#403E18#403E18

#403E18 is a dark, muted yellow. Relative luminance 0.046; OKLCH L 35.7% C 0.056 H 106.2°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#403E18
RGB	rgb(64, 62, 24)
HSL	hsl(57, 45%, 17%)
HSV	hsv(57, 63%, 25%)
CMYK	cmyk(0%, 3.1%, 62.5%, 74.9%)
CIE-LAB	lab(25.57, -5.22, 23.29)
CIE-LCH	lch(25.57, 23.87, 102.64°)
OKLab	oklab(35.65% -0.0157 0.0543)
OKLCH	oklch(35.65% 0.056 106.2)
XYZ	xyz(4.0020, 4.6013, 1.5413)
Luminance	0.0460 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E18 #181A40

analogous

#402A18 #403E18 #2E4018

triadic

#403E18 #18403E #3E1840

tetradic

#403E18 #18402A #181A40 #40182E

square

#403E18 #18402A #181A40 #40182E

split-complementary

#403E18 #182E40 #2A1840

monochromatic

#161608 #161608 #403E18 #6D6929 #999439

Accessibility & contrast

On white

10.94

#403E18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#403E18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E18

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E18	#FFFFFF	#000000	##FFFFFF
##403E18	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433C14

Deuteranopia (green-blind)

#443D1A

Tritanopia (blue-blind)

#453A36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403e18;
/* rgb */ color: rgb(64, 62, 24);
/* oklch */ color: oklch(35.7% 0.056 106.2);

Tailwind

colors: {
  custom: {
    50: '#767356',
    500: '#403e18',
    950: '#000000',
  },
}

SCSS

$custom: #403e18;
$custom-light: #767356;
$custom-dark: #000000;

JSON

{
  "hex": "#403e18",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 24
  },
  "hsl": {
    "h": 57,
    "s": 45.455,
    "l": 17.255
  },
  "oklch": {
    "l": 0.35653,
    "c": 0.05649,
    "h": 106.2
  },
  "luminance": 0.04601
}

Semantic roles & 50–950 ramp

primary

#403E18

secondary

#3D4077

accent

#59D553

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #403E18

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

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