#661F22#661F22

#661F22 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.102 H 21.7°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#661F22
RGB	rgb(102, 31, 34)
HSL	hsl(357, 53%, 26%)
HSV	hsv(357, 70%, 40%)
CMYK	cmyk(0%, 69.6%, 66.7%, 60%)
CIE-LAB	lab(23.41, 32.04, 15.71)
CIE-LCH	lch(23.41, 35.69, 26.11°)
OKLab	oklab(35.21% 0.0948 0.0377)
OKLCH	oklch(35.21% 0.102 21.7)
XYZ	xyz(6.2588, 3.9211, 1.9403)
Luminance	0.0392 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F22 #1F6663

analogous

#661F45 #661F22 #663F1F

triadic

#661F22 #22661F #1F2266

tetradic

#661F22 #45661F #1F6663 #3F1F66

square

#661F22 #45661F #1F6663 #3F1F66

split-complementary

#661F22 #1F663F #1F4566

monochromatic

#170708 #371112 #661F22 #952D32 #C43C41

Accessibility & contrast

On white

11.77

#661F22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#661F22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F22

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F22	#FFFFFF	#000000	##FFFFFF
##661F22	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E22

Deuteranopia (green-blind)

#433D20

Tritanopia (blue-blind)

#700F21

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661f22;
/* rgb */ color: rgb(102, 31, 34);
/* oklch */ color: oklch(35.2% 0.102 21.7);

Tailwind

colors: {
  custom: {
    50: '#975f5d',
    500: '#661f22',
    950: '#000000',
  },
}

SCSS

$custom: #661f22;
$custom-light: #975f5d;
$custom-dark: #000000;

JSON

{
  "hex": "#661f22",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 34
  },
  "hsl": {
    "h": 357.465,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35211,
    "c": 0.10196,
    "h": 21.7
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#661F22

secondary

#469A97

accent

#DDD74B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #661F22

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

Preview Lab → · Contrast checker → · Palette generator →