#40430D#40430D

#40430D is a dark, moderate yellow. Relative luminance 0.051; OKLCH L 36.9% C 0.073 H 112.6°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#40430D
RGB	rgb(64, 67, 13)
HSL	hsl(63, 68%, 16%)
HSV	hsv(63, 81%, 26%)
CMYK	cmyk(4.5%, 0%, 80.6%, 73.7%)
CIE-LAB	lab(27.11, -9.14, 30.44)
CIE-LCH	lch(27.11, 31.78, 106.71°)
OKLab	oklab(36.85% -0.0282 0.0675)
OKLCH	oklch(36.85% 0.073 112.6)
XYZ	xyz(4.1943, 5.1335, 1.1506)
Luminance	0.0513 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40430D #100D43

analogous

#432B0D #40430D #25430D

triadic

#40430D #0D4043 #430D40

tetradic

#40430D #0D432B #100D43 #430D25

square

#40430D #0D432B #100D43 #430D25

split-complementary

#40430D #0D2543 #2B0D43

monochromatic

#181A05 #181A05 #40430D #717617 #A2AA21

Accessibility & contrast

On white

10.36

#40430D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#40430D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40430D

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40430D	#FFFFFF	#000000	##FFFFFF
##40430D	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)

#493F04

Deuteranopia (green-blind)

#494111

Tritanopia (blue-blind)

#453E39

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40430d;
/* rgb */ color: rgb(64, 67, 13);
/* oklch */ color: oklch(36.9% 0.073 112.6);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#40430d",
  "rgb": {
    "r": 64,
    "g": 67,
    "b": 13
  },
  "hsl": {
    "h": 63.333,
    "s": 67.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.36852,
    "c": 0.07313,
    "h": 112.6
  },
  "luminance": 0.05133
}

Semantic roles & 50–950 ramp

primary

#40430D

secondary

#322D7E

accent

#3DEA47

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40430D

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

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