#90A5FB#90A5FB

#90A5FB is a light, vivid blue. Relative luminance 0.398; OKLCH L 74.1% C 0.127 H 272.5°. Best body text is #000000 at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#90A5FB
RGB	rgb(144, 165, 251)
HSL	hsl(228, 93%, 77%)
HSV	hsv(228, 43%, 98%)
CMYK	cmyk(42.6%, 34.3%, 0%, 1.6%)
CIE-LAB	lab(69.33, 14.14, -45.12)
CIE-LCH	lch(69.33, 47.29, 287.40°)
OKLab	oklab(74.07% 0.0056 -0.1267)
OKLCH	oklch(74.07% 0.127 272.5)
XYZ	xyz(42.3640, 39.8024, 96.6985)
Luminance	0.3981 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#90A5FB #FBE690

analogous

#90DBFB #90A5FB #B090FB

triadic

#90A5FB #FB90A5 #A5FB90

tetradic

#90A5FB #FB90DB #FBE690 #90FBB0

square

#90A5FB #FB90DB #FBE690 #90FBB0

split-complementary

#90A5FB #FBB090 #DBFB90

monochromatic

#1A45F7 #5575F9 #90A5FB #CBD5FD #E1E7FE

Accessibility & contrast

On white

2.34

#90A5FB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.96

#90A5FB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90A5FB

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##90A5FB	#FFFFFF	#000000	##000000
##90A5FB	1.00	2.34	8.96	8.96
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.96	21.00	1.00	1.00
##000000	8.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87AEFF

Deuteranopia (green-blind)

#7DA5F9

Tritanopia (blue-blind)

#6CB7C4

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #90a5fb;
/* rgb */ color: rgb(144, 165, 251);
/* oklch */ color: oklch(74.1% 0.127 272.5);

Tailwind

colors: {
  custom: {
    50: '#b5bffd',
    500: '#90a5fb',
    950: '#000000',
  },
}

SCSS

$custom: #90a5fb;
$custom-light: #b5bffd;
$custom-dark: #000000;

JSON

{
  "hex": "#90a5fb",
  "rgb": {
    "r": 144,
    "g": 165,
    "b": 251
  },
  "hsl": {
    "h": 228.224,
    "s": 93.043,
    "l": 77.451
  },
  "oklch": {
    "l": 0.74069,
    "c": 0.12683,
    "h": 272.5
  },
  "luminance": 0.39805
}

Semantic roles & 50–950 ramp

primary

#90A5FB

secondary

#F6F0D5

accent

#B800E6

background

#FBFBFF

surface

#F6F7FF

border

#D0D0D7

text

#111217

muted

#808185

Preview Lab

Preview with #90A5FB

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

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