#403B16#403B16

#403B16 is a dark, muted yellow. Relative luminance 0.043; OKLCH L 34.8% C 0.055 H 101.7°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#403B16
RGB	rgb(64, 59, 22)
HSL	hsl(53, 49%, 17%)
HSV	hsv(53, 66%, 25%)
CMYK	cmyk(0%, 7.8%, 65.6%, 74.9%)
CIE-LAB	lab(24.56, -3.53, 23.27)
CIE-LCH	lch(24.56, 23.54, 98.61°)
OKLab	oklab(34.85% -0.0111 0.054)
OKLCH	oklch(34.85% 0.055 101.7)
XYZ	xyz(3.8233, 4.2760, 1.3829)
Luminance	0.0428 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B16 #161B40

analogous

#402616 #403B16 #304016

triadic

#403B16 #16403B #3B1640

tetradic

#403B16 #164026 #161B40 #401630

square

#403B16 #164026 #161B40 #401630

split-complementary

#403B16 #163040 #261640

monochromatic

#171508 #171508 #403B16 #6E6526 #9B8F35

Accessibility & contrast

On white

11.32

#403B16 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#403B16 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B16

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B16	#FFFFFF	#000000	##FFFFFF
##403B16	1.00	11.32	1.86	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413912

Deuteranopia (green-blind)

#423B18

Tritanopia (blue-blind)

#453733

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b16;
/* rgb */ color: rgb(64, 59, 22);
/* oklch */ color: oklch(34.8% 0.055 101.7);

Tailwind

colors: {
  custom: {
    50: '#767055',
    500: '#403b16',
    950: '#000000',
  },
}

SCSS

$custom: #403b16;
$custom-light: #767055;
$custom-dark: #000000;

JSON

{
  "hex": "#403b16",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 22
  },
  "hsl": {
    "h": 52.857,
    "s": 48.837,
    "l": 16.863
  },
  "oklch": {
    "l": 0.34848,
    "c": 0.0551,
    "h": 101.7
  },
  "luminance": 0.04276
}

Semantic roles & 50–950 ramp

primary

#403B16

secondary

#3B4277

accent

#60D84F

background

#F7F6F4

surface

#EDECE8

border

#C8C7C4

text

#090703

muted

#7B7A78

Preview Lab

Preview with #403B16

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

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