#42380D#42380D

#42380D is a dark, moderate yellow. Relative luminance 0.040; OKLCH L 34.2% C 0.061 H 95.7°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#42380D
RGB	rgb(66, 56, 13)
HSL	hsl(49, 67%, 15%)
HSV	hsv(49, 80%, 26%)
CMYK	cmyk(0%, 15.2%, 80.3%, 74.1%)
CIE-LAB	lab(23.72, -1.25, 27.18)
CIE-LCH	lch(23.72, 27.21, 92.64°)
OKLab	oklab(34.2% -0.0061 0.0605)
OKLCH	oklch(34.2% 0.061 95.7)
XYZ	xyz(3.7338, 4.0159, 0.9592)
Luminance	0.0402 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42380D #0D1742

analogous

#421D0D #42380D #31420D

triadic

#42380D #0D4238 #380D42

tetradic

#42380D #0D421D #0D1742 #420D31

square

#42380D #0D421D #0D1742 #420D31

split-complementary

#42380D #0D3142 #1D0D42

monochromatic

#1A1605 #1A1605 #42380D #756317 #A88F21

Accessibility & contrast

On white

11.65

#42380D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#42380D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42380D

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42380D	#FFFFFF	#000000	##FFFFFF
##42380D	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)

#3F3707

Deuteranopia (green-blind)

#413A0F

Tritanopia (blue-blind)

#48332F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #42380d;
/* rgb */ color: rgb(66, 56, 13);
/* oklch */ color: oklch(34.2% 0.061 95.7);

Tailwind

colors: {
  custom: {
    50: '#796e4f',
    500: '#42380d',
    950: '#000000',
  },
}

SCSS

$custom: #42380d;
$custom-light: #796e4f;
$custom-dark: #000000;

JSON

{
  "hex": "#42380d",
  "rgb": {
    "r": 66,
    "g": 56,
    "b": 13
  },
  "hsl": {
    "h": 48.679,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34204,
    "c": 0.06083,
    "h": 95.7
  },
  "luminance": 0.04016
}

Semantic roles & 50–950 ramp

primary

#42380D

secondary

#2D3C7E

accent

#5EEA3E

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42380D

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

Preview Lab → · Contrast checker → · Palette generator →