#403A0B#403A0B

#403A0B is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.5% C 0.064 H 101.8°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#403A0B
RGB	rgb(64, 58, 11)
HSL	hsl(53, 71%, 15%)
HSV	hsv(53, 83%, 25%)
CMYK	cmyk(0%, 9.4%, 82.8%, 74.9%)
CIE-LAB	lab(24.13, -3.70, 28.42)
CIE-LCH	lch(24.13, 28.66, 97.42°)
OKLab	oklab(34.47% -0.0131 0.0628)
OKLCH	oklch(34.47% 0.064 101.8)
XYZ	xyz(3.6880, 4.1404, 0.9215)
Luminance	0.0414 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A0B #0B1140

analogous

#40200B #403A0B #2B400B

triadic

#403A0B #0B403A #3A0B40

tetradic

#403A0B #0B4020 #0B1140 #400B2B

square

#403A0B #0B4020 #0B1140 #400B2B

split-complementary

#403A0B #0B2B40 #200B40

monochromatic

#1A1804 #1A1804 #403A0B #746914 #A8991D

Accessibility & contrast

On white

11.49

#403A0B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#403A0B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A0B

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A0B	#FFFFFF	#000000	##FFFFFF
##403A0B	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403804

Deuteranopia (green-blind)

#423A0E

Tritanopia (blue-blind)

#463531

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403a0b;
/* rgb */ color: rgb(64, 58, 11);
/* oklch */ color: oklch(34.5% 0.064 101.8);

Tailwind

colors: {
  custom: {
    50: '#776f4e',
    500: '#403a0b',
    950: '#000000',
  },
}

SCSS

$custom: #403a0b;
$custom-light: #776f4e;
$custom-dark: #000000;

JSON

{
  "hex": "#403a0b",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 11
  },
  "hsl": {
    "h": 53.208,
    "s": 70.667,
    "l": 14.706
  },
  "oklch": {
    "l": 0.34469,
    "c": 0.06417,
    "h": 101.8
  },
  "luminance": 0.0414
}

Semantic roles & 50–950 ramp

primary

#403A0B

secondary

#2A337D

accent

#4FED3A

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403A0B

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

Preview Lab → · Contrast checker → · Palette generator →