#90A3FA#90A3FA

#90A3FA is a light, vivid blue. Relative luminance 0.390; OKLCH L 73.6% C 0.128 H 273.5°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#90A3FA
RGB	rgb(144, 163, 250)
HSL	hsl(229, 91%, 77%)
HSV	hsv(229, 42%, 98%)
CMYK	cmyk(42.4%, 34.8%, 0%, 2%)
CIE-LAB	lab(68.77, 15.00, -45.46)
CIE-LCH	lch(68.77, 47.87, 288.26°)
OKLab	oklab(73.62% 0.0078 -0.1277)
OKLCH	oklch(73.62% 0.128 273.5)
XYZ	xyz(41.8488, 39.0237, 95.7512)
Luminance	0.3903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90A3FA #FAE790

analogous

#90D8FA #90A3FA #B290FA

triadic

#90A3FA #FA90A3 #A3FA90

tetradic

#90A3FA #FA90D8 #FAE790 #90FAB2

square

#90A3FA #FA90D8 #FAE790 #90FAB2

split-complementary

#90A3FA #FAB290 #D8FA90

monochromatic

#1B42F5 #5572F7 #90A3FA #CBD4FD #E2E7FE

Accessibility & contrast

On white

2.38

#90A3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#90A3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90A3FA

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90A3FA	#FFFFFF	#000000	##000000
##90A3FA	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84ACFE

Deuteranopia (green-blind)

#7BA4F8

Tritanopia (blue-blind)

#6CB5C3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #90a3fa;
/* rgb */ color: rgb(144, 163, 250);
/* oklch */ color: oklch(73.6% 0.128 273.5);

Tailwind

colors: {
  custom: {
    50: '#b5befc',
    500: '#90a3fa',
    950: '#000000',
  },
}

SCSS

$custom: #90a3fa;
$custom-light: #b5befc;
$custom-dark: #000000;

JSON

{
  "hex": "#90a3fa",
  "rgb": {
    "r": 144,
    "g": 163,
    "b": 250
  },
  "hsl": {
    "h": 229.245,
    "s": 91.379,
    "l": 77.255
  },
  "oklch": {
    "l": 0.73622,
    "c": 0.12793,
    "h": 273.5
  },
  "luminance": 0.39026
}

Semantic roles & 50–950 ramp

primary

#90A3FA

secondary

#F6F0D5

accent

#BC00E6

background

#FBFBFF

surface

#F6F6FF

border

#D0D0D7

text

#111217

muted

#808185

Preview Lab

Preview with #90A3FA

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

Preview Lab → · Contrast checker → · Palette generator →