#39310B#39310B

#39310B is a dark, muted yellow. Relative luminance 0.031; OKLCH L 31.3% C 0.055 H 97.1°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#39310B
RGB	rgb(57, 49, 11)
HSL	hsl(50, 68%, 13%)
HSV	hsv(50, 81%, 22%)
CMYK	cmyk(0%, 14%, 80.7%, 77.6%)
CIE-LAB	lab(20.40, -1.65, 24.26)
CIE-LCH	lch(20.40, 24.32, 93.88°)
OKLab	oklab(31.33% -0.0068 0.0548)
OKLCH	oklch(31.33% 0.055 97.1)
XYZ	xyz(2.8462, 3.0908, 0.7632)
Luminance	0.0309 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#39310B #0B1339

analogous

#391A0B #39310B #2A390B

triadic

#39310B #0B3931 #310B39

tetradic

#39310B #0B391A #0B1339 #390B2A

square

#39310B #0B391A #0B1339 #390B2A

split-complementary

#39310B #0B2A39 #1A0B39

monochromatic

#1A1605 #1A1605 #39310B #6C5D15 #A0891F

Accessibility & contrast

On white

12.98

#39310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#39310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #39310B

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##39310B	#FFFFFF	#000000	##FFFFFF
##39310B	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373006

Deuteranopia (green-blind)

#39320D

Tritanopia (blue-blind)

#3E2D29

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #39310b;
/* rgb */ color: rgb(57, 49, 11);
/* oklch */ color: oklch(31.3% 0.055 97.1);

Tailwind

colors: {
  custom: {
    50: '#71684d',
    500: '#39310b',
    950: '#000000',
  },
}

SCSS

$custom: #39310b;
$custom-light: #71684d;
$custom-dark: #000000;

JSON

{
  "hex": "#39310b",
  "rgb": {
    "r": 57,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 49.565,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.31328,
    "c": 0.0552,
    "h": 97.1
  },
  "luminance": 0.03091
}

Semantic roles & 50–950 ramp

primary

#39310B

secondary

#2A3776

accent

#5BEB3D

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#080601

muted

#7B7A77

Preview Lab

Preview with #39310B

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

Preview Lab → · Contrast checker → · Palette generator →