#661A0F#661A0F

#661A0F is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.3% C 0.110 H 31.3°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#661A0F
RGB	rgb(102, 26, 15)
HSL	hsl(8, 74%, 23%)
HSV	hsv(8, 85%, 40%)
CMYK	cmyk(0%, 74.5%, 85.3%, 60%)
CIE-LAB	lab(22.30, 33.29, 26.52)
CIE-LCH	lch(22.30, 42.56, 38.54°)
OKLab	oklab(34.29% 0.0944 0.0574)
OKLCH	oklch(34.29% 0.11 31.3)
XYZ	xyz(5.9358, 3.5990, 0.8340)
Luminance	0.0360 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661A0F #0F5B66

analogous

#660F2F #661A0F #66450F

triadic

#661A0F #0F661A #1A0F66

tetradic

#661A0F #2F660F #0F5B66 #450F66

square

#661A0F #2F660F #0F5B66 #450F66

split-complementary

#661A0F #0F6645 #0F2F66

monochromatic

#1B0704 #310C07 #661A0F #9B2817 #D1351F

Accessibility & contrast

On white

12.21

#661A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#661A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A0F

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661A0F	#FFFFFF	#000000	##FFFFFF
##661A0F	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302B0D

Deuteranopia (green-blind)

#433B0B

Tritanopia (blue-blind)

#710018

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #661a0f;
/* rgb */ color: rgb(102, 26, 15);
/* oklch */ color: oklch(34.3% 0.110 31.3);

Tailwind

colors: {
  custom: {
    50: '#995c4e',
    500: '#661a0f',
    950: '#000000',
  },
}

SCSS

$custom: #661a0f;
$custom-light: #995c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#661a0f",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 15
  },
  "hsl": {
    "h": 7.586,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3429,
    "c": 0.11046,
    "h": 31.3
  },
  "luminance": 0.03598
}

Semantic roles & 50–950 ramp

primary

#661A0F

secondary

#32919F

accent

#D9F137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #661A0F

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

Preview Lab → · Contrast checker → · Palette generator →