Named color · #223399
North Star Blue
North Star Blue is #223399: rgb(34 51 153), hsl(231 64% 37%), oklch(0.381 0.166 269.2). See tints, shades, harmonies, WCAG & APCA contrast, and CSS, Tailwind v4 & SCSS code.
What does Blue mean? → · North Star Blue color name →
#223399
oklch(0.381 0.166 269.2)
Color conversions
- HEX
- #223399
- RGB
- rgb(34 51 153)
- HSL
- hsl(231 64% 37%)
- HWB
- hwb(231 13% 40%)
- OKLCH
- oklch(0.381 0.166 269.2)
- OKLab
- oklab(0.381 -0.002 -0.166)
- CIE Lab
- lab(25.74 23.87 -58.85)
- LCH
- lch(25.74 63.51 292.1)
- CMYK
- cmyk(78% 67% 0% 40%)
Tints · Shades · Tones
Tints
- 3349A5
- 465EB0
- 5B72BB
- 7086C5
- 869AD0
- 9DAEDA
- B5C2E4
- CDD6ED
- E6EAF6
Shades
- 1C2B84
- 162370
- 111C5D
- 0B144A
- 070D38
- 030727
- 010317
- 000108
- 000001
Tones
- 293D98
- 324696
- 3A4F94
- 445692
- 4D5E90
- 57658D
- 616C8B
- 6B7387
- 767A84
Color harmonies
Complementary +180°
- 223399
North Star Blue
- 534000
≈ Roman Bronze
Analogous -30° +30°
- 223399
North Star Blue
- 00486B
≈ Adriatic
- 52208C
≈ American Violet
Triadic +120° +240°
- 223399
North Star Blue
- 820000
≈ Salami
- 00511F
≈ Mysterious Mixture
Split-complementary +150° +210°
- 223399
North Star Blue
- 653400
≈ Beasty Brown
- 3E4900
≈ No Emissions Green
Tetradic +90° +180° +270°
- 223399
North Star Blue
- 7C0040
≈ Wine
- 534000
≈ Roman Bronze
- 004E43
≈ Fjord Green
Contrast & accessibility
Ag
AAAOn white
WCAG 10.49:1 · APCA Lc 94
Ag
FailOn black
WCAG 2.00:1 · APCA Lc 9
Best text color: #FFFFFF
WCAG 10.49:1 (AAA) · APCA Lc 94
Contrast pairs
Code snippets
CSS
:root {
--north-star-blue: #223399;
--north-star-blue-rgb: 34 51 153;
--north-star-blue-oklch: oklch(0.381 0.166 269.2);
}
.element {
color: var(--north-star-blue);
background-color: hsl(231 64% 37%);
border-color: oklch(0.381 0.166 269.2);
}Tailwind CSS v4
@theme {
--color-north-star-blue: #223399;
--color-north-star-blue-50: #e3f3ff;
--color-north-star-blue-100: #d3e6ff;
--color-north-star-blue-200: #bad1ff;
--color-north-star-blue-300: #98b2ff;
--color-north-star-blue-400: #7797ff;
--color-north-star-blue-500: #5b7bf3;
--color-north-star-blue-600: #4d68cd;
--color-north-star-blue-700: #3d53a5;
--color-north-star-blue-800: #293d7b;
--color-north-star-blue-900: #1b2a57;
--color-north-star-blue-950: #0c173b;
}SCSS
$north-star-blue: #223399;
$north-star-blue-rgb: 34, 51, 153;
$north-star-blue-light: mix(#fff, $north-star-blue, 20%);
$north-star-blue-dark: mix(#000, $north-star-blue, 20%);
.element {
color: $north-star-blue;
box-shadow: 0 0 0 2px rgba($north-star-blue, 0.35);
}