#311B09#311B09

#311B09 is a very dark, muted orange. Relative luminance 0.015; OKLCH L 24.8% C 0.045 H 57.7°. Best body text is #FFFFFF at 16.26:1 contrast (WCAG AA passes).

Color values

HEX#311B09
RGBrgb(49, 27, 9)
HSLhsl(27, 69%, 11%)
HSVhsv(27, 82%, 19%)
CMYKcmyk(0%, 44.9%, 81.6%, 80.8%)
CIE-LABlab(12.33, 8.85, 14.83)
CIE-LCHlch(12.33, 17.27, 59.16°)
OKLaboklab(24.75% 0.0242 0.0383)
OKLCHoklch(24.75% 0.045 57.7)
XYZxyz(1.7080, 1.4567, 0.4496)
Luminance0.0146 (WCAG relative)
Temperaturewarm
Familyorange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#311B09 #091F31
analogous
#31090B #311B09 #312F09
triadic
#311B09 #09311B #1B0931
tetradic
#311B09 #0B3109 #091F31 #2F0931
square
#311B09 #0B3109 #091F31 #2F0931
split-complementary
#311B09 #09312F #090B31
monochromatic
#1A0E05 #1A0E05 #311B09 #653712 #98541C

Accessibility & contrast

On white

16.26
#311B09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#311B09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B09
16.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##311B09#FFFFFF#000000##FFFFFF
##311B091.0016.261.2916.26
#FFFFFF16.261.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.261.0021.001.00

Color blindness preview

Protanopia (red-blind)
#221D07
Deuteranopia (green-blind)
#272209
Tritanopia (blue-blind)
#361617
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #311b09;
/* rgb */ color: rgb(49, 27, 9);
/* oklch */ color: oklch(24.8% 0.045 57.7);
Tailwind
colors: {
  custom: {
    50: '#6b574a',
    500: '#311b09',
    950: '#000000',
  },
}
SCSS
$custom: #311b09;
$custom-light: #6b574a;
$custom-dark: #000000;
JSON
{
  "hex": "#311b09",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 9
  },
  "hsl": {
    "h": 27,
    "s": 68.966,
    "l": 11.373
  },
  "oklch": {
    "l": 0.2475,
    "c": 0.04524,
    "h": 57.7
  },
  "luminance": 0.01457
}

Semantic roles & 50–950 ramp

primary
#311B09
secondary
#274F6F
accent
#9DEC3C
background
#F6F5F4
surface
#EBE9E7
border
#C6C5C3
text
#070301
muted
#7A7877

Preview Lab

Preview with #311B09

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

Preview Lab → · Contrast checker → · Palette generator →

#311B09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva