#901815#901815

#901815 is a dark, vivid red. Relative luminance 0.066; OKLCH L 42.4% C 0.155 H 27.9°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#901815
RGB	rgb(144, 24, 21)
HSL	hsl(1, 75%, 32%)
HSV	hsv(1, 85%, 56%)
CMYK	cmyk(0%, 83.3%, 85.4%, 43.5%)
CIE-LAB	lab(30.97, 48.13, 34.57)
CIE-LCH	lch(30.97, 59.26, 35.69°)
OKLab	oklab(42.35% 0.1372 0.0728)
OKLCH	oklch(42.35% 0.155 27.9)
XYZ	xyz(11.9651, 6.6387, 1.3607)
Luminance	0.0664 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901815 #158D90

analogous

#901550 #901815 #905515

triadic

#901815 #159018 #181590

tetradic

#901815 #509015 #158D90 #551590

square

#901815 #509015 #158D90 #551590

split-complementary

#901815 #159055 #155090

monochromatic

#250605 #5B0F0D #901815 #C5211D #E3413D

Accessibility & contrast

On white

9.02

#901815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#901815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901815

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901815	#FFFFFF	#000000	##FFFFFF
##901815	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403813

Deuteranopia (green-blind)

#5D520E

Tritanopia (blue-blind)

#9F0019

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901815;
/* rgb */ color: rgb(144, 24, 21);
/* oklch */ color: oklch(42.4% 0.155 27.9);

Tailwind

colors: {
  custom: {
    50: '#ba6254',
    500: '#901815',
    950: '#000000',
  },
}

SCSS

$custom: #901815;
$custom-light: #ba6254;
$custom-dark: #000000;

JSON

{
  "hex": "#901815",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 21
  },
  "hsl": {
    "h": 1.463,
    "s": 74.545,
    "l": 32.353
  },
  "oklch": {
    "l": 0.4235,
    "c": 0.15531,
    "h": 27.9
  },
  "luminance": 0.06637
}

Semantic roles & 50–950 ramp

primary

#901815

secondary

#3EBFC2

accent

#EDF137

background

#FCF6F4

surface

#F8EBE7

border

#D1C6C3

text

#140602

muted

#827A78

Preview Lab

Preview with #901815

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

Preview Lab → · Contrast checker → · Palette generator →