#403C0F#403C0F

#403C0F is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.0% C 0.063 H 104.2°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#403C0F
RGB	rgb(64, 60, 15)
HSL	hsl(55, 62%, 15%)
HSV	hsv(55, 77%, 25%)
CMYK	cmyk(0%, 6.2%, 76.6%, 74.9%)
CIE-LAB	lab(24.82, -4.71, 27.25)
CIE-LCH	lch(24.82, 27.65, 99.81°)
OKLab	oklab(35.03% -0.0155 0.0612)
OKLCH	oklch(35.03% 0.063 104.2)
XYZ	xyz(3.8166, 4.3563, 1.0917)
Luminance	0.0436 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C0F #0F1340

analogous

#40230F #403C0F #2B400F

triadic

#403C0F #0F403C #3C0F40

tetradic

#403C0F #0F4023 #0F1340 #400F2B

square

#403C0F #0F4023 #0F1340 #400F2B

split-complementary

#403C0F #0F2B40 #230F40

monochromatic

#191706 #191706 #403C0F #726A1B #A39926

Accessibility & contrast

On white

11.22

#403C0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C0F

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C0F	#FFFFFF	#000000	##FFFFFF
##403C0F	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A09

Deuteranopia (green-blind)

#433C12

Tritanopia (blue-blind)

#453733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c0f;
/* rgb */ color: rgb(64, 60, 15);
/* oklch */ color: oklch(35.0% 0.063 104.2);

Tailwind

colors: {
  custom: {
    50: '#777150',
    500: '#403c0f',
    950: '#000000',
  },
}

SCSS

$custom: #403c0f;
$custom-light: #777150;
$custom-dark: #000000;

JSON

{
  "hex": "#403c0f",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 15
  },
  "hsl": {
    "h": 55.102,
    "s": 62.025,
    "l": 15.49
  },
  "oklch": {
    "l": 0.35025,
    "c": 0.06309,
    "h": 104.2
  },
  "luminance": 0.04356
}

Semantic roles & 50–950 ramp

primary

#403C0F

secondary

#30367A

accent

#50E543

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403C0F

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

Preview Lab → · Contrast checker → · Palette generator →