#403B0F#403B0F

#403B0F is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.062 H 102.8°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#403B0F
RGB	rgb(64, 59, 15)
HSL	hsl(54, 62%, 15%)
HSV	hsv(54, 77%, 25%)
CMYK	cmyk(0%, 7.8%, 76.6%, 74.9%)
CIE-LAB	lab(24.49, -4.09, 26.91)
CIE-LCH	lch(24.49, 27.22, 98.63°)
OKLab	oklab(34.77% -0.0137 0.0605)
OKLCH	oklch(34.77% 0.062 102.8)
XYZ	xyz(3.7647, 4.2526, 1.0744)
Luminance	0.0425 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B0F #0F1440

analogous

#40220F #403B0F #2C400F

triadic

#403B0F #0F403B #3B0F40

tetradic

#403B0F #0F4022 #0F1440 #400F2C

square

#403B0F #0F4022 #0F1440 #400F2C

split-complementary

#403B0F #0F2C40 #220F40

monochromatic

#191706 #191706 #403B0F #72691B #A39626

Accessibility & contrast

On white

11.35

#403B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B0F

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B0F	#FFFFFF	#000000	##FFFFFF
##403B0F	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413909

Deuteranopia (green-blind)

#433B12

Tritanopia (blue-blind)

#453632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b0f;
/* rgb */ color: rgb(64, 59, 15);
/* oklch */ color: oklch(34.8% 0.062 102.8);

Tailwind

colors: {
  custom: {
    50: '#777050',
    500: '#403b0f',
    950: '#000000',
  },
}

SCSS

$custom: #403b0f;
$custom-light: #777050;
$custom-dark: #000000;

JSON

{
  "hex": "#403b0f",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 15
  },
  "hsl": {
    "h": 53.878,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34765,
    "c": 0.062,
    "h": 102.8
  },
  "luminance": 0.04252
}

Semantic roles & 50–950 ramp

primary

#403B0F

secondary

#30387A

accent

#53E543

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B0F

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

Preview Lab → · Contrast checker → · Palette generator →