#311803#311803

#311803 is a very dark, muted orange. Relative luminance 0.013; OKLCH L 24.0% C 0.052 H 58.2°. Best body text is #FFFFFF at 16.63:1 contrast (WCAG AA passes).

Color values

HEX	#311803
RGB	rgb(49, 24, 3)
HSL	hsl(27, 88%, 10%)
HSV	hsv(27, 94%, 19%)
CMYK	cmyk(0%, 51%, 93.9%, 80.8%)
CIE-LAB	lab(11.37, 10.45, 15.95)
CIE-LCH	lch(11.37, 19.07, 56.78°)
OKLab	oklab(23.98% 0.0274 0.0442)
OKLCH	oklch(23.98% 0.052 58.2)
XYZ	xyz(1.6098, 1.3130, 0.2548)
Luminance	0.0131 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311803 #031C31

analogous

#310305 #311803 #312F03

triadic

#311803 #033118 #180331

tetradic

#311803 #053103 #031C31 #2F0331

square

#311803 #053103 #031C31 #2F0331

split-complementary

#311803 #03312F #030531

monochromatic

#1D0E02 #1D0E02 #311803 #6B3407 #A4500A

Accessibility & contrast

On white

16.63

#311803 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#311803 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311803

16.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311803	#FFFFFF	#000000	##FFFFFF
##311803	1.00	16.63	1.26	16.63
#FFFFFF	16.63	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201B01

Deuteranopia (green-blind)

#252003

Tritanopia (blue-blind)

#371213

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #311803;
/* rgb */ color: rgb(49, 24, 3);
/* oklch */ color: oklch(24.0% 0.052 58.2);

Tailwind

colors: {
  custom: {
    50: '#6b5548',
    500: '#311803',
    950: '#000000',
  },
}

SCSS

$custom: #311803;
$custom-light: #6b5548;
$custom-dark: #000000;

JSON

{
  "hex": "#311803",
  "rgb": {
    "r": 49,
    "g": 24,
    "b": 3
  },
  "hsl": {
    "h": 27.391,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.23977,
    "c": 0.05196,
    "h": 58.2
  },
  "luminance": 0.01313
}

Semantic roles & 50–950 ramp

primary

#311803

secondary

#1B4C74

accent

#9DFF29

background

#F6F4F4

surface

#ECE7E6

border

#C7C3C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311803

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

Preview Lab → · Contrast checker → · Palette generator →