#42390D#42390D

#42390D is a dark, moderate yellow. Relative luminance 0.041; OKLCH L 34.5% C 0.062 H 97.4°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#42390D
RGB	rgb(66, 57, 13)
HSL	hsl(50, 67%, 15%)
HSV	hsv(50, 80%, 26%)
CMYK	cmyk(0%, 13.6%, 80.3%, 74.1%)
CIE-LAB	lab(24.04, -1.89, 27.50)
CIE-LCH	lch(24.04, 27.57, 93.94°)
OKLab	oklab(34.46% -0.0079 0.0612)
OKLCH	oklch(34.46% 0.062 97.4)
XYZ	xyz(3.7827, 4.1138, 0.9755)
Luminance	0.0411 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42390D #0D1642

analogous

#421E0D #42390D #30420D

triadic

#42390D #0D4239 #390D42

tetradic

#42390D #0D421E #0D1642 #420D30

square

#42390D #0D421E #0D1642 #420D30

split-complementary

#42390D #0D3042 #1E0D42

monochromatic

#1A1605 #1A1605 #42390D #756517 #A89121

Accessibility & contrast

On white

11.52

#42390D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#42390D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42390D

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42390D	#FFFFFF	#000000	##FFFFFF
##42390D	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403707

Deuteranopia (green-blind)

#423A10

Tritanopia (blue-blind)

#483430

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #42390d;
/* rgb */ color: rgb(66, 57, 13);
/* oklch */ color: oklch(34.5% 0.062 97.4);

Tailwind

colors: {
  custom: {
    50: '#796f4f',
    500: '#42390d',
    950: '#000000',
  },
}

SCSS

$custom: #42390d;
$custom-light: #796f4f;
$custom-dark: #000000;

JSON

{
  "hex": "#42390d",
  "rgb": {
    "r": 66,
    "g": 57,
    "b": 13
  },
  "hsl": {
    "h": 49.811,
    "s": 67.089,
    "l": 15.49
  },
  "oklch": {
    "l": 0.34458,
    "c": 0.06171,
    "h": 97.4
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#42390D

secondary

#2D3B7E

accent

#5BEA3E

background

#F7F6F4

surface

#EEECE7

border

#C9C7C3

text

#090702

muted

#7B7A78

Preview Lab

Preview with #42390D

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

Preview Lab → · Contrast checker → · Palette generator →