#40440F#40440F

#40440F is a dark, moderate yellow. Relative luminance 0.053; OKLCH L 37.1% C 0.073 H 113.7°. Best body text is #FFFFFF at 10.23:1 contrast (WCAG AA passes).

Color values

HEX	#40440F
RGB	rgb(64, 68, 15)
HSL	hsl(65, 64%, 16%)
HSV	hsv(65, 78%, 27%)
CMYK	cmyk(5.9%, 0%, 77.9%, 73.3%)
CIE-LAB	lab(27.46, -9.61, 29.91)
CIE-LCH	lch(27.46, 31.41, 107.81°)
OKLab	oklab(37.14% -0.0293 0.0668)
OKLCH	oklch(37.14% 0.073 113.7)
XYZ	xyz(4.2678, 5.2588, 1.2421)
Luminance	0.0526 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40440F #130F44

analogous

#442E0F #40440F #26440F

triadic

#40440F #0F4044 #440F40

tetradic

#40440F #0F442E #130F44 #440F26

square

#40440F #0F442E #130F44 #440F26

split-complementary

#40440F #0F2644 #2E0F44

monochromatic

#181906 #181906 #40440F #6F761A #9EA825

Accessibility & contrast

On white

10.23

#40440F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#40440F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40440F

10.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40440F	#FFFFFF	#000000	##FFFFFF
##40440F	1.00	10.23	2.05	10.23
#FFFFFF	10.23	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A4007

Deuteranopia (green-blind)

#494113

Tritanopia (blue-blind)

#45403A

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #40440f;
/* rgb */ color: rgb(64, 68, 15);
/* oklch */ color: oklch(37.1% 0.073 113.7);

Tailwind

colors: {
  custom: {
    50: '#777751',
    500: '#40440f',
    950: '#000000',
  },
}

SCSS

$custom: #40440f;
$custom-light: #777751;
$custom-dark: #000000;

JSON

{
  "hex": "#40440f",
  "rgb": {
    "r": 64,
    "g": 68,
    "b": 15
  },
  "hsl": {
    "h": 64.528,
    "s": 63.855,
    "l": 16.275
  },
  "oklch": {
    "l": 0.37135,
    "c": 0.0729,
    "h": 113.7
  },
  "luminance": 0.05259
}

Semantic roles & 50–950 ramp

primary

#40440F

secondary

#36307E

accent

#41E74D

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40440F

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

Preview Lab → · Contrast checker → · Palette generator →