#90243A#90243A

#90243A is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.0% C 0.143 H 13.9°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#90243A
RGB	rgb(144, 36, 58)
HSL	hsl(348, 60%, 35%)
HSV	hsv(348, 75%, 56%)
CMYK	cmyk(0%, 75%, 59.7%, 43.5%)
CIE-LAB	lab(32.92, 46.09, 13.83)
CIE-LCH	lch(32.92, 48.12, 16.70°)
OKLab	oklab(43.98% 0.1387 0.0342)
OKLCH	oklch(43.98% 0.143 13.9)
XYZ	xyz(12.8975, 7.4984, 4.7704)
Luminance	0.0750 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90243A #24907A

analogous

#902470 #90243A #904424

triadic

#90243A #3A9024 #243A90

tetradic

#90243A #709024 #24907A #442490

square

#90243A #709024 #24907A #442490

split-complementary

#90243A #249044 #247090

monochromatic

#2E0C13 #5F1826 #90243A #C1304E #D55972

Accessibility & contrast

On white

8.40

#90243A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#90243A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90243A

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90243A	#FFFFFF	#000000	##FFFFFF
##90243A	1.00	8.40	2.50	8.40
#FFFFFF	8.40	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413F3A

Deuteranopia (green-blind)

#5C5637

Tritanopia (blue-blind)

#9E032D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90243a;
/* rgb */ color: rgb(144, 36, 58);
/* oklch */ color: oklch(44.0% 0.143 13.9);

Tailwind

colors: {
  custom: {
    50: '#b7686f',
    500: '#90243a',
    950: '#000000',
  },
}

SCSS

$custom: #90243a;
$custom-light: #b7686f;
$custom-dark: #000000;

JSON

{
  "hex": "#90243a",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 58
  },
  "hsl": {
    "h": 347.778,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.43976,
    "c": 0.14289,
    "h": 13.9
  },
  "luminance": 0.07497
}

Semantic roles & 50–950 ramp

primary

#90243A

secondary

#56BAA6

accent

#E3C345

background

#FCF6F6

surface

#F8EBEC

border

#D1C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90243A

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

Preview Lab → · Contrast checker → · Palette generator →