#403F15#403F15

#403F15 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.061 H 107.8°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#403F15
RGB	rgb(64, 63, 21)
HSL	hsl(59, 51%, 17%)
HSV	hsv(59, 67%, 25%)
CMYK	cmyk(0%, 1.6%, 67.2%, 74.9%)
CIE-LAB	lab(25.86, -6.12, 25.27)
CIE-LCH	lch(25.86, 26.00, 103.61°)
OKLab	oklab(35.88% -0.0187 0.0581)
OKLCH	oklch(35.88% 0.061 107.8)
XYZ	xyz(4.0273, 4.6993, 1.4042)
Luminance	0.0470 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F15 #151640

analogous

#402A15 #403F15 #2C4015

triadic

#403F15 #15403F #3F1540

tetradic

#403F15 #15402A #151640 #40152C

square

#403F15 #15402A #151640 #40152C

split-complementary

#403F15 #152C40 #2A1540

monochromatic

#171708 #171708 #403F15 #6E6C24 #9C9A33

Accessibility & contrast

On white

10.83

#403F15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F15

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F15	#FFFFFF	#000000	##FFFFFF
##403F15	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C10

Deuteranopia (green-blind)

#453E17

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f15;
/* rgb */ color: rgb(64, 63, 21);
/* oklch */ color: oklch(35.9% 0.061 107.8);

Tailwind

colors: {
  custom: {
    50: '#767354',
    500: '#403f15',
    950: '#000000',
  },
}

SCSS

$custom: #403f15;
$custom-light: #767354;
$custom-dark: #000000;

JSON

{
  "hex": "#403f15",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 21
  },
  "hsl": {
    "h": 58.605,
    "s": 50.588,
    "l": 16.667
  },
  "oklch": {
    "l": 0.35875,
    "c": 0.06099,
    "h": 107.8
  },
  "luminance": 0.04699
}

Semantic roles & 50–950 ramp

primary

#403F15

secondary

#393B78

accent

#51DA4E

background

#F7F7F4

surface

#EDEDE8

border

#C8C8C4

text

#090803

muted

#7B7B78

Preview Lab

Preview with #403F15

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

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