#A7251C#A7251C

#A7251C is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.8% C 0.168 H 29.0°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#A7251C
RGB	rgb(167, 37, 28)
HSL	hsl(4, 71%, 38%)
HSV	hsv(4, 83%, 65%)
CMYK	cmyk(0%, 77.8%, 83.2%, 34.5%)
CIE-LAB	lab(37.16, 51.51, 38.27)
CIE-LCH	lch(37.16, 64.17, 36.61°)
OKLab	oklab(47.81% 0.1466 0.0813)
OKLCH	oklch(47.81% 0.168 29)
XYZ	xyz(16.8096, 9.6252, 2.0711)
Luminance	0.0962 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7251C #1C9EA7

analogous

#A71C58 #A7251C #A76A1C

triadic

#A7251C #1CA725 #251CA7

tetradic

#A7251C #58A71C #1C9EA7 #6A1CA7

square

#A7251C #58A71C #1C9EA7 #6A1CA7

split-complementary

#A7251C #1CA76A #1C58A7

monochromatic

#3E0E0A #731913 #A7251C #DB3126 #E3635A

Accessibility & contrast

On white

7.18

#A7251C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#A7251C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7251C

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7251C	#FFFFFF	#000000	##FFFFFF
##A7251C	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4519

Deuteranopia (green-blind)

#6E6215

Tritanopia (blue-blind)

#B80025

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a7251c;
/* rgb */ color: rgb(167, 37, 28);
/* oklch */ color: oklch(47.8% 0.168 29.0);

Tailwind

colors: {
  custom: {
    50: '#cb6b5a',
    500: '#a7251c',
    950: '#000000',
  },
}

SCSS

$custom: #a7251c;
$custom-light: #cb6b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#a7251c",
  "rgb": {
    "r": 167,
    "g": 37,
    "b": 28
  },
  "hsl": {
    "h": 3.885,
    "s": 71.282,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47812,
    "c": 0.16763,
    "h": 29
  },
  "luminance": 0.09622
}

Semantic roles & 50–950 ramp

primary

#A7251C

secondary

#58C0C7

accent

#E2EE3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A7251C

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

Preview Lab → · Contrast checker → · Palette generator →