#40430C#40430C

#40430C is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.8% C 0.074 H 112.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#40430C
RGB	rgb(64, 67, 12)
HSL	hsl(63, 70%, 15%)
HSV	hsv(63, 82%, 26%)
CMYK	cmyk(4.5%, 0%, 82.1%, 73.7%)
CIE-LAB	lab(27.10, -9.19, 30.85)
CIE-LCH	lch(27.10, 32.20, 106.59°)
OKLab	oklab(36.84% -0.0284 0.0682)
OKLCH	oklch(36.84% 0.074 112.6)
XYZ	xyz(4.1880, 5.1309, 1.1175)
Luminance	0.0513 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40430C #0F0C43

analogous

#432A0C #40430C #24430C

triadic

#40430C #0C4043 #430C40

tetradic

#40430C #0C432A #0F0C43 #430C24

square

#40430C #0C432A #0F0C43 #430C24

split-complementary

#40430C #0C2443 #2A0C43

monochromatic

#191A05 #191A05 #40430C #727715 #A3AB1F

Accessibility & contrast

On white

10.36

#40430C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#40430C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40430C

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40430C	#FFFFFF	#000000	##FFFFFF
##40430C	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#493F03

Deuteranopia (green-blind)

#494110

Tritanopia (blue-blind)

#453E38

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40430c;
/* rgb */ color: rgb(64, 67, 12);
/* oklch */ color: oklch(36.8% 0.074 112.6);

Tailwind

colors: {
  custom: {
    50: '#777750',
    500: '#40430c',
    950: '#000000',
  },
}

SCSS

$custom: #40430c;
$custom-light: #777750;
$custom-dark: #000000;

JSON

{
  "hex": "#40430c",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 12
  },
  "hsl": {
    "h": 63.273,
    "s": 69.62,
    "l": 15.49
  },
  "oklch": {
    "l": 0.36844,
    "c": 0.07384,
    "h": 112.6
  },
  "luminance": 0.05131
}

Semantic roles & 50–950 ramp

primary

#40430C

secondary

#302C7F

accent

#3BEC45

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40430C

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

Preview Lab → · Contrast checker → · Palette generator →