What is the hex code for Heartbeat?

Heartbeat is #AA0000 (oklch(0.463 0.190 29.2) in OKLCH, Lab 35.88 59.64 51.29).

Is Heartbeat readable on white?

Against white, Heartbeat measures 7.75:1 WCAG (AAA) and APCA Lc 84. Against #0F172A: 2.30:1, Fail.

How do I use Heartbeat in Colorise Pro?

Open Heartbeat in the Colorise Pro color picker for harmonies, or seed Studio with #AA0000 to grow a full OKLCH token ramp.

Named color · #AA0000

Heartbeat

#AA0000

oklch(0.463 0.190 29.2)

Lab 35.88 59.64 51.29

HEX

#AA0000

OKLCH

oklch(0.463 0.190 29.2)

CIE Lab

35.88 59.64 51.29

RGB

170 0 0

Open in Picker Open in Studio Check contrast All color codes

Readability

On white

7.75:1 · Lc 84

AAA

On #0F172A

2.30:1 · Lc 17

Fail

Nearest named siblings

Closest dictionary entries by perceptual Lab distance.

About Heartbeat

Heartbeat sits at oklch(0.463 0.190 29.2) in OKLCH — lightness, chroma, and hue expressed perceptually — and #AA0000 in sRGB. Use it as a seed in Colorise Pro Studio to grow a token ramp, or send it to the picker to explore harmonies and scales. Browse more named colors in the color names directory.

FAQ

What is the hex code for Heartbeat?: #AA0000 — also oklch(0.463 0.190 29.2) and Lab 35.88 59.64 51.29.
Can I use Heartbeat for text on white?: On white: 7.75:1 (AAA), APCA Lc 84. On dark ink: 2.30:1 (Fail). Check pairs in the contrast tool.

Named color · #AA0000

Heartbeat

#AA0000

oklch(0.463 0.190 29.2)

Lab 35.88 59.64 51.29

HEX

#AA0000

OKLCH

oklch(0.463 0.190 29.2)

CIE Lab

35.88 59.64 51.29

RGB

170 0 0

Open in Picker Open in Studio Check contrast All color codes

Readability

On white

7.75:1 · Lc 84

AAA

On #0F172A

2.30:1 · Lc 17

Fail

Nearest named siblings

Closest dictionary entries by perceptual Lab distance.

About Heartbeat

FAQ

What is the hex code for Heartbeat?: #AA0000 — also oklch(0.463 0.190 29.2) and Lab 35.88 59.64 51.29.
Can I use Heartbeat for text on white?: On white: 7.75:1 (AAA), APCA Lc 84. On dark ink: 2.30:1 (Fail). Check pairs in the contrast tool.