#403B0A#403B0A

#403B0A is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.066 H 103.3°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#403B0A
RGB	rgb(64, 59, 10)
HSL	hsl(54, 73%, 15%)
HSV	hsv(54, 84%, 25%)
CMYK	cmyk(0%, 7.8%, 84.4%, 74.9%)
CIE-LAB	lab(24.45, -4.39, 29.15)
CIE-LCH	lch(24.45, 29.48, 98.56°)
OKLab	oklab(34.72% -0.0152 0.0642)
OKLCH	oklch(34.72% 0.066 103.3)
XYZ	xyz(3.7333, 4.2400, 0.9089)
Luminance	0.0424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B0A #0A0F40

analogous

#40200A #403B0A #2A400A

triadic

#403B0A #0A403B #3B0A40

tetradic

#403B0A #0A4020 #0A0F40 #400A2A

square

#403B0A #0A4020 #0A0F40 #400A2A

split-complementary

#403B0A #0A2A40 #200A40

monochromatic

#1A1804 #1A1804 #403B0A #756C12 #AA9D1B

Accessibility & contrast

On white

11.36

#403B0A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B0A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B0A

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B0A	#FFFFFF	#000000	##FFFFFF
##403B0A	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413903

Deuteranopia (green-blind)

#433B0E

Tritanopia (blue-blind)

#463632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b0a;
/* rgb */ color: rgb(64, 59, 10);
/* oklch */ color: oklch(34.7% 0.066 103.3);

Tailwind

colors: {
  custom: {
    50: '#77704d',
    500: '#403b0a',
    950: '#000000',
  },
}

SCSS

$custom: #403b0a;
$custom-light: #77704d;
$custom-dark: #000000;

JSON

{
  "hex": "#403b0a",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 10
  },
  "hsl": {
    "h": 54.444,
    "s": 72.973,
    "l": 14.51
  },
  "oklch": {
    "l": 0.3472,
    "c": 0.06593,
    "h": 103.3
  },
  "luminance": 0.0424
}

Semantic roles & 50–950 ramp

primary

#403B0A

secondary

#29307D

accent

#49F038

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B0A

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

Preview Lab → · Contrast checker → · Palette generator →