#403F11#403F11

#403F11 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.8% C 0.065 H 108.1°. Best body text is #FFFFFF at 10.84:1 contrast (WCAG AA passes).

Color values

HEX	#403F11
RGB	rgb(64, 63, 17)
HSL	hsl(59, 58%, 16%)
HSV	hsv(59, 73%, 25%)
CMYK	cmyk(0%, 1.6%, 73.4%, 74.9%)
CIE-LAB	lab(25.82, -6.44, 27.30)
CIE-LCH	lch(25.82, 28.05, 103.27°)
OKLab	oklab(35.83% -0.0201 0.0617)
OKLCH	oklch(35.83% 0.065 108.1)
XYZ	xyz(3.9932, 4.6856, 1.2243)
Luminance	0.0469 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F11 #111240

analogous

#402711 #403F11 #294011

triadic

#403F11 #11403F #3F1140

tetradic

#403F11 #114027 #111240 #401129

square

#403F11 #114027 #111240 #401129

split-complementary

#403F11 #112940 #271140

monochromatic

#181806 #181806 #403F11 #706F1E #A19E2B

Accessibility & contrast

On white

10.84

#403F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F11

10.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F11	#FFFFFF	#000000	##FFFFFF
##403F11	1.00	10.84	1.94	10.84
#FFFFFF	10.84	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C0B

Deuteranopia (green-blind)

#453E14

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f11;
/* rgb */ color: rgb(64, 63, 17);
/* oklch */ color: oklch(35.8% 0.065 108.1);

Tailwind

colors: {
  custom: {
    50: '#777352',
    500: '#403f11',
    950: '#000000',
  },
}

SCSS

$custom: #403f11;
$custom-light: #777352;
$custom-dark: #000000;

JSON

{
  "hex": "#403f11",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 17
  },
  "hsl": {
    "h": 58.723,
    "s": 58.025,
    "l": 15.882
  },
  "oklch": {
    "l": 0.3583,
    "c": 0.06486,
    "h": 108.1
  },
  "luminance": 0.04685
}

Semantic roles & 50–950 ramp

primary

#403F11

secondary

#333579

accent

#4AE147

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #403F11

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

Preview Lab → · Contrast checker → · Palette generator →