#403B13#403B13

#403B13 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.058 H 102.2°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#403B13
RGB	rgb(64, 59, 19)
HSL	hsl(53, 54%, 16%)
HSV	hsv(53, 70%, 25%)
CMYK	cmyk(0%, 7.8%, 70.3%, 74.9%)
CIE-LAB	lab(24.53, -3.79, 24.89)
CIE-LCH	lch(24.53, 25.18, 98.65°)
OKLab	oklab(34.81% -0.0123 0.0569)
OKLCH	oklch(34.81% 0.058 102.2)
XYZ	xyz(3.7960, 4.2651, 1.2393)
Luminance	0.0427 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B13 #131840

analogous

#402513 #403B13 #2F4013

triadic

#403B13 #13403B #3B1340

tetradic

#403B13 #134025 #131840 #40132F

square

#403B13 #134025 #131840 #40132F

split-complementary

#403B13 #132F40 #251340

monochromatic

#181607 #181607 #403B13 #6F6721 #9E922F

Accessibility & contrast

On white

11.33

#403B13 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B13 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B13

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B13	#FFFFFF	#000000	##FFFFFF
##403B13	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390E

Deuteranopia (green-blind)

#423B15

Tritanopia (blue-blind)

#453732

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b13;
/* rgb */ color: rgb(64, 59, 19);
/* oklch */ color: oklch(34.8% 0.058 102.2);

Tailwind

colors: {
  custom: {
    50: '#767053',
    500: '#403b13',
    950: '#000000',
  },
}

SCSS

$custom: #403b13;
$custom-light: #767053;
$custom-dark: #000000;

JSON

{
  "hex": "#403b13",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 19
  },
  "hsl": {
    "h": 53.333,
    "s": 54.217,
    "l": 16.275
  },
  "oklch": {
    "l": 0.34809,
    "c": 0.05824,
    "h": 102.2
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#403B13

secondary

#363E79

accent

#5BDE4A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B13

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

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