#901731#901731

#901731 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.154 H 15.9°. Best body text is #FFFFFF at 8.93:1 contrast (WCAG AA passes).

Color values

HEX	#901731
RGB	rgb(144, 23, 49)
HSL	hsl(347, 72%, 33%)
HSV	hsv(347, 84%, 56%)
CMYK	cmyk(0%, 84%, 66%, 43.5%)
CIE-LAB	lab(31.27, 49.60, 17.54)
CIE-LCH	lch(31.27, 52.61, 19.48°)
OKLab	oklab(42.7% 0.1482 0.0421)
OKLCH	oklch(42.7% 0.154 15.9)
XYZ	xyz(12.3637, 6.7658, 3.5600)
Luminance	0.0676 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901731 #179076

analogous

#90176E #901731 #903917

triadic

#901731 #319017 #173190

tetradic

#901731 #6E9017 #179076 #391790

square

#901731 #6E9017 #179076 #391790

split-complementary

#901731 #179039 #176E90

monochromatic

#26060D #5B0F1F #901731 #C51F43 #E14163

Accessibility & contrast

On white

8.93

#901731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901731

8.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901731	#FFFFFF	#000000	##FFFFFF
##901731	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)

#3C3A31

Deuteranopia (green-blind)

#5A522E

Tritanopia (blue-blind)

#9E0023

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901731;
/* rgb */ color: rgb(144, 23, 49);
/* oklch */ color: oklch(42.7% 0.154 15.9);

Tailwind

colors: {
  custom: {
    50: '#b86368',
    500: '#901731',
    950: '#000000',
  },
}

SCSS

$custom: #901731;
$custom-light: #b86368;
$custom-dark: #000000;

JSON

{
  "hex": "#901731",
  "rgb": {
    "r": 144,
    "g": 23,
    "b": 49
  },
  "hsl": {
    "h": 347.107,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.42696,
    "c": 0.1541,
    "h": 15.9
  },
  "luminance": 0.06764
}

Semantic roles & 50–950 ramp

primary

#901731

secondary

#42C1A6

accent

#EFC839

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901731

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

Preview Lab → · Contrast checker → · Palette generator →