#403403#403403

#403403 is a dark, moderate yellow. Relative luminance 0.036; OKLCH L 32.9% C 0.065 H 94.1°. Best body text is #FFFFFF at 12.28:1 contrast (WCAG AA passes).

Color values

HEX	#403403
RGB	rgb(64, 52, 3)
HSL	hsl(48, 91%, 13%)
HSV	hsv(48, 95%, 25%)
CMYK	cmyk(0%, 18.8%, 95.3%, 74.9%)
CIE-LAB	lab(22.13, -0.29, 29.65)
CIE-LCH	lch(22.13, 29.65, 90.56°)
OKLab	oklab(32.87% -0.0046 0.0648)
OKLCH	oklch(32.87% 0.065 94.1)
XYZ	xyz(3.3590, 3.5528, 0.5950)
Luminance	0.0355 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403403 #030F40

analogous

#401503 #403403 #2D4003

triadic

#403403 #034034 #340340

tetradic

#403403 #034015 #030F40 #40032D

square

#403403 #034015 #030F40 #40032D

split-complementary

#403403 #032D40 #150340

monochromatic

#1D1801 #1D1801 #403403 #7A6306 #B59308

Accessibility & contrast

On white

12.28

#403403 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#403403 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403403

12.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403403	#FFFFFF	#000000	##FFFFFF
##403403	1.00	12.28	1.71	12.28
#FFFFFF	12.28	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3300

Deuteranopia (green-blind)

#3E3606

Tritanopia (blue-blind)

#462F2B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #403403;
/* rgb */ color: rgb(64, 52, 3);
/* oklch */ color: oklch(32.9% 0.065 94.1);

Tailwind

colors: {
  custom: {
    50: '#786b49',
    500: '#403403',
    950: '#000000',
  },
}

SCSS

$custom: #403403;
$custom-light: #786b49;
$custom-dark: #000000;

JSON

{
  "hex": "#403403",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 3
  },
  "hsl": {
    "h": 48.197,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32868,
    "c": 0.06498,
    "h": 94.1
  },
  "luminance": 0.03553
}

Semantic roles & 50–950 ramp

primary

#403403

secondary

#1D3182

accent

#53FF29

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #403403

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

Preview Lab → · Contrast checker → · Palette generator →