#90303C#90303C

#90303C is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.4% C 0.129 H 16.7°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#90303C
RGB	rgb(144, 48, 60)
HSL	hsl(353, 50%, 38%)
HSV	hsv(353, 67%, 56%)
CMYK	cmyk(0%, 66.7%, 58.3%, 43.5%)
CIE-LAB	lab(34.74, 41.35, 14.99)
CIE-LCH	lch(34.74, 43.98, 19.93°)
OKLab	oklab(45.35% 0.1239 0.0371)
OKLCH	oklch(45.35% 0.129 16.7)
XYZ	xyz(13.3754, 8.3712, 5.1856)
Luminance	0.0837 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90303C #309084

analogous

#90306C #90303C #905430

triadic

#90303C #3C9030 #303C90

tetradic

#90303C #6C9030 #309084 #543090

square

#90303C #6C9030 #309084 #543090

split-complementary

#90303C #309054 #306C90

monochromatic

#341116 #622129 #90303C #BE3F4F #CE6C79

Accessibility & contrast

On white

7.85

#90303C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#90303C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #90303C

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90303C	#FFFFFF	#000000	##FFFFFF
##90303C	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48453C

Deuteranopia (green-blind)

#60593A

Tritanopia (blue-blind)

#9E1D35

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #90303c;
/* rgb */ color: rgb(144, 48, 60);
/* oklch */ color: oklch(45.4% 0.129 16.7);

Tailwind

colors: {
  custom: {
    50: '#b66e71',
    500: '#90303c',
    950: '#000000',
  },
}

SCSS

$custom: #90303c;
$custom-light: #b66e71;
$custom-dark: #000000;

JSON

{
  "hex": "#90303c",
  "rgb": {
    "r": 144,
    "g": 48,
    "b": 60
  },
  "hsl": {
    "h": 352.5,
    "s": 50,
    "l": 37.647
  },
  "oklch": {
    "l": 0.45352,
    "c": 0.12933,
    "h": 16.7
  },
  "luminance": 0.08369
}

Semantic roles & 50–950 ramp

primary

#90303C

secondary

#66B5AC

accent

#DAC84E

background

#FBF6F6

surface

#F7ECEC

border

#D0C7C7

text

#120707

muted

#817A7A

Preview Lab

Preview with #90303C

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

Preview Lab → · Contrast checker → · Palette generator →