#90172F#90172F

#90172F is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.7% C 0.154 H 16.9°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#90172F
RGB	rgb(144, 23, 47)
HSL	hsl(348, 72%, 33%)
HSV	hsv(348, 84%, 56%)
CMYK	cmyk(0%, 84%, 67.4%, 43.5%)
CIE-LAB	lab(31.23, 49.49, 18.81)
CIE-LCH	lch(31.23, 52.94, 20.81°)
OKLab	oklab(42.66% 0.1474 0.0448)
OKLCH	oklch(42.66% 0.154 16.9)
XYZ	xyz(12.3225, 6.7492, 3.3427)
Luminance	0.0675 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90172F #179078

analogous

#90176B #90172F #903B17

triadic

#90172F #2F9017 #172F90

tetradic

#90172F #6B9017 #179078 #3B1790

square

#90172F #6B9017 #179078 #3B1790

split-complementary

#90172F #17903B #176B90

monochromatic

#26060D #5B0F1E #90172F #C51F40 #E14160

Accessibility & contrast

On white

8.94

#90172F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#90172F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90172F

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90172F	#FFFFFF	#000000	##FFFFFF
##90172F	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C392F

Deuteranopia (green-blind)

#5A522B

Tritanopia (blue-blind)

#9F0022

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #90172f;
/* rgb */ color: rgb(144, 23, 47);
/* oklch */ color: oklch(42.7% 0.154 16.9);

Tailwind

colors: {
  custom: {
    50: '#b86367',
    500: '#90172f',
    950: '#000000',
  },
}

SCSS

$custom: #90172f;
$custom-light: #b86367;
$custom-dark: #000000;

JSON

{
  "hex": "#90172f",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 47
  },
  "hsl": {
    "h": 348.099,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42655,
    "c": 0.15407,
    "h": 16.9
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#90172F

secondary

#42C1A8

accent

#EFCB39

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #90172F

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

Preview Lab → · Contrast checker → · Palette generator →