#312B01#312B01

#312B01 is a dark, muted yellow. Relative luminance 0.024; OKLCH L 28.7% C 0.059 H 101.0°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#312B01
RGB	rgb(49, 43, 1)
HSL	hsl(53, 96%, 10%)
HSV	hsv(53, 98%, 19%)
CMYK	cmyk(0%, 12.2%, 98%, 80.8%)
CIE-LAB	lab(17.38, -2.78, 24.59)
CIE-LCH	lch(17.38, 24.74, 96.46°)
OKLab	oklab(28.68% -0.0112 0.0577)
OKLCH	oklch(28.68% 0.059 101)
XYZ	xyz(2.1361, 2.3830, 0.3762)
Luminance	0.0238 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312B01 #010731

analogous

#311301 #312B01 #1F3101

triadic

#312B01 #01312B #2B0131

tetradic

#312B01 #013113 #010731 #31011F

square

#312B01 #013113 #010731 #31011F

split-complementary

#312B01 #011F31 #130131

monochromatic

#1E1A01 #1E1A01 #312B01 #6D6002 #A99403

Accessibility & contrast

On white

14.22

#312B01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#312B01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312B01

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312B01	#FFFFFF	#000000	##FFFFFF
##312B01	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302900

Deuteranopia (green-blind)

#322C03

Tritanopia (blue-blind)

#362723

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #312b01;
/* rgb */ color: rgb(49, 43, 1);
/* oklch */ color: oklch(28.7% 0.059 101.0);

Tailwind

colors: {
  custom: {
    50: '#6b6447',
    500: '#312b01',
    950: '#000000',
  },
}

SCSS

$custom: #312b01;
$custom-light: #6b6447;
$custom-dark: #000000;

JSON

{
  "hex": "#312b01",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 1
  },
  "hsl": {
    "h": 52.5,
    "s": 96,
    "l": 9.804
  },
  "oklch": {
    "l": 0.28683,
    "c": 0.05875,
    "h": 101
  },
  "luminance": 0.02383
}

Semantic roles & 50–950 ramp

primary

#312B01

secondary

#172377

accent

#44FF29

background

#F6F5F4

surface

#EBEAE6

border

#C6C6C2

text

#070500

muted

#7A7977

Preview Lab

Preview with #312B01

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

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