#312B05#312B05

#312B05 is a dark, muted yellow. Relative luminance 0.024; OKLCH L 28.7% C 0.055 H 100.1°. Best body text is #FFFFFF at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#312B05
RGB	rgb(49, 43, 5)
HSL	hsl(52, 81%, 11%)
HSV	hsv(52, 90%, 19%)
CMYK	cmyk(0%, 12.2%, 89.8%, 80.8%)
CIE-LAB	lab(17.42, -2.48, 23.01)
CIE-LCH	lch(17.42, 23.14, 96.15°)
OKLab	oklab(28.73% -0.0095 0.0537)
OKLCH	oklch(28.73% 0.055 100.1)
XYZ	xyz(2.1580, 2.3918, 0.4915)
Luminance	0.0239 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312B05 #050B31

analogous

#311505 #312B05 #213105

triadic

#312B05 #05312B #2B0531

tetradic

#312B05 #053115 #050B31 #310521

square

#312B05 #053115 #050B31 #310521

split-complementary

#312B05 #052131 #150531

monochromatic

#1C1803 #1C1803 #312B05 #695C0B #A08C10

Accessibility & contrast

On white

14.20

#312B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#312B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312B05

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312B05	#FFFFFF	#000000	##FFFFFF
##312B05	1.00	14.20	1.48	14.20
#FFFFFF	14.20	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#302A01

Deuteranopia (green-blind)

#322C07

Tritanopia (blue-blind)

#362724

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #312b05;
/* rgb */ color: rgb(49, 43, 5);
/* oklch */ color: oklch(28.7% 0.055 100.1);

Tailwind

colors: {
  custom: {
    50: '#6b6449',
    500: '#312b05',
    950: '#000000',
  },
}

SCSS

$custom: #312b05;
$custom-light: #6b6449;
$custom-dark: #000000;

JSON

{
  "hex": "#312b05",
  "rgb": {
    "r": 49,
    "g": 43,
    "b": 5
  },
  "hsl": {
    "h": 51.818,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.28728,
    "c": 0.05453,
    "h": 100.1
  },
  "luminance": 0.02392
}

Semantic roles & 50–950 ramp

primary

#312B05

secondary

#1F2B72

accent

#4BF830

background

#F6F5F4

surface

#EBEAE7

border

#C6C6C3

text

#070501

muted

#7A7977

Preview Lab

Preview with #312B05

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

Preview Lab → · Contrast checker → · Palette generator →