#30370B#30370B

#30370B is a dark, moderate yellow. Relative luminance 0.034; OKLCH L 32.0% C 0.064 H 118.0°. Best body text is #FFFFFF at 12.52:1 contrast (WCAG AA passes).

Color values

HEX	#30370B
RGB	rgb(48, 55, 11)
HSL	hsl(70, 67%, 13%)
HSV	hsv(70, 80%, 22%)
CMYK	cmyk(12.7%, 0%, 80%, 78.4%)
CIE-LAB	lab(21.52, -10.21, 25.23)
CIE-LCH	lch(21.52, 27.22, 112.03°)
OKLab	oklab(32% -0.0303 0.0569)
OKLCH	oklch(32% 0.064 118)
XYZ	xyz(2.6456, 3.3849, 0.8305)
Luminance	0.0338 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 10.42

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30370B #120B37

analogous

#37280B #30370B #1A370B

triadic

#30370B #0B3037 #370B30

tetradic

#30370B #0B3728 #120B37 #370B1A

square

#30370B #0B3728 #120B37 #370B1A

split-complementary

#30370B #0B1A37 #280B37

monochromatic

#161A05 #161A05 #30370B #5D6A15 #899D1F

Accessibility & contrast

On white

12.52

#30370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#30370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30370B

12.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30370B	#FFFFFF	#000000	##FFFFFF
##30370B	1.00	12.52	1.68	12.52
#FFFFFF	12.52	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3405

Deuteranopia (green-blind)

#3A340E

Tritanopia (blue-blind)

#33342E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #30370b;
/* rgb */ color: rgb(48, 55, 11);
/* oklch */ color: oklch(32.0% 0.064 118.0);

Tailwind

colors: {
  custom: {
    50: '#6a6d4d',
    500: '#30370b',
    950: '#000000',
  },
}

SCSS

$custom: #30370b;
$custom-light: #6a6d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#30370b",
  "rgb": {
    "r": 48,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 69.545,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.31998,
    "c": 0.06444,
    "h": 118
  },
  "luminance": 0.03385
}

Semantic roles & 50–950 ramp

primary

#30370B

secondary

#362A74

accent

#3EEA59

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060701

muted

#7A7A77

Preview Lab

Preview with #30370B

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

Preview Lab → · Contrast checker → · Palette generator →