#403B04#403B04

#403B04 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.070 H 103.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#403B04
RGB	rgb(64, 59, 4)
HSL	hsl(55, 88%, 13%)
HSV	hsv(55, 94%, 25%)
CMYK	cmyk(0%, 7.8%, 93.8%, 74.9%)
CIE-LAB	lab(24.41, -4.71, 31.56)
CIE-LCH	lch(24.41, 31.91, 98.48°)
OKLab	oklab(34.67% -0.0168 0.0682)
OKLCH	oklch(34.67% 0.07 103.9)
XYZ	xyz(3.7004, 4.2268, 0.7358)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B04 #040940

analogous

#401D04 #403B04 #274004

triadic

#403B04 #04403B #3B0440

tetradic

#403B04 #04401D #040940 #400427

square

#403B04 #04401D #040940 #400427

split-complementary

#403B04 #042740 #1D0440

monochromatic

#1D1B02 #1D1B02 #403B04 #7A7008 #B3A50B

Accessibility & contrast

On white

11.38

#403B04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B04

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B04	#FFFFFF	#000000	##FFFFFF
##403B04	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413900

Deuteranopia (green-blind)

#433B08

Tritanopia (blue-blind)

#463631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b04;
/* rgb */ color: rgb(64, 59, 4);
/* oklch */ color: oklch(34.7% 0.070 103.9);

Tailwind

colors: {
  custom: {
    50: '#78704a',
    500: '#403b04',
    950: '#000000',
  },
}

SCSS

$custom: #403b04;
$custom-light: #78704a;
$custom-dark: #000000;

JSON

{
  "hex": "#403b04",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 4
  },
  "hsl": {
    "h": 55,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34674,
    "c": 0.07024,
    "h": 103.9
  },
  "luminance": 0.04227
}

Semantic roles & 50–950 ramp

primary

#403B04

secondary

#1F2781

accent

#3BFE29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B04

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

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