#3B310B#3B310B

#3B310B is a dark, muted yellow. Relative luminance 0.032; OKLCH L 31.6% C 0.056 H 94.0°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#3B310B
RGB	rgb(59, 49, 11)
HSL	hsl(48, 69%, 14%)
HSV	hsv(48, 81%, 23%)
CMYK	cmyk(0%, 16.9%, 81.4%, 76.9%)
CIE-LAB	lab(20.64, -0.57, 24.59)
CIE-LCH	lch(20.64, 24.59, 91.33°)
OKLab	oklab(31.57% -0.0039 0.0554)
OKLCH	oklch(31.57% 0.056 94)
XYZ	xyz(2.9625, 3.1508, 0.7687)
Luminance	0.0315 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B310B #0B153B

analogous

#3B190B #3B310B #2D3B0B

triadic

#3B310B #0B3B31 #310B3B

tetradic

#3B310B #0B3B19 #0B153B #3B0B2D

square

#3B310B #0B3B19 #0B153B #3B0B2D

split-complementary

#3B310B #0B2D3B #190B3B

monochromatic

#1A1505 #1A1505 #3B310B #6F5C15 #A2871E

Accessibility & contrast

On white

12.88

#3B310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#3B310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B310B

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B310B	#FFFFFF	#000000	##FFFFFF
##3B310B	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373006

Deuteranopia (green-blind)

#3A330D

Tritanopia (blue-blind)

#402C29

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #3b310b;
/* rgb */ color: rgb(59, 49, 11);
/* oklch */ color: oklch(31.6% 0.056 94.0);

Tailwind

colors: {
  custom: {
    50: '#73684d',
    500: '#3b310b',
    950: '#000000',
  },
}

SCSS

$custom: #3b310b;
$custom-light: #73684d;
$custom-dark: #000000;

JSON

{
  "hex": "#3b310b",
  "rgb": {
    "r": 59,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 47.5,
    "s": 68.571,
    "l": 13.725
  },
  "oklch": {
    "l": 0.31568,
    "c": 0.0555,
    "h": 94
  },
  "luminance": 0.03151
}

Semantic roles & 50–950 ramp

primary

#3B310B

secondary

#2A3A78

accent

#61EB3C

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#080601

muted

#7B7A77

Preview Lab

Preview with #3B310B

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

Preview Lab → · Contrast checker → · Palette generator →