#403A04#403A04

#403A04 is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.4% C 0.069 H 102.6°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#403A04
RGB	rgb(64, 58, 4)
HSL	hsl(54, 88%, 13%)
HSV	hsv(54, 94%, 25%)
CMYK	cmyk(0%, 9.4%, 93.8%, 74.9%)
CIE-LAB	lab(24.08, -4.08, 31.24)
CIE-LCH	lch(24.08, 31.50, 97.44°)
OKLab	oklab(34.41% -0.0151 0.0676)
OKLCH	oklch(34.41% 0.069 102.6)
XYZ	xyz(3.6495, 4.1250, 0.7188)
Luminance	0.0413 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A04 #040A40

analogous

#401C04 #403A04 #284004

triadic

#403A04 #04403A #3A0440

tetradic

#403A04 #04401C #040A40 #400428

square

#403A04 #04401C #040A40 #400428

split-complementary

#403A04 #042840 #1C0440

monochromatic

#1D1A02 #1D1A02 #403A04 #7A6E08 #B3A20B

Accessibility & contrast

On white

11.51

#403A04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#403A04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A04

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A04	#FFFFFF	#000000	##FFFFFF
##403A04	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413800

Deuteranopia (green-blind)

#423A08

Tritanopia (blue-blind)

#463530

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #403a04;
/* rgb */ color: rgb(64, 58, 4);
/* oklch */ color: oklch(34.4% 0.069 102.6);

Tailwind

colors: {
  custom: {
    50: '#786f4a',
    500: '#403a04',
    950: '#000000',
  },
}

SCSS

$custom: #403a04;
$custom-light: #786f4a;
$custom-dark: #000000;

JSON

{
  "hex": "#403a04",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 4
  },
  "hsl": {
    "h": 54,
    "s": 88.235,
    "l": 13.333
  },
  "oklch": {
    "l": 0.34414,
    "c": 0.06925,
    "h": 102.6
  },
  "luminance": 0.04125
}

Semantic roles & 50–950 ramp

primary

#403A04

secondary

#1F2881

accent

#3FFE29

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403A04

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

Preview Lab → · Contrast checker → · Palette generator →