#661E25#661E25

#661E25 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.103 H 18.7°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX#661E25
RGBrgb(102, 30, 37)
HSLhsl(354, 55%, 26%)
HSVhsv(354, 71%, 40%)
CMYKcmyk(0%, 70.6%, 63.7%, 60%)
CIE-LABlab(23.30, 32.73, 13.53)
CIE-LCHlch(23.30, 35.42, 22.46°)
OKLaboklab(35.15% 0.0976 0.033)
OKLCHoklch(35.15% 0.103 18.7)
XYZxyz(6.2783, 3.8878, 2.1697)
Luminance0.0389 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661E25 #1E665F
analogous
#661E49 #661E25 #663B1E
triadic
#661E25 #25661E #1E2566
tetradic
#661E25 #49661E #1E665F #3B1E66
square
#661E25 #49661E #1E665F #3B1E66
split-complementary
#661E25 #1E663B #1E4966
monochromatic
#180709 #371014 #661E25 #952C36 #C53A47

Accessibility & contrast

On white

11.82
#661E25 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.78
#661E25 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661E25
11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661E25#FFFFFF#000000##FFFFFF
##661E251.0011.821.7811.82
#FFFFFF11.821.0021.001.00
#0000001.7821.001.0021.00
##FFFFFF11.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302E25
Deuteranopia (green-blind)
#433D23
Tritanopia (blue-blind)
#700E21
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #661e25;
/* rgb */ color: rgb(102, 30, 37);
/* oklch */ color: oklch(35.1% 0.103 18.7);
Tailwind
colors: {
  custom: {
    50: '#975f5f',
    500: '#661e25',
    950: '#000000',
  },
}
SCSS
$custom: #661e25;
$custom-light: #975f5f;
$custom-dark: #000000;
JSON
{
  "hex": "#661e25",
  "rgb": {
    "r": 102,
    "g": 30,
    "b": 37
  },
  "hsl": {
    "h": 354.167,
    "s": 54.545,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35147,
    "c": 0.10298,
    "h": 18.7
  },
  "luminance": 0.03887
}

Semantic roles & 50–950 ramp

primary
#661E25
secondary
#459B92
accent
#DED04A
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0504
muted
#7E7979

Preview Lab

Preview with #661E25

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

Preview Lab → · Contrast checker → · Palette generator →

#661E25 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva