#403B05#403B05

#403B05 is a dark, moderate yellow. Relative luminance 0.042; OKLCH L 34.7% C 0.070 H 103.8°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#403B05
RGB	rgb(64, 59, 5)
HSL	hsl(55, 86%, 14%)
HSV	hsv(55, 92%, 25%)
CMYK	cmyk(0%, 7.8%, 92.2%, 74.9%)
CIE-LAB	lab(24.41, -4.65, 31.16)
CIE-LCH	lch(24.41, 31.50, 98.50°)
OKLab	oklab(34.68% -0.0166 0.0675)
OKLCH	oklch(34.68% 0.07 103.8)
XYZ	xyz(3.7059, 4.2290, 0.7646)
Luminance	0.0423 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B05 #050A40

analogous

#401D05 #403B05 #274005

triadic

#403B05 #05403B #3B0540

tetradic

#403B05 #05401D #050A40 #400527

square

#403B05 #05401D #050A40 #400527

split-complementary

#403B05 #052740 #1D0540

monochromatic

#1C1A02 #1C1A02 #403B05 #796F09 #B2A40E

Accessibility & contrast

On white

11.38

#403B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#403B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B05

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B05	#FFFFFF	#000000	##FFFFFF
##403B05	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413900

Deuteranopia (green-blind)

#433B09

Tritanopia (blue-blind)

#463631

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #403b05;
/* rgb */ color: rgb(64, 59, 5);
/* oklch */ color: oklch(34.7% 0.070 103.8);

Tailwind

colors: {
  custom: {
    50: '#77704b',
    500: '#403b05',
    950: '#000000',
  },
}

SCSS

$custom: #403b05;
$custom-light: #77704b;
$custom-dark: #000000;

JSON

{
  "hex": "#403b05",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 5
  },
  "hsl": {
    "h": 54.915,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.34681,
    "c": 0.0695,
    "h": 103.8
  },
  "luminance": 0.04229
}

Semantic roles & 50–950 ramp

primary

#403B05

secondary

#202881

accent

#3EFC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090701

muted

#7B7A77

Preview Lab

Preview with #403B05

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

Preview Lab → · Contrast checker → · Palette generator →