#731E15#731E15

#731E15 is a dark, vivid red. Relative luminance 0.046; OKLCH L 37.3% C 0.120 H 29.8°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#731E15
RGB	rgb(115, 30, 21)
HSL	hsl(6, 69%, 27%)
HSV	hsv(6, 82%, 45%)
CMYK	cmyk(0%, 73.9%, 81.7%, 54.9%)
CIE-LAB	lab(25.65, 36.55, 27.32)
CIE-LCH	lch(25.65, 45.63, 36.77°)
OKLab	oklab(37.31% 0.1043 0.0598)
OKLCH	oklch(37.31% 0.12 29.8)
XYZ	xyz(7.6708, 4.6287, 1.1988)
Luminance	0.0463 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#731E15 #156A73

analogous

#73153B #731E15 #734D15

triadic

#731E15 #15731E #1E1573

tetradic

#731E15 #3B7315 #156A73 #4D1573

square

#731E15 #3B7315 #156A73 #4D1573

split-complementary

#731E15 #15734D #153B73

monochromatic

#1A0705 #3F110C #731E15 #A72C1E #D83B2A

Accessibility & contrast

On white

10.91

#731E15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#731E15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #731E15

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##731E15	#FFFFFF	#000000	##FFFFFF
##731E15	1.00	10.91	1.93	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373113

Deuteranopia (green-blind)

#4C4411

Tritanopia (blue-blind)

#7F001D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #731e15;
/* rgb */ color: rgb(115, 30, 21);
/* oklch */ color: oklch(37.3% 0.120 29.8);

Tailwind

colors: {
  custom: {
    50: '#a36053',
    500: '#731e15',
    950: '#000000',
  },
}

SCSS

$custom: #731e15;
$custom-light: #a36053;
$custom-dark: #000000;

JSON

{
  "hex": "#731e15",
  "rgb": {
    "r": 115,
    "g": 30,
    "b": 21
  },
  "hsl": {
    "h": 5.745,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.37306,
    "c": 0.12023,
    "h": 29.8
  },
  "luminance": 0.04628
}

Semantic roles & 50–950 ramp

primary

#731E15

secondary

#3B9EA9

accent

#DBEC3C

background

#FAF5F4

surface

#F4EAE7

border

#CEC6C3

text

#100502

muted

#7F7978

Preview Lab

Preview with #731E15

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

Preview Lab → · Contrast checker → · Palette generator →