#661F2B#661F2B

#661F2B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.102 H 14.0°. Best body text is #FFFFFF at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#661F2B
RGB	rgb(102, 31, 43)
HSL	hsl(350, 53%, 26%)
HSV	hsv(350, 70%, 40%)
CMYK	cmyk(0%, 69.6%, 57.8%, 60%)
CIE-LAB	lab(23.61, 32.77, 9.85)
CIE-LCH	lch(23.61, 34.22, 16.73°)
OKLab	oklab(35.42% 0.0987 0.0247)
OKLCH	oklch(35.42% 0.102 14)
XYZ	xyz(6.4061, 3.9800, 2.7159)
Luminance	0.0398 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F2B #1F665A

analogous

#661F4E #661F2B #66361F

triadic

#661F2B #2B661F #1F2B66

tetradic

#661F2B #4E661F #1F665A #361F66

square

#661F2B #4E661F #1F665A #361F66

split-complementary

#661F2B #1F6636 #1F4E66

monochromatic

#17070A #371117 #661F2B #952D3F #C43C53

Accessibility & contrast

On white

11.69

#661F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#661F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F2B

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F2B	#FFFFFF	#000000	##FFFFFF
##661F2B	1.00	11.69	1.80	11.69
#FFFFFF	11.69	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302F2B

Deuteranopia (green-blind)

#423E29

Tritanopia (blue-blind)

#701224

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661f2b;
/* rgb */ color: rgb(102, 31, 43);
/* oklch */ color: oklch(35.4% 0.102 14.0);

Tailwind

colors: {
  custom: {
    50: '#965f64',
    500: '#661f2b',
    950: '#000000',
  },
}

SCSS

$custom: #661f2b;
$custom-light: #965f64;
$custom-dark: #000000;

JSON

{
  "hex": "#661f2b",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 43
  },
  "hsl": {
    "h": 349.859,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35421,
    "c": 0.10177,
    "h": 14
  },
  "luminance": 0.03979
}

Semantic roles & 50–950 ramp

primary

#661F2B

secondary

#469A8C

accent

#DDC44B

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #661F2B

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

Preview Lab → · Contrast checker → · Palette generator →