#40400D#40400D

#40400D is a dark, moderate yellow. Relative luminance 0.048; OKLCH L 36.1% C 0.069 H 109.4°. Best body text is #FFFFFF at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#40400D
RGB	rgb(64, 64, 13)
HSL	hsl(60, 66%, 15%)
HSV	hsv(60, 80%, 25%)
CMYK	cmyk(0%, 0%, 79.7%, 74.9%)
CIE-LAB	lab(26.12, -7.32, 29.47)
CIE-LCH	lch(26.12, 30.37, 103.95°)
OKLab	oklab(36.06% -0.0231 0.0654)
OKLCH	oklch(36.06% 0.069 109.4)
XYZ	xyz(4.0205, 4.7860, 1.0927)
Luminance	0.0479 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40400D #0D0D40

analogous

#40260D #40400D #26400D

triadic

#40400D #0D4040 #400D40

tetradic

#40400D #0D4026 #0D0D40 #400D26

square

#40400D #0D4026 #0D0D40 #400D26

split-complementary

#40400D #0D2640 #260D40

monochromatic

#191905 #191905 #40400D #737317 #A6A622

Accessibility & contrast

On white

10.73

#40400D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#40400D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40400D

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40400D	#FFFFFF	#000000	##FFFFFF
##40400D	1.00	10.73	1.96	10.73
#FFFFFF	10.73	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463D05

Deuteranopia (green-blind)

#463F11

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #40400d;
/* rgb */ color: rgb(64, 64, 13);
/* oklch */ color: oklch(36.1% 0.069 109.4);

Tailwind

colors: {
  custom: {
    50: '#777450',
    500: '#40400d',
    950: '#000000',
  },
}

SCSS

$custom: #40400d;
$custom-light: #777450;
$custom-dark: #000000;

JSON

{
  "hex": "#40400d",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 13
  },
  "hsl": {
    "h": 60,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.36055,
    "c": 0.0694,
    "h": 109.4
  },
  "luminance": 0.04786
}

Semantic roles & 50–950 ramp

primary

#40400D

secondary

#2D2D7C

accent

#3FE93F

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40400D

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

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