#42380C#42380C

#42380C is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.2% C 0.062 H 95.9°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#42380C
RGB	rgb(66, 56, 12)
HSL	hsl(49, 69%, 15%)
HSV	hsv(49, 82%, 26%)
CMYK	cmyk(0%, 15.2%, 81.8%, 74.1%)
CIE-LAB	lab(23.72, -1.31, 27.64)
CIE-LCH	lch(23.72, 27.67, 92.72°)
OKLab	oklab(34.2% -0.0064 0.0613)
OKLCH	oklch(34.2% 0.062 95.9)
XYZ	xyz(3.7275, 4.0133, 0.9261)
Luminance	0.0401 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42380C #0C1642

analogous

#421D0C #42380C #31420C

triadic

#42380C #0C4238 #380C42

tetradic

#42380C #0C421D #0C1642 #420C31

square

#42380C #0C421D #0C1642 #420C31

split-complementary

#42380C #0C3142 #1D0C42

monochromatic

#1A1605 #1A1605 #42380C #766415 #AA901F

Accessibility & contrast

On white

11.65

#42380C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#42380C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42380C

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42380C	#FFFFFF	#000000	##FFFFFF
##42380C	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3706

Deuteranopia (green-blind)

#413A0F

Tritanopia (blue-blind)

#48332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #42380c;
/* rgb */ color: rgb(66, 56, 12);
/* oklch */ color: oklch(34.2% 0.062 95.9);

Tailwind

colors: {
  custom: {
    50: '#796e4e',
    500: '#42380c',
    950: '#000000',
  },
}

SCSS

$custom: #42380c;
$custom-light: #796e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#42380c",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 12
  },
  "hsl": {
    "h": 48.889,
    "s": 69.231,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34195,
    "c": 0.06162,
    "h": 95.9
  },
  "luminance": 0.04013
}

Semantic roles & 50–950 ramp

primary

#42380C

secondary

#2C3B7E

accent

#5CEC3C

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42380C

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

Preview Lab → · Contrast checker → · Palette generator →