#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
RGBrgb(102, 22, 16)
HSLhsl(4, 73%, 23%)
HSVhsv(4, 84%, 40%)
CMYKcmyk(0%, 78.4%, 84.3%, 60%)
CIE-LABlab(21.71, 34.97, 25.35)
CIE-LCHlch(21.71, 43.19, 35.95°)
OKLaboklab(33.86% 0.0999 0.0551)
OKLCHoklch(33.86% 0.114 28.9)
XYZxyz(5.8606, 3.4369, 0.8449)
Luminance0.0344 (WCAG relative)
Temperaturewarm
Familyred

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
##6616101.0012.451.6912.45
#FFFFFF12.451.0021.001.00
#0000001.6921.001.0021.00
##FFFFFF12.451.0021.001.00

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 →

#661610 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva