#403C10#403C10

#403C10 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.0% C 0.062 H 104.1°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#403C10
RGB	rgb(64, 60, 16)
HSL	hsl(55, 60%, 16%)
HSV	hsv(55, 75%, 25%)
CMYK	cmyk(0%, 6.2%, 75%, 74.9%)
CIE-LAB	lab(24.83, -4.64, 26.76)
CIE-LCH	lch(24.83, 27.16, 99.85°)
OKLab	oklab(35.03% -0.0152 0.0603)
OKLCH	oklch(35.03% 0.062 104.1)
XYZ	xyz(3.8239, 4.3593, 1.1301)
Luminance	0.0436 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C10 #101440

analogous

#402410 #403C10 #2C4010

triadic

#403C10 #10403C #3C1040

tetradic

#403C10 #104024 #101440 #40102C

square

#403C10 #104024 #101440 #40102C

split-complementary

#403C10 #102C40 #241040

monochromatic

#181706 #181706 #403C10 #716A1C #A29828

Accessibility & contrast

On white

11.22

#403C10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C10

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C10	#FFFFFF	#000000	##FFFFFF
##403C10	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A0A

Deuteranopia (green-blind)

#433C13

Tritanopia (blue-blind)

#453733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c10;
/* rgb */ color: rgb(64, 60, 16);
/* oklch */ color: oklch(35.0% 0.062 104.1);

Tailwind

colors: {
  custom: {
    50: '#777151',
    500: '#403c10',
    950: '#000000',
  },
}

SCSS

$custom: #403c10;
$custom-light: #777151;
$custom-dark: #000000;

JSON

{
  "hex": "#403c10",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 16
  },
  "hsl": {
    "h": 55,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.35035,
    "c": 0.06222,
    "h": 104.1
  },
  "luminance": 0.04359
}

Semantic roles & 50–950 ramp

primary

#403C10

secondary

#32387A

accent

#52E345

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403C10

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

Preview Lab → · Contrast checker → · Palette generator →