#A9251B#A9251B

#A9251B is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.170 H 29.3°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#A9251B
RGB	rgb(169, 37, 27)
HSL	hsl(4, 72%, 38%)
HSV	hsv(4, 84%, 66%)
CMYK	cmyk(0%, 78.1%, 84%, 33.7%)
CIE-LAB	lab(37.55, 52.11, 39.31)
CIE-LCH	lch(37.55, 65.27, 37.03°)
OKLab	oklab(48.17% 0.148 0.083)
OKLCH	oklch(48.17% 0.17 29.3)
XYZ	xyz(17.2237, 9.8401, 2.0291)
Luminance	0.0984 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9251B #1B9FA9

analogous

#A91B58 #A9251B #A96C1B

triadic

#A9251B #1BA925 #251BA9

tetradic

#A9251B #58A91B #1B9FA9 #6C1BA9

square

#A9251B #58A91B #1B9FA9 #6C1BA9

split-complementary

#A9251B #1BA96C #1B58A9

monochromatic

#3F0E0A #741913 #A9251B #DC3225 #E5645A

Accessibility & contrast

On white

7.08

#A9251B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A9251B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A9251B

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9251B	#FFFFFF	#000000	##FFFFFF
##A9251B	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4618

Deuteranopia (green-blind)

#6F6313

Tritanopia (blue-blind)

#BB0024

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a9251b;
/* rgb */ color: rgb(169, 37, 27);
/* oklch */ color: oklch(48.2% 0.170 29.3);

Tailwind

colors: {
  custom: {
    50: '#cc6b59',
    500: '#a9251b',
    950: '#000000',
  },
}

SCSS

$custom: #a9251b;
$custom-light: #cc6b59;
$custom-dark: #000000;

JSON

{
  "hex": "#a9251b",
  "rgb": {
    "r": 169,
    "g": 37,
    "b": 27
  },
  "hsl": {
    "h": 4.225,
    "s": 72.449,
    "l": 38.431
  },
  "oklch": {
    "l": 0.48173,
    "c": 0.16972,
    "h": 29.3
  },
  "luminance": 0.09837
}

Semantic roles & 50–950 ramp

primary

#A9251B

secondary

#58C0C8

accent

#E2EF39

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A9251B

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

Preview Lab → · Contrast checker → · Palette generator →