#311B05#311B05

#311B05 is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.7% C 0.049 H 62.8°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#311B05
RGB	rgb(49, 27, 5)
HSL	hsl(30, 81%, 11%)
HSV	hsv(30, 90%, 19%)
CMYK	cmyk(0%, 44.9%, 89.8%, 80.8%)
CIE-LAB	lab(12.27, 8.53, 16.38)
CIE-LCH	lch(12.27, 18.47, 62.48°)
OKLab	oklab(24.69% 0.0223 0.0432)
OKLCH	oklch(24.69% 0.049 62.8)
XYZ	xyz(1.6861, 1.4480, 0.3342)
Luminance	0.0145 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B05 #051B31

analogous

#310505 #311B05 #313105

triadic

#311B05 #05311B #1B0531

tetradic

#311B05 #053105 #051B31 #310531

square

#311B05 #053105 #051B31 #310531

split-complementary

#311B05 #053131 #050531

monochromatic

#1C0F03 #1C0F03 #311B05 #693A0B #A05810

Accessibility & contrast

On white

16.28

#311B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#311B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B05

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B05	#FFFFFF	#000000	##FFFFFF
##311B05	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D03

Deuteranopia (green-blind)

#272205

Tritanopia (blue-blind)

#361616

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #311b05;
/* rgb */ color: rgb(49, 27, 5);
/* oklch */ color: oklch(24.7% 0.049 62.8);

Tailwind

colors: {
  custom: {
    50: '#6b5749',
    500: '#311b05',
    950: '#000000',
  },
}

SCSS

$custom: #311b05;
$custom-light: #6b5749;
$custom-dark: #000000;

JSON

{
  "hex": "#311b05",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 5
  },
  "hsl": {
    "h": 30,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.24688,
    "c": 0.04863,
    "h": 62.8
  },
  "luminance": 0.01448
}

Semantic roles & 50–950 ramp

primary

#311B05

secondary

#1F4972

accent

#94F830

background

#F6F5F4

surface

#EBE9E6

border

#C6C5C2

text

#070300

muted

#7A7877

Preview Lab

Preview with #311B05

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

Preview Lab → · Contrast checker → · Palette generator →