#661E2E#661E2E

#661E2E is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.4% C 0.103 H 10.9°. Best body text is #FFFFFF at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#661E2E
RGB	rgb(102, 30, 46)
HSL	hsl(347, 55%, 26%)
HSV	hsv(347, 71%, 40%)
CMYK	cmyk(0%, 70.6%, 54.9%, 60%)
CIE-LAB	lab(23.51, 33.51, 7.66)
CIE-LCH	lch(23.51, 34.37, 12.88°)
OKLab	oklab(35.38% 0.1015 0.0195)
OKLCH	oklch(35.38% 0.103 10.9)
XYZ	xyz(6.4375, 3.9514, 3.0079)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661E2E #1E6656

analogous

#661E52 #661E2E #66321E

triadic

#661E2E #2E661E #1E2E66

tetradic

#661E2E #52661E #1E6656 #321E66

square

#661E2E #52661E #1E6656 #321E66

split-complementary

#661E2E #1E6632 #1E5266

monochromatic

#18070B #371019 #661E2E #952C43 #C53A59

Accessibility & contrast

On white

11.73

#661E2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#661E2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E2E

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661E2E	#FFFFFF	#000000	##FFFFFF
##661E2E	1.00	11.73	1.79	11.73
#FFFFFF	11.73	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2F2E

Deuteranopia (green-blind)

#423D2C

Tritanopia (blue-blind)

#701124

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #661e2e;
/* rgb */ color: rgb(102, 30, 46);
/* oklch */ color: oklch(35.4% 0.103 10.9);

Tailwind

colors: {
  custom: {
    50: '#965f66',
    500: '#661e2e',
    950: '#000000',
  },
}

SCSS

$custom: #661e2e;
$custom-light: #965f66;
$custom-dark: #000000;

JSON

{
  "hex": "#661e2e",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 46
  },
  "hsl": {
    "h": 346.667,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35375,
    "c": 0.10338,
    "h": 10.9
  },
  "luminance": 0.03951
}

Semantic roles & 50–950 ramp

primary

#661E2E

secondary

#459B88

accent

#DEBD4A

background

#F9F5F6

surface

#F2E9EB

border

#CCC5C6

text

#0E0505

muted

#7E797A

Preview Lab

Preview with #661E2E

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

Preview Lab → · Contrast checker → · Palette generator →