#40451E#40451E

#40451E is a dark, muted yellow. Relative luminance 0.054; OKLCH L 37.6% C 0.059 H 115.4°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#40451E
RGB	rgb(64, 69, 30)
HSL	hsl(68, 39%, 19%)
HSV	hsv(68, 57%, 27%)
CMYK	cmyk(7.2%, 0%, 56.5%, 72.9%)
CIE-LAB	lab(27.95, -8.88, 22.64)
CIE-LCH	lch(27.95, 24.32, 111.42°)
OKLab	oklab(37.58% -0.0254 0.0536)
OKLCH	oklch(37.58% 0.059 115.4)
XYZ	xyz(4.4769, 5.4400, 2.0422)
Luminance	0.0544 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40451E #231E45

analogous

#45371E #40451E #2D451E

triadic

#40451E #1E4045 #451E40

tetradic

#40451E #1E4537 #231E45 #451E2D

square

#40451E #1E4537 #231E45 #451E2D

split-complementary

#40451E #1E2D45 #371E45

monochromatic

#141509 #181A0B #40451E #687031 #8F9A43

Accessibility & contrast

On white

10.06

#40451E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#40451E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40451E

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40451E	#FFFFFF	#000000	##FFFFFF
##40451E	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A421A

Deuteranopia (green-blind)

#494220

Tritanopia (blue-blind)

#44413C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40451e;
/* rgb */ color: rgb(64, 69, 30);
/* oklch */ color: oklch(37.6% 0.059 115.4);

Tailwind

colors: {
  custom: {
    50: '#76785b',
    500: '#40451e',
    950: '#000000',
  },
}

SCSS

$custom: #40451e;
$custom-light: #76785b;
$custom-dark: #000000;

JSON

{
  "hex": "#40451e",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 30
  },
  "hsl": {
    "h": 67.692,
    "s": 39.394,
    "l": 19.412
  },
  "oklch": {
    "l": 0.37582,
    "c": 0.05929,
    "h": 115.4
  },
  "luminance": 0.0544
}

Semantic roles & 50–950 ramp

primary

#40451E

secondary

#4C457A

accent

#59CF68

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080904

muted

#7B7B79

Preview Lab

Preview with #40451E

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

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