#37390B#37390B

#37390B is a dark, moderate yellow. Relative luminance 0.038; OKLCH L 33.2% C 0.065 H 111.9°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#37390B
RGB	rgb(55, 57, 11)
HSL	hsl(63, 68%, 13%)
HSV	hsv(63, 81%, 22%)
CMYK	cmyk(3.5%, 0%, 80.7%, 77.6%)
CIE-LAB	lab(22.87, -7.81, 26.85)
CIE-LCH	lch(22.87, 27.96, 106.22°)
OKLab	oklab(33.24% -0.0241 0.0599)
OKLCH	oklch(33.24% 0.065 111.9)
XYZ	xyz(3.0992, 3.7627, 0.8796)
Luminance	0.0376 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 12.37

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37390B #0D0B39

analogous

#39240B #37390B #20390B

triadic

#37390B #0B3739 #390B37

tetradic

#37390B #0B3924 #0D0B39 #390B20

square

#37390B #0B3924 #0D0B39 #390B20

split-complementary

#37390B #0B2039 #240B39

monochromatic

#191A05 #191A05 #37390B #686C15 #9AA01F

Accessibility & contrast

On white

11.98

#37390B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#37390B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37390B

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37390B	#FFFFFF	#000000	##FFFFFF
##37390B	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3605

Deuteranopia (green-blind)

#3E370E

Tritanopia (blue-blind)

#3B3530

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #37390b;
/* rgb */ color: rgb(55, 57, 11);
/* oklch */ color: oklch(33.2% 0.065 111.9);

Tailwind

colors: {
  custom: {
    50: '#706f4d',
    500: '#37390b',
    950: '#000000',
  },
}

SCSS

$custom: #37390b;
$custom-light: #706f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#37390b",
  "rgb": {
    "r": 55,
    "g": 57,
    "b": 11
  },
  "hsl": {
    "h": 62.609,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33241,
    "c": 0.06459,
    "h": 111.9
  },
  "luminance": 0.03763
}

Semantic roles & 50–950 ramp

primary

#37390B

secondary

#2D2A76

accent

#3DEB45

background

#F6F6F4

surface

#ECECE7

border

#C7C7C3

text

#080701

muted

#7B7A77

Preview Lab

Preview with #37390B

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

Preview Lab → · Contrast checker → · Palette generator →