#403A10#403A10

#403A10 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.5% C 0.060 H 101.1°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#403A10
RGB	rgb(64, 58, 16)
HSL	hsl(53, 60%, 16%)
HSV	hsv(53, 75%, 25%)
CMYK	cmyk(0%, 9.4%, 75%, 74.9%)
CIE-LAB	lab(24.17, -3.38, 26.08)
CIE-LCH	lch(24.17, 26.30, 97.39°)
OKLab	oklab(34.52% -0.0116 0.0589)
OKLCH	oklch(34.52% 0.06 101.1)
XYZ	xyz(3.7211, 4.1537, 1.0958)
Luminance	0.0415 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A10 #101640

analogous

#402210 #403A10 #2E4010

triadic

#403A10 #10403A #3A1040

tetradic

#403A10 #104022 #101640 #40102E

square

#403A10 #104022 #101640 #40102E

split-complementary

#403A10 #102E40 #221040

monochromatic

#181606 #181606 #403A10 #71661C #A29328

Accessibility & contrast

On white

11.47

#403A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#403A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A10

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A10	#FFFFFF	#000000	##FFFFFF
##403A10	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#40380B

Deuteranopia (green-blind)

#423B12

Tritanopia (blue-blind)

#453531

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403a10;
/* rgb */ color: rgb(64, 58, 16);
/* oklch */ color: oklch(34.5% 0.060 101.1);

Tailwind

colors: {
  custom: {
    50: '#776f51',
    500: '#403a10',
    950: '#000000',
  },
}

SCSS

$custom: #403a10;
$custom-light: #776f51;
$custom-dark: #000000;

JSON

{
  "hex": "#403a10",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 16
  },
  "hsl": {
    "h": 52.5,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.34517,
    "c": 0.06003,
    "h": 101.1
  },
  "luminance": 0.04154
}

Semantic roles & 50–950 ramp

primary

#403A10

secondary

#323B7A

accent

#58E345

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403A10

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

Preview Lab → · Contrast checker → · Palette generator →