#661610#661610

#661610 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.9% C 0.114 H 28.9°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#661610
RGB	rgb(102, 22, 16)
HSL	hsl(4, 73%, 23%)
HSV	hsv(4, 84%, 40%)
CMYK	cmyk(0%, 78.4%, 84.3%, 60%)
CIE-LAB	lab(21.71, 34.97, 25.35)
CIE-LCH	lch(21.71, 43.19, 35.95°)
OKLab	oklab(33.86% 0.0999 0.0551)
OKLCH	oklch(33.86% 0.114 28.9)
XYZ	xyz(5.8606, 3.4369, 0.8449)
Luminance	0.0344 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#661610 #106066

analogous

#661035 #661610 #664110

triadic

#661610 #106616 #161066

tetradic

#661610 #356610 #106066 #411066

square

#661610 #356610 #106066 #411066

split-complementary

#661610 #106641 #103566

monochromatic

#1A0604 #310B08 #661610 #9B2118 #D02D21

Accessibility & contrast

On white

12.45

#661610 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#661610 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661610

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##661610	#FFFFFF	#000000	##FFFFFF
##661610	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E290E

Deuteranopia (green-blind)

#423A0C

Tritanopia (blue-blind)

#710015

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #661610;
/* rgb */ color: rgb(102, 22, 16);
/* oklch */ color: oklch(33.9% 0.114 28.9);

Tailwind

colors: {
  custom: {
    50: '#995a4f',
    500: '#661610',
    950: '#000000',
  },
}

SCSS

$custom: #661610;
$custom-light: #995a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#661610",
  "rgb": {
    "r": 102,
    "g": 22,
    "b": 16
  },
  "hsl": {
    "h": 4.186,
    "s": 72.881,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33857,
    "c": 0.11406,
    "h": 28.9
  },
  "luminance": 0.03436
}

Semantic roles & 50–950 ramp

primary

#661610

secondary

#33979E

accent

#E3F038

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0402

muted

#7F7978

Preview Lab

Preview with #661610

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

Preview Lab → · Contrast checker → · Palette generator →