#403A03#403A03

#403A03 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.4% C 0.070 H 102.7°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#403A03
RGB	rgb(64, 58, 3)
HSL	hsl(54, 91%, 13%)
HSV	hsv(54, 95%, 25%)
CMYK	cmyk(0%, 9.4%, 95.3%, 74.9%)
CIE-LAB	lab(24.07, -4.13, 31.64)
CIE-LCH	lch(24.07, 31.91, 97.44°)
OKLab	oklab(34.41% -0.0154 0.0683)
OKLCH	oklch(34.41% 0.07 102.7)
XYZ	xyz(3.6440, 4.1228, 0.6900)
Luminance	0.0412 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A03 #030940

analogous

#401B03 #403A03 #274003

triadic

#403A03 #03403A #3A0340

tetradic

#403A03 #03401B #030940 #400327

square

#403A03 #03401B #030940 #400327

split-complementary

#403A03 #032740 #1B0340

monochromatic

#1D1A01 #1D1A01 #403A03 #7A6F06 #B5A408

Accessibility & contrast

On white

11.51

#403A03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#403A03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A03

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A03	#FFFFFF	#000000	##FFFFFF
##403A03	1.00	11.51	1.82	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#423A07

Tritanopia (blue-blind)

#463530

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403a03;
/* rgb */ color: rgb(64, 58, 3);
/* oklch */ color: oklch(34.4% 0.070 102.7);

Tailwind

colors: {
  custom: {
    50: '#786f4a',
    500: '#403a03',
    950: '#000000',
  },
}

SCSS

$custom: #403a03;
$custom-light: #786f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#403a03",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 3
  },
  "hsl": {
    "h": 54.098,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.34406,
    "c": 0.07,
    "h": 102.7
  },
  "luminance": 0.04123
}

Semantic roles & 50–950 ramp

primary

#403A03

secondary

#1D2782

accent

#3EFF29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403A03

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

Preview Lab → · Contrast checker → · Palette generator →