#901F38#901F38

#901F38 is a dark, vivid red. Relative luminance 0.072; OKLCH L 43.5% C 0.148 H 13.7°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#901F38
RGB	rgb(144, 31, 56)
HSL	hsl(347, 65%, 34%)
HSV	hsv(347, 78%, 56%)
CMYK	cmyk(0%, 78.5%, 61.1%, 43.5%)
CIE-LAB	lab(32.25, 47.69, 14.24)
CIE-LCH	lch(32.25, 49.77, 16.63°)
OKLab	oklab(43.47% 0.1435 0.0351)
OKLCH	oklch(43.47% 0.148 13.7)
XYZ	xyz(12.7067, 7.1967, 4.4606)
Luminance	0.0720 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901F38 #1F9077

analogous

#901F71 #901F38 #903F1F

triadic

#901F38 #38901F #1F3890

tetradic

#901F38 #71901F #1F9077 #3F1F90

square

#901F38 #71901F #1F9077 #3F1F90

split-complementary

#901F38 #1F903F #1F7190

monochromatic

#2B0911 #5E1424 #901F38 #C22A4C #D9506E

Accessibility & contrast

On white

8.61

#901F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#901F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901F38

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901F38	#FFFFFF	#000000	##FFFFFF
##901F38	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3D38

Deuteranopia (green-blind)

#5B5435

Tritanopia (blue-blind)

#9E002A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #901f38;
/* rgb */ color: rgb(144, 31, 56);
/* oklch */ color: oklch(43.5% 0.148 13.7);

Tailwind

colors: {
  custom: {
    50: '#b7666e',
    500: '#901f38',
    950: '#000000',
  },
}

SCSS

$custom: #901f38;
$custom-light: #b7666e;
$custom-dark: #000000;

JSON

{
  "hex": "#901f38",
  "rgb": {
    "r": 144,
    "g": 31,
    "b": 56
  },
  "hsl": {
    "h": 346.726,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.43469,
    "c": 0.14771,
    "h": 13.7
  },
  "luminance": 0.07195
}

Semantic roles & 50–950 ramp

primary

#901F38

secondary

#4EBCA4

accent

#E8C340

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#120607

muted

#817A7A

Preview Lab

Preview with #901F38

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

Preview Lab → · Contrast checker → · Palette generator →