#40380D#40380D

#40380D is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 34.0% C 0.061 H 98.5°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#40380D
RGB	rgb(64, 56, 13)
HSL	hsl(51, 66%, 15%)
HSV	hsv(51, 80%, 25%)
CMYK	cmyk(0%, 12.5%, 79.7%, 74.9%)
CIE-LAB	lab(23.50, -2.31, 26.88)
CIE-LCH	lch(23.50, 26.98, 94.92°)
OKLab	oklab(33.97% -0.0089 0.06)
OKLCH	oklch(33.97% 0.061 98.5)
XYZ	xyz(3.6013, 3.9476, 0.9530)
Luminance	0.0395 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40380D #0D1540

analogous

#401E0D #40380D #2F400D

triadic

#40380D #0D4038 #380D40

tetradic

#40380D #0D401E #0D1540 #400D2F

square

#40380D #0D401E #0D1540 #400D2F

split-complementary

#40380D #0D2F40 #1E0D40

monochromatic

#191605 #191605 #40380D #736517 #A69122

Accessibility & contrast

On white

11.74

#40380D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#40380D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40380D

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40380D	#FFFFFF	#000000	##FFFFFF
##40380D	1.00	11.74	1.79	11.74
#FFFFFF	11.74	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3607

Deuteranopia (green-blind)

#403910

Tritanopia (blue-blind)

#46332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #40380d;
/* rgb */ color: rgb(64, 56, 13);
/* oklch */ color: oklch(34.0% 0.061 98.5);

Tailwind

colors: {
  custom: {
    50: '#776e4f',
    500: '#40380d',
    950: '#000000',
  },
}

SCSS

$custom: #40380d;
$custom-light: #776e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#40380d",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 13
  },
  "hsl": {
    "h": 50.588,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33972,
    "c": 0.06064,
    "h": 98.5
  },
  "luminance": 0.03947
}

Semantic roles & 50–950 ramp

primary

#40380D

secondary

#2D3A7C

accent

#59E93F

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #40380D

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

Preview Lab → · Contrast checker → · Palette generator →