#40440C#40440C

#40440C is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.1% C 0.075 H 113.6°. Best body text is #FFFFFF at 10.24:1 contrast (WCAG AA passes).

Color values

HEX	#40440C
RGB	rgb(64, 68, 12)
HSL	hsl(64, 70%, 16%)
HSV	hsv(64, 82%, 27%)
CMYK	cmyk(5.9%, 0%, 82.4%, 73.3%)
CIE-LAB	lab(27.44, -9.79, 31.17)
CIE-LCH	lch(27.44, 32.67, 107.44°)
OKLab	oklab(37.11% -0.0301 0.0688)
OKLCH	oklch(37.11% 0.075 113.6)
XYZ	xyz(4.2480, 5.2509, 1.1375)
Luminance	0.0525 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40440C #100C44

analogous

#442C0C #40440C #24440C

triadic

#40440C #0C4044 #440C40

tetradic

#40440C #0C442C #100C44 #440C24

square

#40440C #0C442C #100C44 #440C24

split-complementary

#40440C #0C2444 #2C0C44

monochromatic

#181A05 #181A05 #40440C #717815 #A2AC1E

Accessibility & contrast

On white

10.24

#40440C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40440C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40440C

10.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40440C	#FFFFFF	#000000	##FFFFFF
##40440C	1.00	10.24	2.05	10.24
#FFFFFF	10.24	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4003

Deuteranopia (green-blind)

#4A4111

Tritanopia (blue-blind)

#453F39

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40440c;
/* rgb */ color: rgb(64, 68, 12);
/* oklch */ color: oklch(37.1% 0.075 113.6);

Tailwind

colors: {
  custom: {
    50: '#777750',
    500: '#40440c',
    950: '#000000',
  },
}

SCSS

$custom: #40440c;
$custom-light: #777750;
$custom-dark: #000000;

JSON

{
  "hex": "#40440c",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 12
  },
  "hsl": {
    "h": 64.286,
    "s": 70,
    "l": 15.686
  },
  "oklch": {
    "l": 0.37111,
    "c": 0.07511,
    "h": 113.6
  },
  "luminance": 0.05251
}

Semantic roles & 50–950 ramp

primary

#40440C

secondary

#322C80

accent

#3BED48

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40440C

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

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