#403F13#403F13

#403F13 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.063 H 108.0°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#403F13
RGB	rgb(64, 63, 19)
HSL	hsl(59, 54%, 16%)
HSV	hsv(59, 70%, 25%)
CMYK	cmyk(0%, 1.6%, 70.3%, 74.9%)
CIE-LAB	lab(25.84, -6.28, 26.30)
CIE-LCH	lch(25.84, 27.04, 103.44°)
OKLab	oklab(35.85% -0.0194 0.0599)
OKLCH	oklch(35.85% 0.063 108)
XYZ	xyz(4.0095, 4.6921, 1.3104)
Luminance	0.0469 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F13 #131440

analogous

#402913 #403F13 #2B4013

triadic

#403F13 #13403F #3F1340

tetradic

#403F13 #134029 #131440 #40132B

square

#403F13 #134029 #131440 #40132B

split-complementary

#403F13 #132B40 #291340

monochromatic

#181707 #181707 #403F13 #6F6D21 #9E9C2F

Accessibility & contrast

On white

10.83

#403F13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F13

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F13	#FFFFFF	#000000	##FFFFFF
##403F13	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)

#453C0E

Deuteranopia (green-blind)

#453E16

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f13;
/* rgb */ color: rgb(64, 63, 19);
/* oklch */ color: oklch(35.9% 0.063 108.0);

Tailwind

colors: {
  custom: {
    50: '#767353',
    500: '#403f13',
    950: '#000000',
  },
}

SCSS

$custom: #403f13;
$custom-light: #767353;
$custom-dark: #000000;

JSON

{
  "hex": "#403f13",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 19
  },
  "hsl": {
    "h": 58.667,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.35851,
    "c": 0.06299,
    "h": 108
  },
  "luminance": 0.04692
}

Semantic roles & 50–950 ramp

primary

#403F13

secondary

#363879

accent

#4DDE4A

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #403F13

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

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