#40380C#40380C

#40380C is a dark, moderate yellow. Relative luminance 0.039; OKLCH L 34.0% C 0.061 H 98.7°. Best body text is #FFFFFF at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#40380C
RGB	rgb(64, 56, 12)
HSL	hsl(51, 68%, 15%)
HSV	hsv(51, 81%, 25%)
CMYK	cmyk(0%, 12.5%, 81.2%, 74.9%)
CIE-LAB	lab(23.49, -2.37, 27.34)
CIE-LCH	lch(23.49, 27.44, 94.96°)
OKLab	oklab(33.96% -0.0092 0.0608)
OKLCH	oklch(33.96% 0.061 98.7)
XYZ	xyz(3.5951, 3.9451, 0.9199)
Luminance	0.0394 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40380C #0C1440

analogous

#401E0C #40380C #2E400C

triadic

#40380C #0C4038 #380C40

tetradic

#40380C #0C401E #0C1440 #400C2E

square

#40380C #0C401E #0C1440 #400C2E

split-complementary

#40380C #0C2E40 #1E0C40

monochromatic

#1A1705 #1A1705 #40380C #746516 #A7921F

Accessibility & contrast

On white

11.74

#40380C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#40380C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40380C

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40380C	#FFFFFF	#000000	##FFFFFF
##40380C	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)

#3E3606

Deuteranopia (green-blind)

#40390F

Tritanopia (blue-blind)

#46332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #40380c;
/* rgb */ color: rgb(64, 56, 12);
/* oklch */ color: oklch(34.0% 0.061 98.7);

Tailwind

colors: {
  custom: {
    50: '#776e4e',
    500: '#40380c',
    950: '#000000',
  },
}

SCSS

$custom: #40380c;
$custom-light: #776e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#40380c",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 12
  },
  "hsl": {
    "h": 50.769,
    "s": 68.421,
    "l": 14.902
  },
  "oklch": {
    "l": 0.33962,
    "c": 0.06145,
    "h": 98.7
  },
  "luminance": 0.03945
}

Semantic roles & 50–950 ramp

primary

#40380C

secondary

#2C387C

accent

#57EB3D

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #40380C

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

Preview Lab → · Contrast checker → · Palette generator →