#42401C#42401C

#42401C is a dark, muted yellow. Relative luminance 0.049; OKLCH L 36.4% C 0.054 H 105.9°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#42401C
RGB	rgb(66, 64, 28)
HSL	hsl(57, 40%, 18%)
HSV	hsv(57, 58%, 26%)
CMYK	cmyk(0%, 3%, 57.6%, 74.1%)
CIE-LAB	lab(26.47, -5.06, 22.09)
CIE-LCH	lch(26.47, 22.67, 102.89°)
OKLab	oklab(36.44% -0.0149 0.0521)
OKLCH	oklch(36.44% 0.054 105.9)
XYZ	xyz(4.2899, 4.9090, 1.8199)
Luminance	0.0491 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42401C #1C1E42

analogous

#422D1C #42401C #31421C

triadic

#42401C #1C4240 #401C42

tetradic

#42401C #1C422D #1C1E42 #421C31

square

#42401C #1C422D #1C1E42 #421C31

split-complementary

#42401C #1C3142 #2D1C42

monochromatic

#151509 #17160A #42401C #6D6A2E #989340

Accessibility & contrast

On white

10.60

#42401C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#42401C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42401C

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42401C	#FFFFFF	#000000	##FFFFFF
##42401C	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#453E19

Deuteranopia (green-blind)

#463F1E

Tritanopia (blue-blind)

#473C38

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #42401c;
/* rgb */ color: rgb(66, 64, 28);
/* oklch */ color: oklch(36.4% 0.054 105.9);

Tailwind

colors: {
  custom: {
    50: '#777459',
    500: '#42401c',
    950: '#000000',
  },
}

SCSS

$custom: #42401c;
$custom-light: #777459;
$custom-dark: #000000;

JSON

{
  "hex": "#42401c",
  "rgb": {
    "r": 66,
    "g": 64,
    "b": 28
  },
  "hsl": {
    "h": 56.842,
    "s": 40.426,
    "l": 18.431
  },
  "oklch": {
    "l": 0.3644,
    "c": 0.05422,
    "h": 105.9
  },
  "luminance": 0.04909
}

Semantic roles & 50–950 ramp

primary

#42401C

secondary

#434577

accent

#5ED058

background

#F7F7F5

surface

#EDEDE9

border

#C8C8C5

text

#090803

muted

#7B7B78

Preview Lab

Preview with #42401C

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

Preview Lab → · Contrast checker → · Palette generator →