#40400E#40400E

#40400E 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	#40400E
RGB	rgb(64, 64, 14)
HSL	hsl(60, 64%, 15%)
HSV	hsv(60, 78%, 25%)
CMYK	cmyk(0%, 0%, 78.1%, 74.9%)
CIE-LAB	lab(26.12, -7.26, 29.03)
CIE-LCH	lch(26.12, 29.93, 104.03°)
OKLab	oklab(36.06% -0.0228 0.0647)
OKLCH	oklch(36.06% 0.069 109.4)
XYZ	xyz(4.0272, 4.7886, 1.1275)
Luminance	0.0479 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40400E #0E0E40

analogous

#40270E #40400E #27400E

triadic

#40400E #0E4040 #400E40

tetradic

#40400E #0E4027 #0E0E40 #400E27

square

#40400E #0E4027 #0E0E40 #400E27

split-complementary

#40400E #0E2740 #270E40

monochromatic

#191905 #191905 #40400E #727219 #A4A424

Accessibility & contrast

On white

10.73

#40400E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#40400E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40400E

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40400E	#FFFFFF	#000000	##FFFFFF
##40400E	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)

#463D06

Deuteranopia (green-blind)

#463F12

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #40400e;
/* rgb */ color: rgb(64, 64, 14);
/* oklch */ color: oklch(36.1% 0.069 109.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40400e",
  "rgb": {
    "r": 64,
    "g": 64,
    "b": 14
  },
  "hsl": {
    "h": 60,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.36064,
    "c": 0.06862,
    "h": 109.4
  },
  "luminance": 0.04788
}

Semantic roles & 50–950 ramp

primary

#40400E

secondary

#2F2F7B

accent

#41E741

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40400E

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

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