#403B09#403B09

#403B09 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.067 H 103.4°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#403B09
RGB	rgb(64, 59, 9)
HSL	hsl(55, 75%, 14%)
HSV	hsv(55, 86%, 25%)
CMYK	cmyk(0%, 7.8%, 85.9%, 74.9%)
CIE-LAB	lab(24.44, -4.44, 29.56)
CIE-LCH	lch(24.44, 29.89, 98.55°)
OKLab	oklab(34.71% -0.0155 0.0648)
OKLCH	oklch(34.71% 0.067 103.4)
XYZ	xyz(3.7278, 4.2378, 0.8800)
Luminance	0.0424 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B09 #090E40

analogous

#402009 #403B09 #2A4009

triadic

#403B09 #09403B #3B0940

tetradic

#403B09 #094020 #090E40 #40092A

square

#403B09 #094020 #090E40 #40092A

split-complementary

#403B09 #092A40 #200940

monochromatic

#1B1904 #1B1904 #403B09 #766C11 #AB9E18

Accessibility & contrast

On white

11.37

#403B09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B09

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B09	#FFFFFF	#000000	##FFFFFF
##403B09	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413902

Deuteranopia (green-blind)

#433B0D

Tritanopia (blue-blind)

#463632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b09;
/* rgb */ color: rgb(64, 59, 9);
/* oklch */ color: oklch(34.7% 0.067 103.4);

Tailwind

colors: {
  custom: {
    50: '#77704d',
    500: '#403b09',
    950: '#000000',
  },
}

SCSS

$custom: #403b09;
$custom-light: #77704d;
$custom-dark: #000000;

JSON

{
  "hex": "#403b09",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 9
  },
  "hsl": {
    "h": 54.545,
    "s": 75.342,
    "l": 14.314
  },
  "oklch": {
    "l": 0.34713,
    "c": 0.06663,
    "h": 103.4
  },
  "luminance": 0.04238
}

Semantic roles & 50–950 ramp

primary

#403B09

secondary

#272F7E

accent

#47F236

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B09

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

Preview Lab → · Contrast checker → · Palette generator →