#5B91DA#5B91DA

#5B91DA is a light, vivid cyan. Relative luminance 0.275; OKLCH L 65.1% C 0.124 H 256.3°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#5B91DA
RGBrgb(91, 145, 218)
HSLhsl(214, 63%, 61%)
HSVhsv(214, 58%, 85%)
CMYKcmyk(58.3%, 33.5%, 0%, 14.5%)
CIE-LABlab(59.47, 3.77, -42.67)
CIE-LCHlch(59.47, 42.83, 275.04°)
OKLaboklab(65.13% -0.0293 -0.1206)
OKLCHoklch(65.13% 0.124 256.3)
XYZxyz(27.0902, 27.5346, 70.2032)
Luminance0.2754 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#5B91DA #DAA45B
analogous
#5BD1DA #5B91DA #645BDA
triadic
#5B91DA #DA5B91 #91DA5B
tetradic
#5B91DA #DA5BD1 #DAA45B #5BDA64
square
#5B91DA #DA5BD1 #DAA45B #5BDA64
split-complementary
#5B91DA #DA645B #D1DA5B
monochromatic
#225498 #2E70CA #5B91DA #8DB2E5 #BFD4F1

Accessibility & contrast

On white

3.23
#5B91DA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.51
#5B91DA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B91DA
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##5B91DA#FFFFFF#000000##000000
##5B91DA1.003.236.516.51
#FFFFFF3.231.0021.0021.00
#0000006.5121.001.001.00
##0000006.5121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7396DD
Deuteranopia (green-blind)
#628AD8
Tritanopia (blue-blind)
#00A1AB
Achromatopsia (no color)
#8F8F8F

Design tokens & code

CSS
--color: #5b91da;
/* rgb */ color: rgb(91, 145, 218);
/* oklch */ color: oklch(65.1% 0.124 256.3);
Tailwind
colors: {
  custom: {
    50: '#93b0e6',
    500: '#5b91da',
    950: '#000000',
  },
}
SCSS
$custom: #5b91da;
$custom-light: #93b0e6;
$custom-dark: #000000;
JSON
{
  "hex": "#5b91da",
  "rgb": {
    "r": 91,
    "g": 145,
    "b": 218
  },
  "hsl": {
    "h": 214.488,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.65127,
    "c": 0.12408,
    "h": 256.3
  },
  "luminance": 0.27537
}

Semantic roles & 50–950 ramp

primary
#5B91DA
secondary
#E1CCB0
accent
#801BCB
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0E1016
muted
#7E7F84

Preview Lab

Preview with #5B91DA

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

Preview Lab → · Contrast checker → · Palette generator →

#5B91DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva