#403B11#403B11

#403B11 is a dark, moderate yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.060 H 102.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#403B11
RGB	rgb(64, 59, 17)
HSL	hsl(54, 58%, 16%)
HSV	hsv(54, 73%, 25%)
CMYK	cmyk(0%, 7.8%, 73.4%, 74.9%)
CIE-LAB	lab(24.51, -3.94, 25.92)
CIE-LCH	lch(24.51, 26.22, 98.65°)
OKLab	oklab(34.79% -0.013 0.0588)
OKLCH	oklch(34.79% 0.06 102.5)
XYZ	xyz(3.7796, 4.2585, 1.1531)
Luminance	0.0426 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B11 #111640

analogous

#402311 #403B11 #2D4011

triadic

#403B11 #11403B #3B1140

tetradic

#403B11 #114023 #111640 #40112D

square

#403B11 #114023 #111640 #40112D

split-complementary

#403B11 #112D40 #231140

monochromatic

#181606 #181606 #403B11 #70681E #A1942B

Accessibility & contrast

On white

11.34

#403B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B11

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B11	#FFFFFF	#000000	##FFFFFF
##403B11	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#41390C

Deuteranopia (green-blind)

#423B13

Tritanopia (blue-blind)

#453632

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b11;
/* rgb */ color: rgb(64, 59, 17);
/* oklch */ color: oklch(34.8% 0.060 102.5);

Tailwind

colors: {
  custom: {
    50: '#777051',
    500: '#403b11',
    950: '#000000',
  },
}

SCSS

$custom: #403b11;
$custom-light: #777051;
$custom-dark: #000000;

JSON

{
  "hex": "#403b11",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 17
  },
  "hsl": {
    "h": 53.617,
    "s": 58.025,
    "l": 15.882
  },
  "oklch": {
    "l": 0.34786,
    "c": 0.06018,
    "h": 102.5
  },
  "luminance": 0.04258
}

Semantic roles & 50–950 ramp

primary

#403B11

secondary

#333B79

accent

#57E147

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403B11

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

Preview Lab → · Contrast checker → · Palette generator →