#312F03#312F03

#312F03 is a dark, moderate yellow. Relative luminance 0.027; OKLCH L 29.8% C 0.061 H 106.9°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#312F03
RGB	rgb(49, 47, 3)
HSL	hsl(57, 88%, 10%)
HSV	hsv(57, 94%, 19%)
CMYK	cmyk(0%, 4.1%, 93.9%, 80.8%)
CIE-LAB	lab(18.77, -5.25, 25.43)
CIE-LCH	lch(18.77, 25.96, 101.66°)
OKLab	oklab(29.79% -0.0177 0.0582)
OKLCH	oklch(29.79% 0.061 106.9)
XYZ	xyz(2.2997, 2.6927, 0.4847)
Luminance	0.0269 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F03 #030531

analogous

#311803 #312F03 #1C3103

triadic

#312F03 #03312F #2F0331

tetradic

#312F03 #033118 #030531 #31031C

square

#312F03 #033118 #030531 #31031C

split-complementary

#312F03 #031C31 #180331

monochromatic

#1D1C02 #1D1C02 #312F03 #6B6607 #A49E0A

Accessibility & contrast

On white

13.65

#312F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#312F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F03

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F03	#FFFFFF	#000000	##FFFFFF
##312F03	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D00

Deuteranopia (green-blind)

#352E06

Tritanopia (blue-blind)

#352B27

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #312f03;
/* rgb */ color: rgb(49, 47, 3);
/* oklch */ color: oklch(29.8% 0.061 106.9);

Tailwind

colors: {
  custom: {
    50: '#6b6748',
    500: '#312f03',
    950: '#000000',
  },
}

SCSS

$custom: #312f03;
$custom-light: #6b6748;
$custom-dark: #000000;

JSON

{
  "hex": "#312f03",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 3
  },
  "hsl": {
    "h": 57.391,
    "s": 88.462,
    "l": 10.196
  },
  "oklch": {
    "l": 0.29793,
    "c": 0.06081,
    "h": 106.9
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#312F03

secondary

#1B1F74

accent

#32FF29

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#070601

muted

#7A7A77

Preview Lab

Preview with #312F03

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

Preview Lab → · Contrast checker → · Palette generator →