#A7231E#A7231E

#A7231E is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.7% C 0.169 H 28.0°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A7231E
RGB	rgb(167, 35, 30)
HSL	hsl(2, 70%, 39%)
HSV	hsv(2, 82%, 65%)
CMYK	cmyk(0%, 79%, 82%, 34.5%)
CIE-LAB	lab(36.96, 52.20, 36.99)
CIE-LCH	lch(36.96, 63.98, 35.32°)
OKLab	oklab(47.67% 0.1491 0.0792)
OKLCH	oklch(47.67% 0.169 28)
XYZ	xyz(16.7738, 9.5140, 2.1812)
Luminance	0.0951 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7231E #1EA2A7

analogous

#A71E5D #A7231E #A7671E

triadic

#A7231E #1EA723 #231EA7

tetradic

#A7231E #5DA71E #1EA2A7 #671EA7

square

#A7231E #5DA71E #1EA2A7 #671EA7

split-complementary

#A7231E #1EA767 #1E5DA7

monochromatic

#3F0D0B #731815 #A7231E #D9302A #E2625D

Accessibility & contrast

On white

7.24

#A7231E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A7231E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7231E

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7231E	#FFFFFF	#000000	##FFFFFF
##A7231E	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D451C

Deuteranopia (green-blind)

#6D6117

Tritanopia (blue-blind)

#B80024

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a7231e;
/* rgb */ color: rgb(167, 35, 30);
/* oklch */ color: oklch(47.7% 0.169 28.0);

Tailwind

colors: {
  custom: {
    50: '#cb6a5b',
    500: '#a7231e',
    950: '#000000',
  },
}

SCSS

$custom: #a7231e;
$custom-light: #cb6a5b;
$custom-dark: #000000;

JSON

{
  "hex": "#a7231e",
  "rgb": {
    "r": 167,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 2.19,
    "s": 69.543,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47665,
    "c": 0.16888,
    "h": 28
  },
  "luminance": 0.09511
}

Semantic roles & 50–950 ramp

primary

#A7231E

secondary

#5BC2C6

accent

#E6EC3B

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A7231E

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

Preview Lab → · Contrast checker → · Palette generator →