#312F05#312F05

#312F05 is a dark, muted yellow. Relative luminance 0.027; OKLCH L 29.8% C 0.059 H 106.7°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#312F05
RGB	rgb(49, 47, 5)
HSL	hsl(57, 81%, 11%)
HSV	hsv(57, 90%, 19%)
CMYK	cmyk(0%, 4.1%, 89.8%, 80.8%)
CIE-LAB	lab(18.79, -5.10, 24.63)
CIE-LCH	lch(18.79, 25.16, 101.70°)
OKLab	oklab(29.81% -0.0169 0.0564)
OKLCH	oklch(29.81% 0.059 106.7)
XYZ	xyz(2.3106, 2.6970, 0.5424)
Luminance	0.0270 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#312F05 #050731

analogous

#311905 #312F05 #1D3105

triadic

#312F05 #05312F #2F0531

tetradic

#312F05 #053119 #050731 #31051D

square

#312F05 #053119 #050731 #31051D

split-complementary

#312F05 #051D31 #190531

monochromatic

#1C1B03 #1C1B03 #312F05 #69640B #A09A10

Accessibility & contrast

On white

13.64

#312F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#312F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #312F05

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##312F05	#FFFFFF	#000000	##FFFFFF
##312F05	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342D00

Deuteranopia (green-blind)

#352E08

Tritanopia (blue-blind)

#352B27

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #312f05;
/* rgb */ color: rgb(49, 47, 5);
/* oklch */ color: oklch(29.8% 0.059 106.7);

Tailwind

colors: {
  custom: {
    50: '#6b6749',
    500: '#312f05',
    950: '#000000',
  },
}

SCSS

$custom: #312f05;
$custom-light: #6b6749;
$custom-dark: #000000;

JSON

{
  "hex": "#312f05",
  "rgb": {
    "r": 49,
    "g": 47,
    "b": 5
  },
  "hsl": {
    "h": 57.273,
    "s": 81.481,
    "l": 10.588
  },
  "oklch": {
    "l": 0.29814,
    "c": 0.05884,
    "h": 106.7
  },
  "luminance": 0.02697
}

Semantic roles & 50–950 ramp

primary

#312F05

secondary

#1F2372

accent

#39F830

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #312F05

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

Preview Lab → · Contrast checker → · Palette generator →