#30310B#30310B

#30310B is a dark, muted yellow. Relative luminance 0.028; OKLCH L 30.3% C 0.056 H 110.8°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#30310B
RGB	rgb(48, 49, 11)
HSL	hsl(62, 63%, 12%)
HSV	hsv(62, 78%, 19%)
CMYK	cmyk(2%, 0%, 77.6%, 80.8%)
CIE-LAB	lab(19.43, -6.48, 22.90)
CIE-LCH	lch(19.43, 23.80, 105.80°)
OKLab	oklab(30.32% -0.0198 0.0524)
OKLCH	oklch(30.32% 0.056 110.8)
XYZ	xyz(2.3777, 2.8492, 0.7412)
Luminance	0.0285 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#30310B #0C0B31

analogous

#311F0B #30310B #1D310B

triadic

#30310B #0B3031 #310B30

tetradic

#30310B #0B311F #0C0B31 #310B1D

square

#30310B #0B311F #0C0B31 #310B1D

split-complementary

#30310B #0B1D31 #1F0B31

monochromatic

#181906 #181906 #30310B #616316 #929521

Accessibility & contrast

On white

13.38

#30310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#30310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #30310B

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##30310B	#FFFFFF	#000000	##FFFFFF
##30310B	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E06

Deuteranopia (green-blind)

#36300E

Tritanopia (blue-blind)

#342D29

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #30310b;
/* rgb */ color: rgb(48, 49, 11);
/* oklch */ color: oklch(30.3% 0.056 110.8);

Tailwind

colors: {
  custom: {
    50: '#6a684c',
    500: '#30310b',
    950: '#000000',
  },
}

SCSS

$custom: #30310b;
$custom-light: #6a684c;
$custom-dark: #000000;

JSON

{
  "hex": "#30310b",
  "rgb": {
    "r": 48,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 61.579,
    "s": 63.333,
    "l": 11.765
  },
  "oklch": {
    "l": 0.3032,
    "c": 0.056,
    "h": 110.8
  },
  "luminance": 0.02849
}

Semantic roles & 50–950 ramp

primary

#30310B

secondary

#2C2A6E

accent

#41E646

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#060601

muted

#7A7A77

Preview Lab

Preview with #30310B

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

Preview Lab → · Contrast checker → · Palette generator →