#403D04#403D04

#403D04 is a dark, moderate yellow. Relative luminance 0.044; OKLCH L 35.2% C 0.072 H 106.3°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#403D04
RGB	rgb(64, 61, 4)
HSL	hsl(57, 88%, 13%)
HSV	hsv(57, 94%, 25%)
CMYK	cmyk(0%, 4.7%, 93.8%, 74.9%)
CIE-LAB	lab(25.06, -5.96, 32.19)
CIE-LCH	lch(25.06, 32.74, 100.48°)
OKLab	oklab(35.2% -0.0203 0.0694)
OKLCH	oklch(35.2% 0.072 106.3)
XYZ	xyz(3.8052, 4.4364, 0.7707)
Luminance	0.0444 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D04 #040740

analogous

#401F04 #403D04 #254004

triadic

#403D04 #04403D #3D0440

tetradic

#403D04 #04401F #040740 #400425

square

#403D04 #04401F #040740 #400425

split-complementary

#403D04 #042540 #1F0440

monochromatic

#1D1B02 #1D1B02 #403D04 #7A7408 #B3AB0B

Accessibility & contrast

On white

11.13

#403D04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#403D04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D04

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D04	#FFFFFF	#000000	##FFFFFF
##403D04	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#433A00

Deuteranopia (green-blind)

#453C08

Tritanopia (blue-blind)

#463833

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #403d04;
/* rgb */ color: rgb(64, 61, 4);
/* oklch */ color: oklch(35.2% 0.072 106.3);

Tailwind

colors: {
  custom: {
    50: '#77724b',
    500: '#403d04',
    950: '#000000',
  },
}

SCSS

$custom: #403d04;
$custom-light: #77724b;
$custom-dark: #000000;

JSON

{
  "hex": "#403d04",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 4
  },
  "hsl": {
    "h": 57,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.35197,
    "c": 0.07229,
    "h": 106.3
  },
  "luminance": 0.04436
}

Semantic roles & 50–950 ramp

primary

#403D04

secondary

#1F2381

accent

#34FE29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403D04

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

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