#403604#403604

#403604 is a dark, moderate yellow. Relative luminance 0.037; OKLCH L 33.4% C 0.066 H 96.9°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#403604
RGB	rgb(64, 54, 4)
HSL	hsl(50, 88%, 13%)
HSV	hsv(50, 94%, 25%)
CMYK	cmyk(0%, 15.6%, 93.8%, 74.9%)
CIE-LAB	lab(22.78, -1.53, 29.92)
CIE-LCH	lch(22.78, 29.96, 92.93°)
OKLab	oklab(33.38% -0.0079 0.0652)
OKLCH	oklch(33.38% 0.066 96.9)
XYZ	xyz(3.4556, 3.7373, 0.6542)
Luminance	0.0374 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403604 #040E40

analogous

#401804 #403604 #2C4004

triadic

#403604 #044036 #360440

tetradic

#403604 #044018 #040E40 #40042C

square

#403604 #044018 #040E40 #40042C

split-complementary

#403604 #042C40 #180440

monochromatic

#1D1802 #1D1802 #403604 #7A6708 #B3970B

Accessibility & contrast

On white

12.02

#403604 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#403604 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403604

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403604	#FFFFFF	#000000	##FFFFFF
##403604	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3500

Deuteranopia (green-blind)

#3F3807

Tritanopia (blue-blind)

#46312D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #403604;
/* rgb */ color: rgb(64, 54, 4);
/* oklch */ color: oklch(33.4% 0.066 96.9);

Tailwind

colors: {
  custom: {
    50: '#786c4a',
    500: '#403604',
    950: '#000000',
  },
}

SCSS

$custom: #403604;
$custom-light: #786c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#403604",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 4
  },
  "hsl": {
    "h": 50,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.33384,
    "c": 0.0657,
    "h": 96.9
  },
  "luminance": 0.03737
}

Semantic roles & 50–950 ramp

primary

#403604

secondary

#1F2F81

accent

#4DFE29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403604

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

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