#210B03#210B03

#210B03 is a very dark, muted orange. Relative luminance 0.006; OKLCH L 18.3% C 0.042 H 44.3°. Best body text is #FFFFFF at 18.85:1 contrast (WCAG AA passes).

Color values

HEX#210B03
RGBrgb(33, 11, 3)
HSLhsl(16, 83%, 7%)
HSVhsv(16, 91%, 13%)
CMYKcmyk(0%, 66.7%, 90.9%, 87.1%)
CIE-LABlab(5.14, 9.11, 6.64)
CIE-LCHlch(5.14, 11.27, 36.09°)
OKLaboklab(18.26% 0.0301 0.0294)
OKLCHoklch(18.26% 0.042 44.3)
XYZxyz(0.7634, 0.5693, 0.1558)
Luminance0.0057 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#210B03 #031921
analogous
#21030A #210B03 #211A03
triadic
#210B03 #03210B #0B0321
tetradic
#210B03 #0A2103 #031921 #1A0321
square
#210B03 #0A2103 #031921 #1A0321
split-complementary
#210B03 #03211A #030A21
monochromatic
#1C0903 #1C0903 #210B03 #591E08 #91300D

Accessibility & contrast

On white

18.85
#210B03 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.11
#210B03 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #210B03
18.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##210B03#FFFFFF#000000##FFFFFF
##210B031.0018.851.1118.85
#FFFFFF18.851.0021.001.00
#0000001.1121.001.0021.00
##FFFFFF18.851.0021.001.00

Color blindness preview

Protanopia (red-blind)
#110E02
Deuteranopia (green-blind)
#161303
Tritanopia (blue-blind)
#250709
Achromatopsia (no color)
#111111

Design tokens & code

CSS
--color: #210b03;
/* rgb */ color: rgb(33, 11, 3);
/* oklch */ color: oklch(18.3% 0.042 44.3);
Tailwind
colors: {
  custom: {
    50: '#5c4b48',
    500: '#210b03',
    950: '#000000',
  },
}
SCSS
$custom: #210b03;
$custom-light: #5c4b48;
$custom-dark: #000000;
JSON
{
  "hex": "#210b03",
  "rgb": {
    "r": 33,
    "g": 11,
    "b": 3
  },
  "hsl": {
    "h": 16,
    "s": 83.333,
    "l": 7.059
  },
  "oklch": {
    "l": 0.18263,
    "c": 0.04212,
    "h": 44.3
  },
  "luminance": 0.00569
}

Semantic roles & 50–950 ramp

primary
#210B03
secondary
#1B5165
accent
#C3FA2E
background
#F5F4F4
surface
#E9E7E6
border
#C5C3C2
text
#040100
muted
#797777

Preview Lab

Preview with #210B03

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

Preview Lab → · Contrast checker → · Palette generator →

#210B03 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva