#31380B#31380B

#31380B is a dark, moderate yellow. Relative luminance 0.035; OKLCH L 32.4% C 0.065 H 117.9°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#31380B
RGB	rgb(49, 56, 11)
HSL	hsl(69, 67%, 13%)
HSV	hsv(69, 80%, 22%)
CMYK	cmyk(12.5%, 0%, 80.4%, 78%)
CIE-LAB	lab(21.96, -10.30, 25.73)
CIE-LCH	lch(21.96, 27.71, 111.82°)
OKLab	oklab(32.38% -0.0306 0.0578)
OKLCH	oklch(32.38% 0.065 117.9)
XYZ	xyz(2.7413, 3.5055, 0.8488)
Luminance	0.0350 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#31380B #120B38

analogous

#38280B #31380B #1A380B

triadic

#31380B #0B3138 #380B31

tetradic

#31380B #0B3828 #120B38 #380B1A

square

#31380B #0B3828 #120B38 #380B1A

split-complementary

#31380B #0B1A38 #280B38

monochromatic

#161A05 #161A05 #31380B #5E6B15 #8B9E1F

Accessibility & contrast

On white

12.35

#31380B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#31380B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #31380B

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##31380B	#FFFFFF	#000000	##FFFFFF
##31380B	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3405

Deuteranopia (green-blind)

#3C350E

Tritanopia (blue-blind)

#34342F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #31380b;
/* rgb */ color: rgb(49, 56, 11);
/* oklch */ color: oklch(32.4% 0.065 117.9);

Tailwind

colors: {
  custom: {
    50: '#6b6e4d',
    500: '#31380b',
    950: '#000000',
  },
}

SCSS

$custom: #31380b;
$custom-light: #6b6e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#31380b",
  "rgb": {
    "r": 49,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 69.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32375,
    "c": 0.06544,
    "h": 117.9
  },
  "luminance": 0.03505
}

Semantic roles & 50–950 ramp

primary

#31380B

secondary

#362A75

accent

#3EEA59

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070701

muted

#7A7A77

Preview Lab

Preview with #31380B

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

Preview Lab → · Contrast checker → · Palette generator →