#651B1D#651B1D

#651B1D is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.106 H 23.2°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#651B1D
RGB	rgb(101, 27, 29)
HSL	hsl(358, 58%, 25%)
HSV	hsv(358, 73%, 40%)
CMYK	cmyk(0%, 73.3%, 71.3%, 60.4%)
CIE-LAB	lab(22.44, 33.17, 17.81)
CIE-LCH	lch(22.44, 37.65, 28.24°)
OKLab	oklab(34.42% 0.0974 0.0418)
OKLCH	oklch(34.42% 0.106 23.2)
XYZ	xyz(5.9812, 3.6401, 1.5498)
Luminance	0.0364 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#651B1D #1B6563

analogous

#651B42 #651B1D #653E1B

triadic

#651B1D #1D651B #1B1D65

tetradic

#651B1D #42651B #1B6563 #3E1B65

square

#651B1D #42651B #1B6563 #3E1B65

split-complementary

#651B1D #1B653E #1B4265

monochromatic

#180607 #350E0F #651B1D #95282B #C63539

Accessibility & contrast

On white

12.15

#651B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#651B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #651B1D

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##651B1D	#FFFFFF	#000000	##FFFFFF
##651B1D	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2C1C

Deuteranopia (green-blind)

#423B1B

Tritanopia (blue-blind)

#6F061C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #651b1d;
/* rgb */ color: rgb(101, 27, 29);
/* oklch */ color: oklch(34.4% 0.106 23.2);

Tailwind

colors: {
  custom: {
    50: '#975d59',
    500: '#651b1d',
    950: '#000000',
  },
}

SCSS

$custom: #651b1d;
$custom-light: #975d59;
$custom-dark: #000000;

JSON

{
  "hex": "#651b1d",
  "rgb": {
    "r": 101,
    "g": 27,
    "b": 29
  },
  "hsl": {
    "h": 358.378,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34422,
    "c": 0.10594,
    "h": 23.2
  },
  "luminance": 0.03639
}

Semantic roles & 50–950 ramp

primary

#651B1D

secondary

#419A98

accent

#E1DD47

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #651B1D

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

Preview Lab → · Contrast checker → · Palette generator →