#661A23#661A23

#661A23 is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.108 H 18.3°. Best body text is #FFFFFF at 12.09:1 contrast (WCAG AA passes).

Color values

HEX	#661A23
RGB	rgb(102, 26, 35)
HSL	hsl(353, 59%, 25%)
HSV	hsv(353, 75%, 40%)
CMYK	cmyk(0%, 74.5%, 65.7%, 60%)
CIE-LAB	lab(22.60, 34.37, 13.99)
CIE-LCH	lch(22.60, 37.10, 22.15°)
OKLab	oklab(34.62% 0.1023 0.0338)
OKLCH	oklch(34.62% 0.108 18.3)
XYZ	xyz(6.1529, 3.6858, 1.9772)
Luminance	0.0369 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A23 #1A665D

analogous

#661A49 #661A23 #66371A

triadic

#661A23 #23661A #1A2366

tetradic

#661A23 #49661A #1A665D #371A66

square

#661A23 #49661A #1A665D #371A66

split-complementary

#661A23 #1A6637 #1A4966

monochromatic

#180608 #350E12 #661A23 #972634 #C83344

Accessibility & contrast

On white

12.09

#661A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#661A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A23

12.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A23	#FFFFFF	#000000	##FFFFFF
##661A23	1.00	12.09	1.74	12.09
#FFFFFF	12.09	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2C23

Deuteranopia (green-blind)

#423C21

Tritanopia (blue-blind)

#70061E

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #661a23;
/* rgb */ color: rgb(102, 26, 35);
/* oklch */ color: oklch(34.6% 0.108 18.3);

Tailwind

colors: {
  custom: {
    50: '#975d5d',
    500: '#661a23',
    950: '#000000',
  },
}

SCSS

$custom: #661a23;
$custom-light: #975d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#661a23",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 352.895,
    "s": 59.375,
    "l": 25.098
  },
  "oklch": {
    "l": 0.34616,
    "c": 0.10779,
    "h": 18.3
  },
  "luminance": 0.03685
}

Semantic roles & 50–950 ramp

primary

#661A23

secondary

#409C91

accent

#E3D045

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #661A23

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

Preview Lab → · Contrast checker → · Palette generator →