#90243B#90243B

#90243B is a dark, vivid red. Relative luminance 0.075; OKLCH L 44.0% C 0.143 H 13.3°. Best body text is #FFFFFF at 8.40:1 contrast (WCAG AA passes).

Color values

HEX	#90243B
RGB	rgb(144, 36, 59)
HSL	hsl(347, 60%, 35%)
HSV	hsv(347, 75%, 56%)
CMYK	cmyk(0%, 75%, 59%, 43.5%)
CIE-LAB	lab(32.94, 46.17, 13.21)
CIE-LCH	lch(32.94, 48.02, 15.97°)
OKLab	oklab(44% 0.1391 0.0328)
OKLCH	oklch(44% 0.143 13.3)
XYZ	xyz(12.9232, 7.5087, 4.9056)
Luminance	0.0751 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90243B #249079

analogous

#902471 #90243B #904324

triadic

#90243B #3B9024 #243B90

tetradic

#90243B #719024 #249079 #432490

square

#90243B #719024 #249079 #432490

split-complementary

#90243B #249043 #247190

monochromatic

#2E0C13 #5F1827 #90243B #C1304F #D55973

Accessibility & contrast

On white

8.40

#90243B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#90243B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90243B

8.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90243B	#FFFFFF	#000000	##FFFFFF
##90243B	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)

#413F3B

Deuteranopia (green-blind)

#5C5638

Tritanopia (blue-blind)

#9E032E

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #90243b;
/* rgb */ color: rgb(144, 36, 59);
/* oklch */ color: oklch(44.0% 0.143 13.3);

Tailwind

colors: {
  custom: {
    50: '#b76870',
    500: '#90243b',
    950: '#000000',
  },
}

SCSS

$custom: #90243b;
$custom-light: #b76870;
$custom-dark: #000000;

JSON

{
  "hex": "#90243b",
  "rgb": {
    "r": 144,
    "g": 36,
    "b": 59
  },
  "hsl": {
    "h": 347.222,
    "s": 60,
    "l": 35.294
  },
  "oklch": {
    "l": 0.44,
    "c": 0.14295,
    "h": 13.3
  },
  "luminance": 0.07507
}

Semantic roles & 50–950 ramp

primary

#90243B

secondary

#56BAA5

accent

#E3C145

background

#FBF6F6

surface

#F7EBEC

border

#D0C6C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90243B

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

Preview Lab → · Contrast checker → · Palette generator →