#42310B#42310B

#42310B is a dark, muted orange. Relative luminance 0.034; OKLCH L 32.4% C 0.058 H 83.6°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#42310B
RGB	rgb(66, 49, 11)
HSL	hsl(41, 71%, 15%)
HSV	hsv(41, 83%, 26%)
CMYK	cmyk(0%, 25.8%, 83.3%, 74.1%)
CIE-LAB	lab(21.50, 3.19, 25.78)
CIE-LCH	lch(21.50, 25.98, 82.95°)
OKLab	oklab(32.45% 0.0064 0.0575)
OKLCH	oklch(32.45% 0.058 83.6)
XYZ	xyz(3.4057, 3.3793, 0.7894)
Luminance	0.0338 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42310B #0B1C42

analogous

#42160B #42310B #37420B

triadic

#42310B #0B4231 #310B42

tetradic

#42310B #0B4216 #0B1C42 #420B37

square

#42310B #0B4216 #0B1C42 #420B37

split-complementary

#42310B #0B3742 #160B42

monochromatic

#1A1304 #1A1304 #42310B #765814 #AB7F1C

Accessibility & contrast

On white

12.53

#42310B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#42310B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42310B

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42310B	#FFFFFF	#000000	##FFFFFF
##42310B	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#3C350D

Tritanopia (blue-blind)

#482C29

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #42310b;
/* rgb */ color: rgb(66, 49, 11);
/* oklch */ color: oklch(32.4% 0.058 83.6);

Tailwind

colors: {
  custom: {
    50: '#79684d',
    500: '#42310b',
    950: '#000000',
  },
}

SCSS

$custom: #42310b;
$custom-light: #79684d;
$custom-dark: #000000;

JSON

{
  "hex": "#42310b",
  "rgb": {
    "r": 66,
    "g": 49,
    "b": 11
  },
  "hsl": {
    "h": 41.455,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.32448,
    "c": 0.05781,
    "h": 83.6
  },
  "luminance": 0.03379
}

Semantic roles & 50–950 ramp

primary

#42310B

secondary

#2A447F

accent

#71EE3A

background

#F7F6F4

surface

#EEEBE7

border

#C9C6C3

text

#090601

muted

#7B7A77

Preview Lab

Preview with #42310B

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

Preview Lab → · Contrast checker → · Palette generator →