#901730#901730

#901730 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.154 H 16.4°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#901730
RGB	rgb(144, 23, 48)
HSL	hsl(348, 72%, 33%)
HSV	hsv(348, 84%, 56%)
CMYK	cmyk(0%, 84%, 66.7%, 43.5%)
CIE-LAB	lab(31.25, 49.54, 18.17)
CIE-LCH	lch(31.25, 52.77, 20.14°)
OKLab	oklab(42.68% 0.1478 0.0434)
OKLCH	oklch(42.68% 0.154 16.4)
XYZ	xyz(12.3429, 6.7574, 3.4501)
Luminance	0.0675 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901730 #179077

analogous

#90176D #901730 #903A17

triadic

#901730 #309017 #173090

tetradic

#901730 #6D9017 #179077 #3A1790

square

#901730 #6D9017 #179077 #3A1790

split-complementary

#901730 #17903A #176D90

monochromatic

#26060D #5B0F1E #901730 #C51F42 #E14162

Accessibility & contrast

On white

8.93

#901730 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901730 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901730

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901730	#FFFFFF	#000000	##FFFFFF
##901730	1.00	8.93	2.35	8.93
#FFFFFF	8.93	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3930

Deuteranopia (green-blind)

#5A522C

Tritanopia (blue-blind)

#9E0022

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901730;
/* rgb */ color: rgb(144, 23, 48);
/* oklch */ color: oklch(42.7% 0.154 16.4);

Tailwind

colors: {
  custom: {
    50: '#b86368',
    500: '#901730',
    950: '#000000',
  },
}

SCSS

$custom: #901730;
$custom-light: #b86368;
$custom-dark: #000000;

JSON

{
  "hex": "#901730",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 48
  },
  "hsl": {
    "h": 347.603,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42676,
    "c": 0.15408,
    "h": 16.4
  },
  "luminance": 0.06755
}

Semantic roles & 50–950 ramp

primary

#901730

secondary

#42C1A7

accent

#EFC939

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901730

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

Preview Lab → · Contrast checker → · Palette generator →