#661A25#661A25

#661A25 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.7% C 0.108 H 16.7°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#661A25
RGB	rgb(102, 26, 37)
HSL	hsl(351, 59%, 25%)
HSV	hsv(351, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 63.7%, 60%)
CIE-LAB	lab(22.65, 34.51, 12.67)
CIE-LCH	lch(22.65, 36.77, 20.17°)
OKLab	oklab(34.66% 0.1032 0.031)
OKLCH	oklch(34.66% 0.108 16.7)
XYZ	xyz(6.1834, 3.6980, 2.1381)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A25 #1A665B

analogous

#661A4B #661A25 #66351A

triadic

#661A25 #25661A #1A2566

tetradic

#661A25 #4B661A #1A665B #351A66

square

#661A25 #4B661A #1A665B #351A66

split-complementary

#661A25 #1A6635 #1A4B66

monochromatic

#180609 #350E13 #661A25 #972637 #C83348

Accessibility & contrast

On white

12.07

#661A25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661A25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A25

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A25	#FFFFFF	#000000	##FFFFFF
##661A25	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2C25

Deuteranopia (green-blind)

#413C23

Tritanopia (blue-blind)

#70061F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a25;
/* rgb */ color: rgb(102, 26, 37);
/* oklch */ color: oklch(34.7% 0.108 16.7);

Tailwind

colors: {
  custom: {
    50: '#975d5f',
    500: '#661a25',
    950: '#000000',
  },
}

SCSS

$custom: #661a25;
$custom-light: #975d5f;
$custom-dark: #000000;

JSON

{
  "hex": "#661a25",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 37
  },
  "hsl": {
    "h": 351.316,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34662,
    "c": 0.10778,
    "h": 16.7
  },
  "luminance": 0.03697
}

Semantic roles & 50–950 ramp

primary

#661A25

secondary

#409C8E

accent

#E3CC45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #661A25

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

Preview Lab → · Contrast checker → · Palette generator →