#661A24#661A24

#661A24 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.108 H 17.5°. Best body text is #FFFFFF at 12.08:1 contrast (WCAG AA passes).

Color values

HEX	#661A24
RGB	rgb(102, 26, 36)
HSL	hsl(352, 59%, 25%)
HSV	hsv(352, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 64.7%, 60%)
CIE-LAB	lab(22.63, 34.44, 13.33)
CIE-LCH	lch(22.63, 36.93, 21.16°)
OKLab	oklab(34.64% 0.1028 0.0324)
OKLCH	oklch(34.64% 0.108 17.5)
XYZ	xyz(6.1679, 3.6918, 2.0565)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A24 #1A665C

analogous

#661A4A #661A24 #66361A

triadic

#661A24 #24661A #1A2466

tetradic

#661A24 #4A661A #1A665C #361A66

square

#661A24 #4A661A #1A665C #361A66

split-complementary

#661A24 #1A6636 #1A4A66

monochromatic

#180609 #350E13 #661A24 #972635 #C83346

Accessibility & contrast

On white

12.08

#661A24 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661A24 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A24

12.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A24	#FFFFFF	#000000	##FFFFFF
##661A24	1.00	12.08	1.74	12.08
#FFFFFF	12.08	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2C24

Deuteranopia (green-blind)

#423C22

Tritanopia (blue-blind)

#70061E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a24;
/* rgb */ color: rgb(102, 26, 36);
/* oklch */ color: oklch(34.6% 0.108 17.5);

Tailwind

colors: {
  custom: {
    50: '#975d5e',
    500: '#661a24',
    950: '#000000',
  },
}

SCSS

$custom: #661a24;
$custom-light: #975d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#661a24",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 36
  },
  "hsl": {
    "h": 352.105,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34639,
    "c": 0.10778,
    "h": 17.5
  },
  "luminance": 0.03691
}

Semantic roles & 50–950 ramp

primary

#661A24

secondary

#409C90

accent

#E3CE45

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #661A24

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

Preview Lab → · Contrast checker → · Palette generator →