#403810#403810

#403810 is a dark, muted yellow. Relative luminance 0.040; OKLCH L 34.0% C 0.058 H 97.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#403810
RGB	rgb(64, 56, 16)
HSL	hsl(50, 60%, 16%)
HSV	hsv(50, 75%, 25%)
CMYK	cmyk(0%, 12.5%, 75%, 74.9%)
CIE-LAB	lab(23.53, -2.11, 25.40)
CIE-LCH	lch(23.53, 25.49, 94.74°)
OKLab	oklab(34% -0.0079 0.0575)
OKLCH	oklch(34% 0.058 97.9)
XYZ	xyz(3.6222, 3.9559, 1.0629)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403810 #101840

analogous

#402010 #403810 #304010

triadic

#403810 #104038 #381040

tetradic

#403810 #104020 #101840 #401030

square

#403810 #104020 #101840 #401030

split-complementary

#403810 #103040 #201040

monochromatic

#181506 #181506 #403810 #71631C #A28E28

Accessibility & contrast

On white

11.72

#403810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#403810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403810

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403810	#FFFFFF	#000000	##FFFFFF
##403810	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E360B

Deuteranopia (green-blind)

#403912

Tritanopia (blue-blind)

#463330

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #403810;
/* rgb */ color: rgb(64, 56, 16);
/* oklch */ color: oklch(34.0% 0.058 97.9);

Tailwind

colors: {
  custom: {
    50: '#776e50',
    500: '#403810',
    950: '#000000',
  },
}

SCSS

$custom: #403810;
$custom-light: #776e50;
$custom-dark: #000000;

JSON

{
  "hex": "#403810",
  "rgb": {
    "r": 64,
    "g": 56,
    "b": 16
  },
  "hsl": {
    "h": 50,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.34003,
    "c": 0.05801,
    "h": 97.9
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#403810

secondary

#323E7A

accent

#5FE345

background

#F7F6F4

surface

#EDEBE7

border

#C8C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403810

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

Preview Lab → · Contrast checker → · Palette generator →