#901830#901830

#901830 is a dark, vivid red. Relative luminance 0.068; OKLCH L 42.7% C 0.153 H 16.6°. Best body text is #FFFFFF at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#901830
RGB	rgb(144, 24, 48)
HSL	hsl(348, 71%, 33%)
HSV	hsv(348, 83%, 56%)
CMYK	cmyk(0%, 83.3%, 66.7%, 43.5%)
CIE-LAB	lab(31.34, 49.28, 18.30)
CIE-LCH	lch(31.34, 52.56, 20.37°)
OKLab	oklab(42.75% 0.147 0.0437)
OKLCH	oklch(42.75% 0.153 16.6)
XYZ	xyz(12.3631, 6.7979, 3.4569)
Luminance	0.0680 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#901830 #189078

analogous

#90186C #901830 #903C18

triadic

#901830 #309018 #183090

tetradic

#901830 #6C9018 #189078 #3C1890

square

#901830 #6C9018 #189078 #3C1890

split-complementary

#901830 #18903C #186C90

monochromatic

#27070D #5C0F1F #901830 #C42141 #E04362

Accessibility & contrast

On white

8.90

#901830 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#901830 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #901830

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##901830	#FFFFFF	#000000	##FFFFFF
##901830	1.00	8.90	2.36	8.90
#FFFFFF	8.90	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D3A30

Deuteranopia (green-blind)

#5B532D

Tritanopia (blue-blind)

#9E0023

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #901830;
/* rgb */ color: rgb(144, 24, 48);
/* oklch */ color: oklch(42.7% 0.153 16.6);

Tailwind

colors: {
  custom: {
    50: '#b86368',
    500: '#901830',
    950: '#000000',
  },
}

SCSS

$custom: #901830;
$custom-light: #b86368;
$custom-dark: #000000;

JSON

{
  "hex": "#901830",
  "rgb": {
    "r": 144,
    "g": 24,
    "b": 48
  },
  "hsl": {
    "h": 348,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.42745,
    "c": 0.15333,
    "h": 16.6
  },
  "luminance": 0.06796
}

Semantic roles & 50–950 ramp

primary

#901830

secondary

#43C0A7

accent

#EECA3A

background

#FCF6F6

surface

#F8EBEB

border

#D1C6C6

text

#130606

muted

#827A7A

Preview Lab

Preview with #901830

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

Preview Lab → · Contrast checker → · Palette generator →