#901827#901827

#901827 is a dark, vivid red. Relative luminance 0.067; OKLCH L 42.6% C 0.154 H 21.0°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#901827
RGB	rgb(144, 24, 39)
HSL	hsl(353, 71%, 33%)
HSV	hsv(353, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 72.9%, 43.5%)
CIE-LAB	lab(31.19, 48.80, 23.94)
CIE-LCH	lch(31.19, 54.36, 26.13°)
OKLab	oklab(42.58% 0.1434 0.055)
OKLCH	oklch(42.58% 0.154 21)
XYZ	xyz(12.1959, 6.7310, 2.5761)
Luminance	0.0673 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901827 #189081

analogous

#901863 #901827 #904518

triadic

#901827 #279018 #182790

tetradic

#901827 #639018 #189081 #451890

square

#901827 #639018 #189081 #451890

split-complementary

#901827 #189045 #186390

monochromatic

#27070B #5C0F19 #901827 #C42135 #E04356

Accessibility & contrast

On white

8.95

#901827 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#901827 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901827

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901827	#FFFFFF	#000000	##FFFFFF
##901827	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3926

Deuteranopia (green-blind)

#5B5223

Tritanopia (blue-blind)

#9F001F

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #901827;
/* rgb */ color: rgb(144, 24, 39);
/* oklch */ color: oklch(42.6% 0.154 21.0);

Tailwind

colors: {
  custom: {
    50: '#b96361',
    500: '#901827',
    950: '#000000',
  },
}

SCSS

$custom: #901827;
$custom-light: #b96361;
$custom-dark: #000000;

JSON

{
  "hex": "#901827",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 39
  },
  "hsl": {
    "h": 352.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.4258,
    "c": 0.15355,
    "h": 21
  },
  "luminance": 0.06729
}

Semantic roles & 50–950 ramp

primary

#901827

secondary

#43C0B1

accent

#EED83A

background

#FCF6F5

surface

#F8EBE9

border

#D1C6C5

text

#130605

muted

#827A79

Preview Lab

Preview with #901827

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

Preview Lab → · Contrast checker → · Palette generator →