#901C23#901C23

#901C23 is a dark, vivid red. Relative luminance 0.069; OKLCH L 42.8% C 0.151 H 23.7°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#901C23
RGB	rgb(144, 28, 35)
HSL	hsl(356, 67%, 34%)
HSV	hsv(356, 81%, 56%)
CMYK	cmyk(0%, 80.6%, 75.7%, 43.5%)
CIE-LAB	lab(31.54, 47.46, 26.88)
CIE-LCH	lch(31.54, 54.54, 29.53°)
OKLab	oklab(42.82% 0.1381 0.0606)
OKLCH	oklch(42.82% 0.151 23.7)
XYZ	xyz(12.2217, 6.8831, 2.2748)
Luminance	0.0688 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901C23 #1C9089

analogous

#901C5D #901C23 #904F1C

triadic

#901C23 #23901C #1C2390

tetradic

#901C23 #5D901C #1C9089 #4F1C90

square

#901C23 #5D901C #1C9089 #4F1C90

split-complementary

#901C23 #1C904F #1C5D90

monochromatic

#2A080A #5D1217 #901C23 #C3262F #DC4A53

Accessibility & contrast

On white

8.84

#901C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#901C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901C23

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901C23	#FFFFFF	#000000	##FFFFFF
##901C23	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403A22

Deuteranopia (green-blind)

#5D531F

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901c23;
/* rgb */ color: rgb(144, 28, 35);
/* oklch */ color: oklch(42.8% 0.151 23.7);

Tailwind

colors: {
  custom: {
    50: '#b9645e',
    500: '#901c23',
    950: '#000000',
  },
}

SCSS

$custom: #901c23;
$custom-light: #b9645e;
$custom-dark: #000000;

JSON

{
  "hex": "#901c23",
  "rgb": {
    "r": 144,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 356.379,
    "s": 67.442,
    "l": 33.725
  },
  "oklch": {
    "l": 0.42823,
    "c": 0.15083,
    "h": 23.7
  },
  "luminance": 0.06881
}

Semantic roles & 50–950 ramp

primary

#901C23

secondary

#4ABEB7

accent

#EAE03D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901C23

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

Preview Lab → · Contrast checker → · Palette generator →