#403F16#403F16

#403F16 is a dark, muted yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.060 H 107.8°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#403F16
RGB	rgb(64, 63, 22)
HSL	hsl(59, 49%, 17%)
HSV	hsv(59, 66%, 25%)
CMYK	cmyk(0%, 1.6%, 65.6%, 74.9%)
CIE-LAB	lab(25.87, -6.03, 24.74)
CIE-LCH	lch(25.87, 25.47, 103.70°)
OKLab	oklab(35.89% -0.0183 0.0571)
OKLCH	oklch(35.89% 0.06 107.8)
XYZ	xyz(4.0368, 4.7030, 1.4540)
Luminance	0.0470 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F16 #161740

analogous

#402A16 #403F16 #2C4016

triadic

#403F16 #16403F #3F1640

tetradic

#403F16 #16402A #161740 #40162C

square

#403F16 #16402A #161740 #40162C

split-complementary

#403F16 #162C40 #2A1640

monochromatic

#171608 #171608 #403F16 #6E6C26 #9B9935

Accessibility & contrast

On white

10.82

#403F16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F16

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F16	#FFFFFF	#000000	##FFFFFF
##403F16	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443C12

Deuteranopia (green-blind)

#453E18

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f16;
/* rgb */ color: rgb(64, 63, 22);
/* oklch */ color: oklch(35.9% 0.060 107.8);

Tailwind

colors: {
  custom: {
    50: '#767355',
    500: '#403f16',
    950: '#000000',
  },
}

SCSS

$custom: #403f16;
$custom-light: #767355;
$custom-dark: #000000;

JSON

{
  "hex": "#403f16",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 22
  },
  "hsl": {
    "h": 58.571,
    "s": 48.837,
    "l": 16.863
  },
  "oklch": {
    "l": 0.35888,
    "c": 0.05995,
    "h": 107.8
  },
  "luminance": 0.04703
}

Semantic roles & 50–950 ramp

primary

#403F16

secondary

#3B3C77

accent

#53D84F

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #403F16

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

Preview Lab → · Contrast checker → · Palette generator →