#403F17#403F17

#403F17 is a dark, muted yellow. Relative luminance 0.047; OKLCH L 35.9% C 0.059 H 107.7°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#403F17
RGB	rgb(64, 63, 23)
HSL	hsl(59, 47%, 17%)
HSV	hsv(59, 64%, 25%)
CMYK	cmyk(0%, 1.6%, 64.1%, 74.9%)
CIE-LAB	lab(25.88, -5.94, 24.21)
CIE-LCH	lch(25.88, 24.92, 103.79°)
OKLab	oklab(35.9% -0.0179 0.0561)
OKLCH	oklch(35.9% 0.059 107.7)
XYZ	xyz(4.0466, 4.7070, 1.5058)
Luminance	0.0471 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F17 #171840

analogous

#402B17 #403F17 #2D4017

triadic

#403F17 #17403F #3F1740

tetradic

#403F17 #17402B #171840 #40172D

square

#403F17 #17402B #171840 #40172D

split-complementary

#403F17 #172D40 #2B1740

monochromatic

#171608 #171608 #403F17 #6D6B27 #9A9837

Accessibility & contrast

On white

10.82

#403F17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#403F17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F17

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F17	#FFFFFF	#000000	##FFFFFF
##403F17	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)

#443C13

Deuteranopia (green-blind)

#453E19

Tritanopia (blue-blind)

#453B36

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f17;
/* rgb */ color: rgb(64, 63, 23);
/* oklch */ color: oklch(35.9% 0.059 107.7);

Tailwind

colors: {
  custom: {
    50: '#767356',
    500: '#403f17',
    950: '#000000',
  },
}

SCSS

$custom: #403f17;
$custom-light: #767356;
$custom-dark: #000000;

JSON

{
  "hex": "#403f17",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 23
  },
  "hsl": {
    "h": 58.537,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.35901,
    "c": 0.05889,
    "h": 107.7
  },
  "luminance": 0.04707
}

Semantic roles & 50–950 ramp

primary

#403F17

secondary

#3C3D77

accent

#54D751

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #403F17

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

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