#40430A#40430A

#40430A is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.8% C 0.075 H 112.6°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#40430A
RGB	rgb(64, 67, 10)
HSL	hsl(63, 74%, 15%)
HSV	hsv(63, 85%, 26%)
CMYK	cmyk(4.5%, 0%, 85.1%, 73.7%)
CIE-LAB	lab(27.09, -9.30, 31.64)
CIE-LCH	lch(27.09, 32.98, 106.38°)
OKLab	oklab(36.83% -0.0289 0.0694)
OKLCH	oklch(36.83% 0.075 112.6)
XYZ	xyz(4.1764, 5.1263, 1.0566)
Luminance	0.0513 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40430A #0D0A43

analogous

#43290A #40430A #23430A

triadic

#40430A #0A4043 #430A40

tetradic

#40430A #0A4329 #0D0A43 #430A23

square

#40430A #0A4329 #0D0A43 #430A23

split-complementary

#40430A #0A2343 #290A43

monochromatic

#191B04 #191B04 #40430A #737812 #A6AE1A

Accessibility & contrast

On white

10.37

#40430A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#40430A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40430A

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40430A	#FFFFFF	#000000	##FFFFFF
##40430A	1.00	10.37	2.03	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F01

Deuteranopia (green-blind)

#49410F

Tritanopia (blue-blind)

#453E38

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40430a;
/* rgb */ color: rgb(64, 67, 10);
/* oklch */ color: oklch(36.8% 0.075 112.6);

Tailwind

colors: {
  custom: {
    50: '#77774f',
    500: '#40430a',
    950: '#000000',
  },
}

SCSS

$custom: #40430a;
$custom-light: #77774f;
$custom-dark: #000000;

JSON

{
  "hex": "#40430a",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 10
  },
  "hsl": {
    "h": 63.158,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.36829,
    "c": 0.07518,
    "h": 112.6
  },
  "luminance": 0.05126
}

Semantic roles & 50–950 ramp

primary

#40430A

secondary

#2D2980

accent

#37F141

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40430A

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

Preview Lab → · Contrast checker → · Palette generator →