#A12B23#A12B23

#A12B23 is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.3% C 0.156 H 28.4°. Best body text is #FFFFFF at 7.28:1 contrast (WCAG AA passes).

Color values

HEX	#A12B23
RGB	rgb(161, 43, 35)
HSL	hsl(4, 64%, 38%)
HSV	hsv(4, 78%, 63%)
CMYK	cmyk(0%, 73.3%, 78.3%, 36.9%)
CIE-LAB	lab(36.80, 47.74, 33.63)
CIE-LCH	lch(36.80, 58.39, 35.16°)
OKLab	oklab(47.35% 0.1369 0.0741)
OKLCH	oklch(47.35% 0.156 28.4)
XYZ	xyz(15.8670, 9.4286, 2.5742)
Luminance	0.0943 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A12B23 #2399A1

analogous

#A1235A #A12B23 #A16A23

triadic

#A12B23 #23A12B #2B23A1

tetradic

#A12B23 #5AA123 #2399A1 #6A23A1

square

#A12B23 #5AA123 #2399A1 #6A23A1

split-complementary

#A12B23 #23A16A #235AA1

monochromatic

#3C100D #6F1E18 #A12B23 #D23A2F #DD6962

Accessibility & contrast

On white

7.28

#A12B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A12B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A12B23

7.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A12B23	#FFFFFF	#000000	##FFFFFF
##A12B23	1.00	7.28	2.89	7.28
#FFFFFF	7.28	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4621

Deuteranopia (green-blind)

#6B601E

Tritanopia (blue-blind)

#B2002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a12b23;
/* rgb */ color: rgb(161, 43, 35);
/* oklch */ color: oklch(47.3% 0.156 28.4);

Tailwind

colors: {
  custom: {
    50: '#c56d5f',
    500: '#a12b23',
    950: '#000000',
  },
}

SCSS

$custom: #a12b23;
$custom-light: #c56d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a12b23",
  "rgb": {
    "r": 161,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.81,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.47349,
    "c": 0.15561,
    "h": 28.4
  },
  "luminance": 0.09426
}

Semantic roles & 50–950 ramp

primary

#A12B23

secondary

#5EBCC2

accent

#DDE741

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A12B23

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

Preview Lab → · Contrast checker → · Palette generator →