#311903#311903

#311903 is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.2% C 0.051 H 60.5°. Best body text is #FFFFFF at 16.52:1 contrast (WCAG AA passes).

Color values

HEX	#311903
RGB	rgb(49, 25, 3)
HSL	hsl(29, 88%, 10%)
HSV	hsv(29, 94%, 19%)
CMYK	cmyk(0%, 49%, 93.9%, 80.8%)
CIE-LAB	lab(11.65, 9.76, 16.35)
CIE-LCH	lch(11.65, 19.04, 59.17°)
OKLab	oklab(24.2% 0.0253 0.0447)
OKLCH	oklch(24.2% 0.051 60.5)
XYZ	xyz(1.6308, 1.3550, 0.2618)
Luminance	0.0135 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311903 #031B31

analogous

#310304 #311903 #313003

triadic

#311903 #033119 #190331

tetradic

#311903 #043103 #031B31 #300331

square

#311903 #043103 #031B31 #300331

split-complementary

#311903 #033130 #030431

monochromatic

#1D0F02 #1D0F02 #311903 #6B3607 #A4540A

Accessibility & contrast

On white

16.52

#311903 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#311903 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311903

16.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311903	#FFFFFF	#000000	##FFFFFF
##311903	1.00	16.52	1.27	16.52
#FFFFFF	16.52	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B01

Deuteranopia (green-blind)

#262103

Tritanopia (blue-blind)

#371414

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #311903;
/* rgb */ color: rgb(49, 25, 3);
/* oklch */ color: oklch(24.2% 0.051 60.5);

Tailwind

colors: {
  custom: {
    50: '#6b5548',
    500: '#311903',
    950: '#000000',
  },
}

SCSS

$custom: #311903;
$custom-light: #6b5548;
$custom-dark: #000000;

JSON

{
  "hex": "#311903",
  "rgb": {
    "r": 49,
    "g": 25,
    "b": 3
  },
  "hsl": {
    "h": 28.696,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.242,
    "c": 0.05141,
    "h": 60.5
  },
  "luminance": 0.01355
}

Semantic roles & 50–950 ramp

primary

#311903

secondary

#1B4A74

accent

#99FF29

background

#F6F5F4

surface

#EBE8E6

border

#C6C4C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311903

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

Preview Lab → · Contrast checker → · Palette generator →