#420910#420910

#420910 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.085 H 19.7°. Best body text is #FFFFFF at 16.43:1 contrast (WCAG AA passes).

Color values

HEX	#420910
RGB	rgb(66, 9, 16)
HSL	hsl(353, 76%, 15%)
HSV	hsv(353, 86%, 26%)
CMYK	cmyk(0%, 86.4%, 75.8%, 74.1%)
CIE-LAB	lab(11.90, 27.20, 11.50)
CIE-LCH	lch(11.90, 29.53, 22.92°)
OKLab	oklab(25.11% 0.0805 0.0287)
OKLCH	oklch(25.11% 0.085 19.7)
XYZ	xyz(2.4382, 1.3914, 0.6303)
Luminance	0.0139 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420910 #09423B

analogous

#42092C #420910 #421F09

triadic

#420910 #104209 #091042

tetradic

#420910 #2C4209 #09423B #1F0942

square

#420910 #2C4209 #09423B #1F0942

split-complementary

#420910 #09421F #092C42

monochromatic

#1B0407 #1B0407 #420910 #78101D #AE182A

Accessibility & contrast

On white

16.43

#420910 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#420910 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420910

16.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420910	#FFFFFF	#000000	##FFFFFF
##420910	1.00	16.43	1.28	16.43
#FFFFFF	16.43	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1810

Deuteranopia (green-blind)

#28240E

Tritanopia (blue-blind)

#49000C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #420910;
/* rgb */ color: rgb(66, 9, 16);
/* oklch */ color: oklch(25.1% 0.085 19.7);

Tailwind

colors: {
  custom: {
    50: '#7b4e4e',
    500: '#420910',
    950: '#000000',
  },
}

SCSS

$custom: #420910;
$custom-light: #7b4e4e;
$custom-dark: #000000;

JSON

{
  "hex": "#420910",
  "rgb": {
    "r": 66,
    "g": 9,
    "b": 16
  },
  "hsl": {
    "h": 352.632,
    "s": 76,
    "l": 14.706
  },
  "oklch": {
    "l": 0.25112,
    "c": 0.08544,
    "h": 19.7
  },
  "luminance": 0.01391
}

Semantic roles & 50–950 ramp

primary

#420910

secondary

#278075

accent

#F3DB35

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #420910

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

Preview Lab → · Contrast checker → · Palette generator →