#403C17#403C17

#403C17 is a dark, muted yellow. Relative luminance 0.044; OKLCH L 35.1% C 0.055 H 103.2°. Best body text is #FFFFFF at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#403C17
RGB	rgb(64, 60, 23)
HSL	hsl(54, 47%, 17%)
HSV	hsv(54, 64%, 25%)
CMYK	cmyk(0%, 6.2%, 64.1%, 74.9%)
CIE-LAB	lab(24.90, -4.06, 23.09)
CIE-LCH	lch(24.90, 23.45, 99.98°)
OKLab	oklab(35.12% -0.0126 0.0537)
OKLCH	oklch(35.12% 0.055 103.2)
XYZ	xyz(3.8850, 4.3837, 1.4519)
Luminance	0.0438 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C17 #171B40

analogous

#402817 #403C17 #304017

triadic

#403C17 #17403C #3C1740

tetradic

#403C17 #174028 #171B40 #401730

square

#403C17 #174028 #171B40 #401730

split-complementary

#403C17 #173040 #281740

monochromatic

#171508 #171508 #403C17 #6D6627 #9A9037

Accessibility & contrast

On white

11.19

#403C17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#403C17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C17

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C17	#FFFFFF	#000000	##FFFFFF
##403C17	1.00	11.19	1.88	11.19
#FFFFFF	11.19	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413A13

Deuteranopia (green-blind)

#433C19

Tritanopia (blue-blind)

#453834

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c17;
/* rgb */ color: rgb(64, 60, 23);
/* oklch */ color: oklch(35.1% 0.055 103.2);

Tailwind

colors: {
  custom: {
    50: '#767155',
    500: '#403c17',
    950: '#000000',
  },
}

SCSS

$custom: #403c17;
$custom-light: #767155;
$custom-dark: #000000;

JSON

{
  "hex": "#403c17",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 23
  },
  "hsl": {
    "h": 54.146,
    "s": 47.126,
    "l": 17.059
  },
  "oklch": {
    "l": 0.3512,
    "c": 0.05516,
    "h": 103.2
  },
  "luminance": 0.04384
}

Semantic roles & 50–950 ramp

primary

#403C17

secondary

#3C4277

accent

#5ED751

background

#F7F6F5

surface

#EDECE9

border

#C8C7C5

text

#090703

muted

#7B7A78

Preview Lab

Preview with #403C17

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

Preview Lab → · Contrast checker → · Palette generator →