#311B01#311B01

#311B01 is a very dark, muted orange. Relative luminance 0.014; OKLCH L 24.6% C 0.053 H 67.5°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#311B01
RGB	rgb(49, 27, 1)
HSL	hsl(33, 96%, 10%)
HSV	hsv(33, 98%, 19%)
CMYK	cmyk(0%, 44.9%, 98%, 80.8%)
CIE-LAB	lab(12.22, 8.21, 17.93)
CIE-LCH	lch(12.22, 19.72, 65.39°)
OKLab	oklab(24.63% 0.0201 0.0487)
OKLCH	oklch(24.63% 0.053 67.5)
XYZ	xyz(1.6642, 1.4392, 0.2189)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#311B01 #011731

analogous

#310301 #311B01 #2F3101

triadic

#311B01 #01311B #1B0131

tetradic

#311B01 #013103 #011731 #31012F

square

#311B01 #013103 #011731 #31012F

split-complementary

#311B01 #012F31 #030131

monochromatic

#1E1101 #1E1101 #311B01 #6D3C02 #A95D03

Accessibility & contrast

On white

16.31

#311B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#311B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #311B01

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##311B01	#FFFFFF	#000000	##FFFFFF
##311B01	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221D00

Deuteranopia (green-blind)

#272201

Tritanopia (blue-blind)

#371616

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #311b01;
/* rgb */ color: rgb(49, 27, 1);
/* oklch */ color: oklch(24.6% 0.053 67.5);

Tailwind

colors: {
  custom: {
    50: '#6b5747',
    500: '#311b01',
    950: '#000000',
  },
}

SCSS

$custom: #311b01;
$custom-light: #6b5747;
$custom-dark: #000000;

JSON

{
  "hex": "#311b01",
  "rgb": {
    "r": 49,
    "g": 27,
    "b": 1
  },
  "hsl": {
    "h": 32.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.24626,
    "c": 0.05265,
    "h": 67.5
  },
  "luminance": 0.01439
}

Semantic roles & 50–950 ramp

primary

#311B01

secondary

#174377

accent

#8BFF29

background

#F6F5F3

surface

#EBE9E5

border

#C6C5C1

text

#070300

muted

#7A7877

Preview Lab

Preview with #311B01

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

Preview Lab → · Contrast checker → · Palette generator →