#403D03#403D03

#403D03 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.073 H 106.4°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#403D03
RGB	rgb(64, 61, 3)
HSL	hsl(57, 91%, 13%)
HSV	hsv(57, 95%, 25%)
CMYK	cmyk(0%, 4.7%, 95.3%, 74.9%)
CIE-LAB	lab(25.06, -6.01, 32.59)
CIE-LCH	lch(25.06, 33.14, 100.45°)
OKLab	oklab(35.19% -0.0206 0.0701)
OKLCH	oklch(35.19% 0.073 106.4)
XYZ	xyz(3.7997, 4.4342, 0.7419)
Luminance	0.0443 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D03 #030640

analogous

#401E03 #403D03 #244003

triadic

#403D03 #03403D #3D0340

tetradic

#403D03 #03401E #030640 #400324

square

#403D03 #03401E #030640 #400324

split-complementary

#403D03 #032440 #1E0340

monochromatic

#1D1C01 #1D1C01 #403D03 #7A7506 #B5AC08

Accessibility & contrast

On white

11.13

#403D03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403D03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D03

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D03	#FFFFFF	#000000	##FFFFFF
##403D03	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#453C08

Tritanopia (blue-blind)

#463833

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403d03;
/* rgb */ color: rgb(64, 61, 3);
/* oklch */ color: oklch(35.2% 0.073 106.4);

Tailwind

colors: {
  custom: {
    50: '#78724a',
    500: '#403d03',
    950: '#000000',
  },
}

SCSS

$custom: #403d03;
$custom-light: #78724a;
$custom-dark: #000000;

JSON

{
  "hex": "#403d03",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 3
  },
  "hsl": {
    "h": 57.049,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.35189,
    "c": 0.07302,
    "h": 106.4
  },
  "luminance": 0.04434
}

Semantic roles & 50–950 ramp

primary

#403D03

secondary

#1D2282

accent

#33FF29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403D03

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

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