#313303#313303

#313303 is a dark, moderate yellow. Relative luminance 0.030; OKLCH L 30.9% C 0.066 H 112.1°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#313303
RGB	rgb(49, 51, 3)
HSL	hsl(63, 89%, 11%)
HSV	hsv(63, 94%, 20%)
CMYK	cmyk(3.9%, 0%, 94.1%, 80%)
CIE-LAB	lab(20.15, -7.79, 27.02)
CIE-LCH	lch(20.15, 28.12, 106.09°)
OKLab	oklab(30.9% -0.0247 0.0607)
OKLCH	oklch(30.9% 0.066 112.1)
XYZ	xyz(2.4670, 3.0273, 0.5405)
Luminance	0.0303 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#313303 #050333

analogous

#331D03 #313303 #193303

triadic

#313303 #033133 #330331

tetradic

#313303 #03331D #050333 #330319

square

#313303 #03331D #050333 #330319

split-complementary

#313303 #031933 #1D0333

monochromatic

#1C1D02 #1C1D02 #313303 #696D06 #A0A70A

Accessibility & contrast

On white

13.08

#313303 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#313303 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #313303

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##313303	#FFFFFF	#000000	##FFFFFF
##313303	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383000

Deuteranopia (green-blind)

#383106

Tritanopia (blue-blind)

#352F2A

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #313303;
/* rgb */ color: rgb(49, 51, 3);
/* oklch */ color: oklch(30.9% 0.066 112.1);

Tailwind

colors: {
  custom: {
    50: '#6b6a49',
    500: '#313303',
    950: '#000000',
  },
}

SCSS

$custom: #313303;
$custom-light: #6b6a49;
$custom-dark: #000000;

JSON

{
  "hex": "#313303",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 3
  },
  "hsl": {
    "h": 62.5,
    "s": 88.889,
    "l": 10.588
  },
  "oklch": {
    "l": 0.309,
    "c": 0.06556,
    "h": 112.1
  },
  "luminance": 0.03027
}

Semantic roles & 50–950 ramp

primary

#313303

secondary

#1F1C76

accent

#29FF32

background

#F6F6F4

surface

#EBEBE7

border

#C6C6C3

text

#070601

muted

#7A7A77

Preview Lab

Preview with #313303

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

Preview Lab → · Contrast checker → · Palette generator →