#403C05#403C05

#403C05 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.9% C 0.071 H 105.1°. Best body text is #FFFFFF at 11.25:1 contrast (WCAG AA passes).

Color values

HEX	#403C05
RGB	rgb(64, 60, 5)
HSL	hsl(56, 86%, 14%)
HSV	hsv(56, 92%, 25%)
CMYK	cmyk(0%, 6.2%, 92.2%, 74.9%)
CIE-LAB	lab(24.74, -5.28, 31.48)
CIE-LCH	lch(24.74, 31.92, 99.52°)
OKLab	oklab(34.94% -0.0183 0.0681)
OKLCH	oklch(34.94% 0.071 105.1)
XYZ	xyz(3.7578, 4.3328, 0.7819)
Luminance	0.0433 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C05 #050940

analogous

#401E05 #403C05 #264005

triadic

#403C05 #05403C #3C0540

tetradic

#403C05 #05401E #050940 #400526

square

#403C05 #05401E #050940 #400526

split-complementary

#403C05 #052640 #1E0540

monochromatic

#1C1B02 #1C1B02 #403C05 #797109 #B2A60E

Accessibility & contrast

On white

11.25

#403C05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C05

11.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C05	#FFFFFF	#000000	##FFFFFF
##403C05	1.00	11.25	1.87	11.25
#FFFFFF	11.25	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423900

Deuteranopia (green-blind)

#443C09

Tritanopia (blue-blind)

#463732

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c05;
/* rgb */ color: rgb(64, 60, 5);
/* oklch */ color: oklch(34.9% 0.071 105.1);

Tailwind

colors: {
  custom: {
    50: '#77714b',
    500: '#403c05',
    950: '#000000',
  },
}

SCSS

$custom: #403c05;
$custom-light: #77714b;
$custom-dark: #000000;

JSON

{
  "hex": "#403c05",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 5
  },
  "hsl": {
    "h": 55.932,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.34943,
    "c": 0.07053,
    "h": 105.1
  },
  "luminance": 0.04333
}

Semantic roles & 50–950 ramp

primary

#403C05

secondary

#202781

accent

#3AFC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403C05

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

Preview Lab → · Contrast checker → · Palette generator →