#661F25#661F25

#661F25 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.3% C 0.102 H 19.2°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#661F25
RGB	rgb(102, 31, 37)
HSL	hsl(355, 53%, 26%)
HSV	hsv(355, 70%, 40%)
CMYK	cmyk(0%, 69.6%, 63.7%, 60%)
CIE-LAB	lab(23.47, 32.27, 13.76)
CIE-LCH	lch(23.47, 35.08, 23.09°)
OKLab	oklab(35.28% 0.0961 0.0335)
OKLCH	oklch(35.28% 0.102 19.2)
XYZ	xyz(6.3040, 3.9392, 2.1783)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661F25 #1F6660

analogous

#661F48 #661F25 #663C1F

triadic

#661F25 #25661F #1F2566

tetradic

#661F25 #48661F #1F6660 #3C1F66

square

#661F25 #48661F #1F6660 #3C1F66

split-complementary

#661F25 #1F663C #1F4866

monochromatic

#170709 #371114 #661F25 #952D36 #C43C47

Accessibility & contrast

On white

11.75

#661F25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#661F25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661F25

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661F25	#FFFFFF	#000000	##FFFFFF
##661F25	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312E25

Deuteranopia (green-blind)

#433D23

Tritanopia (blue-blind)

#701022

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661f25;
/* rgb */ color: rgb(102, 31, 37);
/* oklch */ color: oklch(35.3% 0.102 19.2);

Tailwind

colors: {
  custom: {
    50: '#975f5f',
    500: '#661f25',
    950: '#000000',
  },
}

SCSS

$custom: #661f25;
$custom-light: #975f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#661f25",
  "rgb": {
    "r": 102,
    "g": 31,
    "b": 37
  },
  "hsl": {
    "h": 354.93,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35275,
    "c": 0.10174,
    "h": 19.2
  },
  "luminance": 0.03938
}

Semantic roles & 50–950 ramp

primary

#661F25

secondary

#469A93

accent

#DDD04B

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0504

muted

#7E7979

Preview Lab

Preview with #661F25

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

Preview Lab → · Contrast checker → · Palette generator →