#90B1F9#90B1F9

#90B1F9 is a light, moderate blue. Relative luminance 0.442; OKLCH L 76.4% C 0.110 H 265.0°. Best body text is #000000 at 9.84:1 contrast (WCAG AA passes).

Color values

HEX#90B1F9
RGBrgb(144, 177, 249)
HSLhsl(221, 90%, 77%)
HSVhsv(221, 42%, 98%)
CMYKcmyk(42.2%, 28.9%, 0%, 2.4%)
CIE-LABlab(72.37, 6.82, -39.29)
CIE-LCHlch(72.37, 39.87, 279.84°)
OKLaboklab(76.4% -0.0096 -0.1098)
OKLCHoklch(76.4% 0.11 265)
XYZxyz(44.3172, 44.2107, 95.8025)
Luminance0.4421 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#90B1F9 #F9D890
analogous
#90E6F9 #90B1F9 #A490F9
triadic
#90B1F9 #F990B1 #B1F990
tetradic
#90B1F9 #F990E6 #F9D890 #90F9A4
square
#90B1F9 #F990E6 #F9D890 #90F9A4
split-complementary
#90B1F9 #F9A490 #E6F990
monochromatic
#1C5FF3 #5688F6 #90B1F9 #CADAFC #E2EBFD

Accessibility & contrast

On white

2.13
#90B1F9 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.84
#90B1F9 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #90B1F9
9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##90B1F9#FFFFFF#000000##000000
##90B1F91.002.139.849.84
#FFFFFF2.131.0021.0021.00
#0000009.8421.001.001.00
##0000009.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#97B7FC
Deuteranopia (green-blind)
#8DADF7
Tritanopia (blue-blind)
#6BC0CA
Achromatopsia (no color)
#B1B1B1

Design tokens & code

CSS
--color: #90b1f9;
/* rgb */ color: rgb(144, 177, 249);
/* oklch */ color: oklch(76.4% 0.110 265.0);
Tailwind
colors: {
  custom: {
    50: '#b4c8fb',
    500: '#90b1f9',
    950: '#000000',
  },
}
SCSS
$custom: #90b1f9;
$custom-light: #b4c8fb;
$custom-dark: #000000;
JSON
{
  "hex": "#90b1f9",
  "rgb": {
    "r": 144,
    "g": 177,
    "b": 249
  },
  "hsl": {
    "h": 221.143,
    "s": 89.744,
    "l": 77.059
  },
  "oklch": {
    "l": 0.76399,
    "c": 0.11022,
    "h": 265
  },
  "luminance": 0.44213
}

Semantic roles & 50–950 ramp

primary
#90B1F9
secondary
#F6EBD5
accent
#9D00E6
background
#FBFCFF
surface
#F6F8FF
border
#D0D1D7
text
#111317
muted
#808285

Preview Lab

Preview with #90B1F9

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

Preview Lab → · Contrast checker → · Palette generator →

#90B1F9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva