#A01923#A01923

#A01923 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.168 H 24.1°. Best body text is #FFFFFF at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#A01923
RGB	rgb(160, 25, 35)
HSL	hsl(356, 73%, 36%)
HSV	hsv(356, 84%, 63%)
CMYK	cmyk(0%, 84.4%, 78.1%, 37.3%)
CIE-LAB	lab(34.59, 53.06, 31.20)
CIE-LCH	lch(34.59, 61.55, 30.45°)
OKLab	oklab(45.67% 0.1538 0.0688)
OKLCH	oklch(45.67% 0.168 24.1)
XYZ	xyz(15.1501, 8.2927, 2.3927)
Luminance	0.0829 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01923 #19A096

analogous

#A01967 #A01923 #A05319

triadic

#A01923 #23A019 #1923A0

tetradic

#A01923 #67A019 #19A096 #5319A0

square

#A01923 #67A019 #19A096 #5319A0

split-complementary

#A01923 #19A053 #1967A0

monochromatic

#36080C #6B1117 #A01923 #D5212F #E4505B

Accessibility & contrast

On white

7.90

#A01923 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01923 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01923

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01923	#FFFFFF	#000000	##FFFFFF
##A01923	1.00	7.90	2.66	7.90
#FFFFFF	7.90	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453F22

Deuteranopia (green-blind)

#665B1D

Tritanopia (blue-blind)

#B1001F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01923;
/* rgb */ color: rgb(160, 25, 35);
/* oklch */ color: oklch(45.7% 0.168 24.1);

Tailwind

colors: {
  custom: {
    50: '#c5665e',
    500: '#a01923',
    950: '#000000',
  },
}

SCSS

$custom: #a01923;
$custom-light: #c5665e;
$custom-dark: #000000;

JSON

{
  "hex": "#a01923",
  "rgb": {
    "r": 160,
    "g": 25,
    "b": 35
  },
  "hsl": {
    "h": 355.556,
    "s": 72.973,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45668,
    "c": 0.16849,
    "h": 24.1
  },
  "luminance": 0.0829
}

Semantic roles & 50–950 ramp

primary

#A01923

secondary

#4FC6BD

accent

#F0E238

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01923

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →