#901F39#901F39

#901F39 is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.5% C 0.148 H 13.2°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#901F39
RGB	rgb(144, 31, 57)
HSL	hsl(346, 65%, 34%)
HSV	hsv(346, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 60.4%, 43.5%)
CIE-LAB	lab(32.27, 47.76, 13.62)
CIE-LCH	lch(32.27, 49.66, 15.92°)
OKLab	oklab(43.49% 0.1439 0.0337)
OKLCH	oklch(43.49% 0.148 13.2)
XYZ	xyz(12.7314, 7.2065, 4.5907)
Luminance	0.0721 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F39 #1F9076

analogous

#901F72 #901F39 #903E1F

triadic

#901F39 #39901F #1F3990

tetradic

#901F39 #72901F #1F9076 #3E1F90

square

#901F39 #72901F #1F9076 #3E1F90

split-complementary

#901F39 #1F903E #1F7290

monochromatic

#2B0911 #5E1425 #901F39 #C22A4D #D95070

Accessibility & contrast

On white

8.60

#901F39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#901F39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F39

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F39	#FFFFFF	#000000	##FFFFFF
##901F39	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D39

Deuteranopia (green-blind)

#5B5436

Tritanopia (blue-blind)

#9E002A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #901f39;
/* rgb */ color: rgb(144, 31, 57);
/* oklch */ color: oklch(43.5% 0.148 13.2);

Tailwind

colors: {
  custom: {
    50: '#b7666f',
    500: '#901f39',
    950: '#000000',
  },
}

SCSS

$custom: #901f39;
$custom-light: #b7666f;
$custom-dark: #000000;

JSON

{
  "hex": "#901f39",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 57
  },
  "hsl": {
    "h": 346.195,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43493,
    "c": 0.14778,
    "h": 13.2
  },
  "luminance": 0.07205
}

Semantic roles & 50–950 ramp

primary

#901F39

secondary

#4EBCA3

accent

#E8C140

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#120607

muted

#817A7A

Preview Lab

Preview with #901F39

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

Preview Lab → · Contrast checker → · Palette generator →