#901B25#901B25

#901B25 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.8% C 0.151 H 22.6°. Best body text is #FFFFFF at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#901B25
RGB	rgb(144, 27, 37)
HSL	hsl(355, 68%, 34%)
HSV	hsv(355, 81%, 56%)
CMYK	cmyk(0%, 81.3%, 74.3%, 43.5%)
CIE-LAB	lab(31.46, 47.85, 25.53)
CIE-LCH	lch(31.46, 54.24, 28.09°)
OKLab	oklab(42.77% 0.1399 0.0581)
OKLCH	oklch(42.77% 0.151 22.6)
XYZ	xyz(12.2289, 6.8487, 2.4279)
Luminance	0.0685 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901B25 #1B9086

analogous

#901B5F #901B25 #904B1B

triadic

#901B25 #25901B #1B2590

tetradic

#901B25 #5F901B #1B9086 #4B1B90

square

#901B25 #5F901B #1B9086 #4B1B90

split-complementary

#901B25 #1B904B #1B5F90

monochromatic

#29080B #5C1118 #901B25 #C42532 #DD4955

Accessibility & contrast

On white

8.86

#901B25 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#901B25 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901B25

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901B25	#FFFFFF	#000000	##FFFFFF
##901B25	1.00	8.86	2.37	8.86
#FFFFFF	8.86	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3A24

Deuteranopia (green-blind)

#5C5321

Tritanopia (blue-blind)

#9F0020

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901b25;
/* rgb */ color: rgb(144, 27, 37);
/* oklch */ color: oklch(42.8% 0.151 22.6);

Tailwind

colors: {
  custom: {
    50: '#b9645f',
    500: '#901b25',
    950: '#000000',
  },
}

SCSS

$custom: #901b25;
$custom-light: #b9645f;
$custom-dark: #000000;

JSON

{
  "hex": "#901b25",
  "rgb": {
    "r": 144,
    "g": 27,
    "b": 37
  },
  "hsl": {
    "h": 354.872,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.42773,
    "c": 0.15143,
    "h": 22.6
  },
  "luminance": 0.06847
}

Semantic roles & 50–950 ramp

primary

#901B25

secondary

#48BFB4

accent

#EBDC3D

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130604

muted

#827A79

Preview Lab

Preview with #901B25

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

Preview Lab → · Contrast checker → · Palette generator →