#5A91DB#5A91DB

#5A91DB is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.1% C 0.126 H 256.3°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#5A91DB
RGBrgb(90, 145, 219)
HSLhsl(214, 64%, 61%)
HSVhsv(214, 59%, 86%)
CMYKcmyk(58.9%, 33.8%, 0%, 14.1%)
CIE-LABlab(59.47, 3.89, -43.23)
CIE-LCHlch(59.47, 43.40, 275.15°)
OKLaboklab(65.13% -0.0299 -0.1222)
OKLCHoklch(65.13% 0.126 256.3)
XYZxyz(27.1235, 27.5366, 70.8898)
Luminance0.2754 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5A91DB #DBA45A
analogous
#5AD1DB #5A91DB #645ADB
triadic
#5A91DB #DB5A91 #91DB5A
tetradic
#5A91DB #DB5AD1 #DBA45A #5ADB64
square
#5A91DB #DB5AD1 #DBA45A #5ADB64
split-complementary
#5A91DB #DB645A #D1DB5A
monochromatic
#215499 #2C70CB #5A91DB #8CB2E6 #BED4F1

Accessibility & contrast

On white

3.23
#5A91DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.51
#5A91DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91DB
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5A91DB#FFFFFF#000000##000000
##5A91DB1.003.236.516.51
#FFFFFF3.231.0021.0021.00
#0000006.5121.001.001.00
##0000006.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7296DE
Deuteranopia (green-blind)
#618AD9
Tritanopia (blue-blind)
#00A2AC
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #5a91db;
/* rgb */ color: rgb(90, 145, 219);
/* oklch */ color: oklch(65.1% 0.126 256.3);
Tailwind
colors: {
  custom: {
    50: '#92b0e6',
    500: '#5a91db',
    950: '#000000',
  },
}
SCSS
$custom: #5a91db;
$custom-light: #92b0e6;
$custom-dark: #000000;
JSON
{
  "hex": "#5a91db",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 219
  },
  "hsl": {
    "h": 214.419,
    "s": 64.179,
    "l": 60.588
  },
  "oklch": {
    "l": 0.65132,
    "c": 0.12582,
    "h": 256.3
  },
  "luminance": 0.27539
}

Semantic roles & 50–950 ramp

primary
#5A91DB
secondary
#E1CCB0
accent
#801ACC
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #5A91DB

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

Preview Lab → · Contrast checker → · Palette generator →

#5A91DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva