#661A15#661A15

#661A15 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.4% C 0.109 H 28.1°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX#661A15
RGBrgb(102, 26, 21)
HSLhsl(4, 66%, 24%)
HSVhsv(4, 79%, 40%)
CMYKcmyk(0%, 74.5%, 79.4%, 60%)
CIE-LABlab(22.37, 33.54, 23.01)
CIE-LCHlch(22.37, 40.68, 34.46°)
OKLaboklab(34.36% 0.0965 0.0515)
OKLCHoklch(34.36% 0.109 28.1)
XYZxyz(5.9849, 3.6186, 1.0926)
Luminance0.0362 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#661A15 #156166
analogous
#661539 #661A15 #664315
triadic
#661A15 #15661A #1A1566
tetradic
#661A15 #396615 #156166 #431566
square
#661A15 #396615 #156166 #431566
split-complementary
#661A15 #156643 #153966
monochromatic
#190605 #330D0B #661A15 #99271F #CC342A

Accessibility & contrast

On white

12.18
#661A15 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#661A15 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #661A15
12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##661A15#FFFFFF#000000##FFFFFF
##661A151.0012.181.7212.18
#FFFFFF12.181.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#302B14
Deuteranopia (green-blind)
#433C12
Tritanopia (blue-blind)
#71011A
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #661a15;
/* rgb */ color: rgb(102, 26, 21);
/* oklch */ color: oklch(34.4% 0.109 28.1);
Tailwind
colors: {
  custom: {
    50: '#985c52',
    500: '#661a15',
    950: '#000000',
  },
}
SCSS
$custom: #661a15;
$custom-light: #985c52;
$custom-dark: #000000;
JSON
{
  "hex": "#661a15",
  "rgb": {
    "r": 102,
    "g": 26,
    "b": 21
  },
  "hsl": {
    "h": 3.704,
    "s": 65.854,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34364,
    "c": 0.10937,
    "h": 28.1
  },
  "luminance": 0.03618
}

Semantic roles & 50–950 ramp

primary
#661A15
secondary
#3A979D
accent
#DEE93F
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0402
muted
#7F7978

Preview Lab

Preview with #661A15

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

Preview Lab → · Contrast checker → · Palette generator →

#661A15 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva