#51241B#51241B

#51241B is a dark, moderate red. Relative luminance 0.031; OKLCH L 32.1% C 0.070 H 32.7°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#51241B
RGB	rgb(81, 36, 27)
HSL	hsl(10, 50%, 21%)
HSV	hsv(10, 67%, 32%)
CMYK	cmyk(0%, 55.6%, 66.7%, 68.2%)
CIE-LAB	lab(20.40, 20.17, 15.79)
CIE-LCH	lch(20.40, 25.62, 38.05°)
OKLab	oklab(32.15% 0.0587 0.0377)
OKLCH	oklch(32.15% 0.07 32.7)
XYZ	xyz(4.2224, 3.0907, 1.4109)
Luminance	0.0309 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51241B #1B4851

analogous

#511B2D #51241B #513F1B

triadic

#51241B #1B5124 #241B51

tetradic

#51241B #2D511B #1B4851 #3F1B51

square

#51241B #2D511B #1B4851 #3F1B51

split-complementary

#51241B #1B513F #1B2D51

monochromatic

#170A08 #23100C #51241B #7F382A #AD4D3A

Accessibility & contrast

On white

12.98

#51241B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#51241B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #51241B

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51241B	#FFFFFF	#000000	##FFFFFF
##51241B	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2B1A

Deuteranopia (green-blind)

#3A351A

Tritanopia (blue-blind)

#591C22

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #51241b;
/* rgb */ color: rgb(81, 36, 27);
/* oklch */ color: oklch(32.1% 0.070 32.7);

Tailwind

colors: {
  custom: {
    50: '#866057',
    500: '#51241b',
    950: '#000000',
  },
}

SCSS

$custom: #51241b;
$custom-light: #866057;
$custom-dark: #000000;

JSON

{
  "hex": "#51241b",
  "rgb": {
    "r": 81,
    "g": 36,
    "b": 27
  },
  "hsl": {
    "h": 10,
    "s": 50,
    "l": 21.176
  },
  "oklch": {
    "l": 0.32147,
    "c": 0.06981,
    "h": 32.7
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#51241B

secondary

#417B87

accent

#C2DA4E

background

#F8F5F5

surface

#F0E9E9

border

#CBC5C5

text

#0C0503

muted

#7D7978

Preview Lab

Preview with #51241B

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

Preview Lab → · Contrast checker → · Palette generator →