#651B2B#651B2B

#651B2B is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.106 H 11.9°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#651B2B
RGB	rgb(101, 27, 43)
HSL	hsl(347, 58%, 25%)
HSV	hsv(347, 73%, 40%)
CMYK	cmyk(0%, 73.3%, 57.4%, 60.4%)
CIE-LAB	lab(22.74, 34.23, 8.64)
CIE-LCH	lch(22.74, 35.30, 14.16°)
OKLab	oklab(34.74% 0.1035 0.0218)
OKLCH	oklch(34.74% 0.106 11.9)
XYZ	xyz(6.1954, 3.7258, 2.6779)
Luminance	0.0372 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#651B2B #1B6555

analogous

#651B50 #651B2B #65301B

triadic

#651B2B #2B651B #1B2B65

tetradic

#651B2B #50651B #1B6555 #301B65

square

#651B2B #50651B #1B6555 #301B65

split-complementary

#651B2B #1B6530 #1B5065

monochromatic

#18060A #350E16 #651B2B #952840 #C63554

Accessibility & contrast

On white

12.03

#651B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#651B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #651B2B

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##651B2B	#FFFFFF	#000000	##FFFFFF
##651B2B	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D2D2B

Deuteranopia (green-blind)

#403C29

Tritanopia (blue-blind)

#6F0C21

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #651b2b;
/* rgb */ color: rgb(101, 27, 43);
/* oklch */ color: oklch(34.7% 0.106 11.9);

Tailwind

colors: {
  custom: {
    50: '#965d64',
    500: '#651b2b',
    950: '#000000',
  },
}

SCSS

$custom: #651b2b;
$custom-light: #965d64;
$custom-dark: #000000;

JSON

{
  "hex": "#651b2b",
  "rgb": {
    "r": 101,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 347.027,
    "s": 57.813,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34742,
    "c": 0.10577,
    "h": 11.9
  },
  "luminance": 0.03725
}

Semantic roles & 50–950 ramp

primary

#651B2B

secondary

#419A87

accent

#E1C047

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #651B2B

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

Preview Lab → · Contrast checker → · Palette generator →