#290B10#290B10

#290B10 is a very dark, muted red. Relative luminance 0.007; OKLCH L 20.2% C 0.050 H 12.6°. Best body text is #FFFFFF at 18.27:1 contrast (WCAG AA passes).

Color values

HEX#290B10
RGBrgb(41, 11, 16)
HSLhsl(350, 58%, 10%)
HSVhsv(350, 73%, 16%)
CMYKcmyk(0%, 73.2%, 61%, 83.9%)
CIE-LABlab(6.76, 15.94, 3.43)
CIE-LCHlch(6.76, 16.30, 12.13°)
OKLaboklab(20.19% 0.0491 0.011)
OKLCHoklch(20.19% 0.05 12.6)
XYZxyz(1.1277, 0.7483, 0.5752)
Luminance0.0075 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#290B10 #0B2924
analogous
#290B1F #290B10 #29150B
triadic
#290B10 #10290B #0B1029
tetradic
#290B10 #1F290B #0B2924 #150B29
square
#290B10 #1F290B #0B2924 #150B29
split-complementary
#290B10 #0B2915 #0B1F29
monochromatic
#180609 #180609 #290B10 #591823 #8A2536

Accessibility & contrast

On white

18.27
#290B10 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.15
#290B10 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290B10
18.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##290B10#FFFFFF#000000##FFFFFF
##290B101.0018.271.1518.27
#FFFFFF18.271.0021.001.00
#0000001.1521.001.0021.00
##FFFFFF18.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#121110
Deuteranopia (green-blind)
#19170F
Tritanopia (blue-blind)
#2D070D
Achromatopsia (no color)
#151515

Design tokens & code

CSS
--color: #290b10;
/* rgb */ color: rgb(41, 11, 16);
/* oklch */ color: oklch(20.2% 0.050 12.6);
Tailwind
colors: {
  custom: {
    50: '#644b4e',
    500: '#290b10',
    950: '#000000',
  },
}
SCSS
$custom: #290b10;
$custom-light: #644b4e;
$custom-dark: #000000;
JSON
{
  "hex": "#290b10",
  "rgb": {
    "r": 41,
    "g": 11,
    "b": 16
  },
  "hsl": {
    "h": 350,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.20192,
    "c": 0.05033,
    "h": 12.6
  },
  "luminance": 0.00748
}

Semantic roles & 50–950 ramp

primary
#290B10
secondary
#2B655B
accent
#E1C747
background
#F6F4F4
surface
#EBE7E7
border
#C6C3C3
text
#060101
muted
#7A7777

Preview Lab

Preview with #290B10

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

Preview Lab → · Contrast checker → · Palette generator →

#290B10 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva