#40451A#40451A

#40451A is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.5% C 0.064 H 115.1°. Best body text is #FFFFFF at 10.08:1 contrast (WCAG AA passes).

Color values

HEX	#40451A
RGB	rgb(64, 69, 26)
HSL	hsl(67, 45%, 19%)
HSV	hsv(67, 62%, 27%)
CMYK	cmyk(7.2%, 0%, 62.3%, 72.9%)
CIE-LAB	lab(27.90, -9.31, 24.84)
CIE-LCH	lch(27.90, 26.52, 110.54°)
OKLab	oklab(37.52% -0.0271 0.0579)
OKLCH	oklch(37.52% 0.064 115.1)
XYZ	xyz(4.4290, 5.4209, 1.7901)
Luminance	0.0542 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40451A #1F1A45

analogous

#45341A #40451A #2A451A

triadic

#40451A #1A4045 #451A40

tetradic

#40451A #1A4534 #1F1A45 #451A2A

square

#40451A #1A4534 #1F1A45 #451A2A

split-complementary

#40451A #1A2A45 #341A45

monochromatic

#151608 #171909 #40451A #69712B #929E3B

Accessibility & contrast

On white

10.08

#40451A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#40451A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40451A

10.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40451A	#FFFFFF	#000000	##FFFFFF
##40451A	1.00	10.08	2.08	10.08
#FFFFFF	10.08	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4216

Deuteranopia (green-blind)

#4A421D

Tritanopia (blue-blind)

#44413C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40451a;
/* rgb */ color: rgb(64, 69, 26);
/* oklch */ color: oklch(37.5% 0.064 115.1);

Tailwind

colors: {
  custom: {
    50: '#767858',
    500: '#40451a',
    950: '#000000',
  },
}

SCSS

$custom: #40451a;
$custom-light: #767858;
$custom-dark: #000000;

JSON

{
  "hex": "#40451a",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 26
  },
  "hsl": {
    "h": 66.977,
    "s": 45.263,
    "l": 18.627
  },
  "oklch": {
    "l": 0.37524,
    "c": 0.06388,
    "h": 115.1
  },
  "luminance": 0.05421
}

Semantic roles & 50–950 ramp

primary

#40451A

secondary

#47407B

accent

#53D562

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080903

muted

#7B7B78

Preview Lab

Preview with #40451A

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

Preview Lab → · Contrast checker → · Palette generator →