#40450A#40450A

#40450A is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.4% C 0.078 H 114.5°. Best body text is #FFFFFF at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#40450A
RGB	rgb(64, 69, 10)
HSL	hsl(65, 75%, 15%)
HSV	hsv(65, 86%, 27%)
CMYK	cmyk(7.2%, 0%, 85.5%, 72.9%)
CIE-LAB	lab(27.76, -10.49, 32.25)
CIE-LCH	lch(27.76, 33.92, 108.02°)
OKLab	oklab(37.36% -0.0322 0.0707)
OKLCH	oklch(37.36% 0.078 114.5)
XYZ	xyz(4.2974, 5.3682, 1.0969)
Luminance	0.0537 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40450A #0F0A45

analogous

#452C0A #40450A #22450A

triadic

#40450A #0A4045 #450A40

tetradic

#40450A #0A452C #0F0A45 #450A22

square

#40450A #0A452C #0F0A45 #450A22

split-complementary

#40450A #0A2245 #2C0A45

monochromatic

#191B04 #191B04 #40450A #727A12 #A3B019

Accessibility & contrast

On white

10.13

#40450A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#40450A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40450A

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40450A	#FFFFFF	#000000	##FFFFFF
##40450A	1.00	10.13	2.07	10.13
#FFFFFF	10.13	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B4100

Deuteranopia (green-blind)

#4A420F

Tritanopia (blue-blind)

#45403A

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40450a;
/* rgb */ color: rgb(64, 69, 10);
/* oklch */ color: oklch(37.4% 0.078 114.5);

Tailwind

colors: {
  custom: {
    50: '#77784f',
    500: '#40450a',
    950: '#000000',
  },
}

SCSS

$custom: #40450a;
$custom-light: #77784f;
$custom-dark: #000000;

JSON

{
  "hex": "#40450a",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 10
  },
  "hsl": {
    "h": 65.085,
    "s": 74.684,
    "l": 15.49
  },
  "oklch": {
    "l": 0.37364,
    "c": 0.07769,
    "h": 114.5
  },
  "luminance": 0.05368
}

Semantic roles & 50–950 ramp

primary

#40450A

secondary

#302982

accent

#36F146

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090902

muted

#7B7B78

Preview Lab

Preview with #40450A

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

Preview Lab → · Contrast checker → · Palette generator →