#490C0A#490C0A

#490C0A is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.8% C 0.091 H 27.3°. Best body text is #FFFFFF at 15.67:1 contrast (WCAG AA passes).

Color values

HEX#490C0A
RGBrgb(73, 12, 10)
HSLhsl(2, 76%, 16%)
HSVhsv(2, 86%, 29%)
CMYKcmyk(0%, 83.6%, 86.3%, 71.4%)
CIE-LABlab(13.84, 28.24, 17.26)
CIE-LCHlch(13.84, 33.10, 31.43°)
OKLaboklab(26.81% 0.0811 0.0419)
OKLCHoklch(26.81% 0.091 27.3)
XYZxyz(2.9343, 1.7018, 0.4611)
Luminance0.0170 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#490C0A #0A4749
analogous
#490A28 #490C0A #492C0A
triadic
#490C0A #0A490C #0C0A49
tetradic
#490C0A #28490A #0A4749 #2C0A49
square
#490C0A #28490A #0A4749 #2C0A49
split-complementary
#490C0A #0A492C #0A2849
monochromatic
#1B0404 #1B0404 #490C0A #7F1511 #B51E19

Accessibility & contrast

On white

15.67
#490C0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.34
#490C0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #490C0A
15.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##490C0A#FFFFFF#000000##FFFFFF
##490C0A1.0015.671.3415.67
#FFFFFF15.671.0021.001.00
#0000001.3421.001.0021.00
##FFFFFF15.671.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F1B09
Deuteranopia (green-blind)
#2E2808
Tritanopia (blue-blind)
#51000C
Achromatopsia (no color)
#232323

Design tokens & code

CSS
--color: #490c0a;
/* rgb */ color: rgb(73, 12, 10);
/* oklch */ color: oklch(26.8% 0.091 27.3);
Tailwind
colors: {
  custom: {
    50: '#82514b',
    500: '#490c0a',
    950: '#000000',
  },
}
SCSS
$custom: #490c0a;
$custom-light: #82514b;
$custom-dark: #000000;
JSON
{
  "hex": "#490c0a",
  "rgb": {
    "r": 73,
    "g": 12,
    "b": 10
  },
  "hsl": {
    "h": 1.905,
    "s": 75.904,
    "l": 16.275
  },
  "oklch": {
    "l": 0.2681,
    "c": 0.09133,
    "h": 27.3
  },
  "luminance": 0.01701
}

Semantic roles & 50–950 ramp

primary
#490C0A
secondary
#298386
accent
#ECF235
background
#F8F4F4
surface
#F0E7E7
border
#CBC3C3
text
#0B0201
muted
#7C7877

Preview Lab

Preview with #490C0A

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

Preview Lab → · Contrast checker → · Palette generator →

#490C0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva