#42130B#42130B

#42130B is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.3% C 0.075 H 32.0°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#42130B
RGB	rgb(66, 19, 11)
HSL	hsl(9, 71%, 15%)
HSV	hsv(9, 83%, 26%)
CMYK	cmyk(0%, 71.2%, 83.3%, 74.1%)
CIE-LAB	lab(13.52, 22.24, 16.15)
CIE-LCH	lch(13.52, 27.48, 35.98°)
OKLab	oklab(26.3% 0.0635 0.0396)
OKLCH	oklch(26.3% 0.075 32)
XYZ	xyz(2.5403, 1.6485, 0.5010)
Luminance	0.0165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42130B #0B3A42

analogous

#420B1F #42130B #422E0B

triadic

#42130B #0B4213 #130B42

tetradic

#42130B #1F420B #0B3A42 #2E0B42

square

#42130B #1F420B #0B3A42 #2E0B42

split-complementary

#42130B #0B422E #0B1F42

monochromatic

#1A0804 #1A0804 #42130B #762214 #AB311C

Accessibility & contrast

On white

15.79

#42130B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#42130B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42130B

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42130B	#FFFFFF	#000000	##FFFFFF
##42130B	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#201C0A

Deuteranopia (green-blind)

#2C2609

Tritanopia (blue-blind)

#490811

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #42130b;
/* rgb */ color: rgb(66, 19, 11);
/* oklch */ color: oklch(26.3% 0.075 32.0);

Tailwind

colors: {
  custom: {
    50: '#7b534b',
    500: '#42130b',
    950: '#000000',
  },
}

SCSS

$custom: #42130b;
$custom-light: #7b534b;
$custom-dark: #000000;

JSON

{
  "hex": "#42130b",
  "rgb": {
    "r": 66,
    "g": 19,
    "b": 11
  },
  "hsl": {
    "h": 8.727,
    "s": 71.429,
    "l": 15.098
  },
  "oklch": {
    "l": 0.26298,
    "c": 0.07489,
    "h": 32
  },
  "luminance": 0.01648
}

Semantic roles & 50–950 ramp

primary

#42130B

secondary

#2A727F

accent

#D4EE3A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #42130B

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

Preview Lab → · Contrast checker → · Palette generator →