#40451C#40451C

#40451C is a dark, moderate yellow. Relative luminance 0.054; OKLCH L 37.6% C 0.062 H 115.2°. Best body text is #FFFFFF at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#40451C
RGB	rgb(64, 69, 28)
HSL	hsl(67, 42%, 19%)
HSV	hsv(67, 59%, 27%)
CMYK	cmyk(7.2%, 0%, 59.4%, 72.9%)
CIE-LAB	lab(27.93, -9.10, 23.75)
CIE-LCH	lch(27.93, 25.44, 110.97°)
OKLab	oklab(37.55% -0.0262 0.0558)
OKLCH	oklch(37.55% 0.062 115.2)
XYZ	xyz(4.4521, 5.4301, 1.9120)
Luminance	0.0543 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40451C #211C45

analogous

#45361C #40451C #2C451C

triadic

#40451C #1C4045 #451C40

tetradic

#40451C #1C4536 #211C45 #451C2C

square

#40451C #1C4536 #211C45 #451C2C

split-complementary

#40451C #1C2C45 #361C45

monochromatic

#141609 #18190A #40451C #68712E #919C3F

Accessibility & contrast

On white

10.07

#40451C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#40451C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40451C

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40451C	#FFFFFF	#000000	##FFFFFF
##40451C	1.00	10.07	2.09	10.07
#FFFFFF	10.07	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4218

Deuteranopia (green-blind)

#49421E

Tritanopia (blue-blind)

#44413C

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #40451c;
/* rgb */ color: rgb(64, 69, 28);
/* oklch */ color: oklch(37.6% 0.062 115.2);

Tailwind

colors: {
  custom: {
    50: '#767859',
    500: '#40451c',
    950: '#000000',
  },
}

SCSS

$custom: #40451c;
$custom-light: #767859;
$custom-dark: #000000;

JSON

{
  "hex": "#40451c",
  "rgb": {
    "r": 64,
    "g": 69,
    "b": 28
  },
  "hsl": {
    "h": 67.317,
    "s": 42.268,
    "l": 19.02
  },
  "oklch": {
    "l": 0.37552,
    "c": 0.06163,
    "h": 115.2
  },
  "luminance": 0.0543
}

Semantic roles & 50–950 ramp

primary

#40451C

secondary

#49427A

accent

#56D265

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#080903

muted

#7B7B78

Preview Lab

Preview with #40451C

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

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