#403C0E#403C0E

#403C0E is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.0% C 0.064 H 104.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#403C0E
RGB	rgb(64, 60, 14)
HSL	hsl(55, 64%, 15%)
HSV	hsv(55, 78%, 25%)
CMYK	cmyk(0%, 6.2%, 78.1%, 74.9%)
CIE-LAB	lab(24.81, -4.78, 27.72)
CIE-LCH	lch(24.81, 28.13, 99.79°)
OKLab	oklab(35.02% -0.0158 0.062)
OKLCH	oklch(35.02% 0.064 104.3)
XYZ	xyz(3.8096, 4.3536, 1.0550)
Luminance	0.0435 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C0E #0E1240

analogous

#40230E #403C0E #2B400E

triadic

#403C0E #0E403C #3C0E40

tetradic

#403C0E #0E4023 #0E1240 #400E2B

square

#403C0E #0E4023 #0E1240 #400E2B

split-complementary

#403C0E #0E2B40 #230E40

monochromatic

#191805 #191805 #403C0E #726B19 #A49A24

Accessibility & contrast

On white

11.23

#403C0E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#403C0E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C0E

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C0E	#FFFFFF	#000000	##FFFFFF
##403C0E	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#423A07

Deuteranopia (green-blind)

#433C11

Tritanopia (blue-blind)

#453733

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403c0e;
/* rgb */ color: rgb(64, 60, 14);
/* oklch */ color: oklch(35.0% 0.064 104.3);

Tailwind

colors: {
  custom: {
    50: '#777150',
    500: '#403c0e',
    950: '#000000',
  },
}

SCSS

$custom: #403c0e;
$custom-light: #777150;
$custom-dark: #000000;

JSON

{
  "hex": "#403c0e",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 14
  },
  "hsl": {
    "h": 55.2,
    "s": 64.103,
    "l": 15.294
  },
  "oklch": {
    "l": 0.35015,
    "c": 0.06395,
    "h": 104.3
  },
  "luminance": 0.04353
}

Semantic roles & 50–950 ramp

primary

#403C0E

secondary

#2F357B

accent

#4EE741

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403C0E

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

Preview Lab → · Contrast checker → · Palette generator →