#403D10#403D10

#403D10 is a dark, moderate yellow. Relative luminance 0.045; OKLCH L 35.3% C 0.063 H 105.5°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#403D10
RGB	rgb(64, 61, 16)
HSL	hsl(56, 60%, 16%)
HSV	hsv(56, 75%, 25%)
CMYK	cmyk(0%, 4.7%, 75%, 74.9%)
CIE-LAB	lab(25.15, -5.27, 27.10)
CIE-LCH	lch(25.15, 27.61, 101.00°)
OKLab	oklab(35.3% -0.0169 0.0611)
OKLCH	oklch(35.3% 0.063 105.5)
XYZ	xyz(3.8768, 4.4650, 1.1477)
Luminance	0.0447 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D10 #101340

analogous

#402510 #403D10 #2B4010

triadic

#403D10 #10403D #3D1040

tetradic

#403D10 #104025 #101340 #40102B

square

#403D10 #104025 #101340 #40102B

split-complementary

#403D10 #102B40 #251040

monochromatic

#181706 #181706 #403D10 #716C1C #A29A28

Accessibility & contrast

On white

11.09

#403D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D10

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D10	#FFFFFF	#000000	##FFFFFF
##403D10	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433B0A

Deuteranopia (green-blind)

#443D13

Tritanopia (blue-blind)

#453834

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #403d10;
/* rgb */ color: rgb(64, 61, 16);
/* oklch */ color: oklch(35.3% 0.063 105.5);

Tailwind

colors: {
  custom: {
    50: '#777251',
    500: '#403d10',
    950: '#000000',
  },
}

SCSS

$custom: #403d10;
$custom-light: #777251;
$custom-dark: #000000;

JSON

{
  "hex": "#403d10",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 16
  },
  "hsl": {
    "h": 56.25,
    "s": 60,
    "l": 15.686
  },
  "oklch": {
    "l": 0.35295,
    "c": 0.06336,
    "h": 105.5
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#403D10

secondary

#32367A

accent

#4FE345

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #403D10

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

Preview Lab → · Contrast checker → · Palette generator →