#731A10#731A10

#731A10 is a dark, vivid red. Relative luminance 0.044; OKLCH L 36.8% C 0.125 H 30.3°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#731A10
RGB	rgb(115, 26, 16)
HSL	hsl(6, 76%, 26%)
HSV	hsv(6, 86%, 45%)
CMYK	cmyk(0%, 77.4%, 86.1%, 54.9%)
CIE-LAB	lab(25.02, 37.97, 29.59)
CIE-LCH	lch(25.02, 48.14, 37.93°)
OKLab	oklab(36.82% 0.1077 0.063)
OKLCH	oklch(36.82% 0.125 30.3)
XYZ	xyz(7.5341, 4.4222, 0.9470)
Luminance	0.0442 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731A10 #106973

analogous

#731037 #731A10 #734B10

triadic

#731A10 #10731A #1A1073

tetradic

#731A10 #377310 #106973 #4B1073

square

#731A10 #377310 #106973 #4B1073

split-complementary

#731A10 #10734B #103773

monochromatic

#1B0604 #3D0E09 #731A10 #A92617 #DE321F

Accessibility & contrast

On white

11.15

#731A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#731A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731A10

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731A10	#FFFFFF	#000000	##FFFFFF
##731A10	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352F0E

Deuteranopia (green-blind)

#4B420B

Tritanopia (blue-blind)

#7F0019

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #731a10;
/* rgb */ color: rgb(115, 26, 16);
/* oklch */ color: oklch(36.8% 0.125 30.3);

Tailwind

colors: {
  custom: {
    50: '#a35e4f',
    500: '#731a10',
    950: '#000000',
  },
}

SCSS

$custom: #731a10;
$custom-light: #a35e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#731a10",
  "rgb": {
    "r": 115,
    "g": 26,
    "b": 16
  },
  "hsl": {
    "h": 6.061,
    "s": 75.573,
    "l": 25.686
  },
  "oklch": {
    "l": 0.3682,
    "c": 0.12474,
    "h": 30.3
  },
  "luminance": 0.04421
}

Semantic roles & 50–950 ramp

primary

#731A10

secondary

#349EAA

accent

#DFF236

background

#FAF5F4

surface

#F5E9E7

border

#CFC5C3

text

#110502

muted

#807978

Preview Lab

Preview with #731A10

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

Preview Lab → · Contrast checker → · Palette generator →