#403F05#403F05

#403F05 is a dark, moderate yellow. Relative luminance 0.047; OKLCH L 35.7% C 0.074 H 108.6°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#403F05
RGB	rgb(64, 63, 5)
HSL	hsl(59, 86%, 14%)
HSV	hsv(59, 92%, 25%)
CMYK	cmyk(0%, 1.6%, 92.2%, 74.9%)
CIE-LAB	lab(25.73, -7.14, 32.41)
CIE-LCH	lch(25.73, 33.19, 102.42°)
OKLab	oklab(35.73% -0.0235 0.0699)
OKLCH	oklch(35.73% 0.074 108.6)
XYZ	xyz(3.9194, 4.6561, 0.8358)
Luminance	0.0466 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403F05 #050640

analogous

#402105 #403F05 #234005

triadic

#403F05 #05403F #3F0540

tetradic

#403F05 #054021 #050640 #400523

square

#403F05 #054021 #050640 #400523

split-complementary

#403F05 #052340 #210540

monochromatic

#1C1C02 #1C1C02 #403F05 #797709 #B2AF0E

Accessibility & contrast

On white

10.87

#403F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#403F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403F05

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403F05	#FFFFFF	#000000	##FFFFFF
##403F05	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453C00

Deuteranopia (green-blind)

#463E0A

Tritanopia (blue-blind)

#453A35

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #403f05;
/* rgb */ color: rgb(64, 63, 5);
/* oklch */ color: oklch(35.7% 0.074 108.6);

Tailwind

colors: {
  custom: {
    50: '#77734b',
    500: '#403f05',
    950: '#000000',
  },
}

SCSS

$custom: #403f05;
$custom-light: #77734b;
$custom-dark: #000000;

JSON

{
  "hex": "#403f05",
  "rgb": {
    "r": 64,
    "g": 63,
    "b": 5
  },
  "hsl": {
    "h": 58.983,
    "s": 85.507,
    "l": 13.529
  },
  "oklch": {
    "l": 0.35731,
    "c": 0.07377,
    "h": 108.6
  },
  "luminance": 0.04656
}

Semantic roles & 50–950 ramp

primary

#403F05

secondary

#202281

accent

#30FC2C

background

#F7F6F4

surface

#EDECE7

border

#C8C7C3

text

#090801

muted

#7B7B77

Preview Lab

Preview with #403F05

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

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