#901C33#901C33

#901C33 is a dark, vivid red. Relative luminance 0.070; OKLCH L 43.1% C 0.150 H 15.8°. Best body text is #FFFFFF at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#901C33
RGB	rgb(144, 28, 51)
HSL	hsl(348, 67%, 34%)
HSV	hsv(348, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 64.6%, 43.5%)
CIE-LAB	lab(31.81, 48.30, 16.93)
CIE-LCH	lch(31.81, 51.19, 19.32°)
OKLab	oklab(43.11% 0.1445 0.0409)
OKLCH	oklch(43.11% 0.15 15.8)
XYZ	xyz(12.5157, 7.0007, 3.8236)
Luminance	0.0700 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C33 #1C9079

analogous

#901C6D #901C33 #903F1C

triadic

#901C33 #33901C #1C3390

tetradic

#901C33 #6D901C #1C9079 #3F1C90

square

#901C33 #6D901C #1C9079 #3F1C90

split-complementary

#901C33 #1C903F #1C6D90

monochromatic

#2A080F #5D1221 #901C33 #C32645 #DC4A67

Accessibility & contrast

On white

8.75

#901C33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#901C33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C33

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C33	#FFFFFF	#000000	##FFFFFF
##901C33	1.00	8.75	2.40	8.75
#FFFFFF	8.75	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3B33

Deuteranopia (green-blind)

#5B5330

Tritanopia (blue-blind)

#9E0026

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #901c33;
/* rgb */ color: rgb(144, 28, 51);
/* oklch */ color: oklch(43.1% 0.150 15.8);

Tailwind

colors: {
  custom: {
    50: '#b7656a',
    500: '#901c33',
    950: '#000000',
  },
}

SCSS

$custom: #901c33;
$custom-light: #b7656a;
$custom-dark: #000000;

JSON

{
  "hex": "#901c33",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 51
  },
  "hsl": {
    "h": 348.103,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.43109,
    "c": 0.15016,
    "h": 15.8
  },
  "luminance": 0.06999
}

Semantic roles & 50–950 ramp

primary

#901C33

secondary

#4ABEA7

accent

#EAC83D

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901C33

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

Preview Lab → · Contrast checker → · Palette generator →