#40420A#40420A

#40420A is a dark, moderate yellow. Relative luminance 0.050; OKLCH L 36.6% C 0.074 H 111.6°. Best body text is #FFFFFF at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#40420A
RGB	rgb(64, 66, 10)
HSL	hsl(62, 74%, 15%)
HSV	hsv(62, 85%, 26%)
CMYK	cmyk(3%, 0%, 84.8%, 74.1%)
CIE-LAB	lab(26.76, -8.70, 31.33)
CIE-LCH	lch(26.76, 32.52, 105.52°)
OKLab	oklab(36.56% -0.0273 0.0687)
OKLCH	oklch(36.56% 0.074 111.6)
XYZ	xyz(4.1175, 5.0084, 1.0369)
Luminance	0.0501 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40420A #0C0A42

analogous

#42280A #40420A #24420A

triadic

#40420A #0A4042 #420A40

tetradic

#40420A #0A4228 #0C0A42 #420A24

square

#40420A #0A4228 #0C0A42 #420A24

split-complementary

#40420A #0A2442 #280A42

monochromatic

#1A1B04 #1A1B04 #40420A #747712 #A7AC1A

Accessibility & contrast

On white

10.49

#40420A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#40420A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40420A

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40420A	#FFFFFF	#000000	##FFFFFF
##40420A	1.00	10.49	2.00	10.49
#FFFFFF	10.49	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#483F01

Deuteranopia (green-blind)

#48400F

Tritanopia (blue-blind)

#453D37

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #40420a;
/* rgb */ color: rgb(64, 66, 10);
/* oklch */ color: oklch(36.6% 0.074 111.6);

Tailwind

colors: {
  custom: {
    50: '#77764e',
    500: '#40420a',
    950: '#000000',
  },
}

SCSS

$custom: #40420a;
$custom-light: #77764e;
$custom-dark: #000000;

JSON

{
  "hex": "#40420a",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 10
  },
  "hsl": {
    "h": 62.143,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.36563,
    "c": 0.07394,
    "h": 111.6
  },
  "luminance": 0.05008
}

Semantic roles & 50–950 ramp

primary

#40420A

secondary

#2C297F

accent

#37F03E

background

#F7F7F4

surface

#EDEDE7

border

#C8C8C3

text

#090802

muted

#7B7B78

Preview Lab

Preview with #40420A

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

Preview Lab → · Contrast checker → · Palette generator →