#5B9EE4#5B9EE4

#5B9EE4 is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.5% C 0.125 H 251.0°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EE4
RGB	rgb(91, 158, 228)
HSL	hsl(211, 72%, 63%)
HSV	hsv(211, 60%, 89%)
CMYK	cmyk(60.1%, 30.7%, 0%, 10.6%)
CIE-LAB	lab(63.57, -0.52, -41.77)
CIE-LCH	lch(63.57, 41.77, 269.29°)
OKLab	oklab(68.49% -0.0405 -0.1178)
OKLCH	oklch(68.49% 0.125 251)
XYZ	xyz(30.5398, 32.2765, 78.0043)
Luminance	0.3228 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EE4 #E4A15B

analogous

#5BE3E4 #5B9EE4 #5C5BE4

triadic

#5B9EE4 #E45B9E #9EE45B

tetradic

#5B9EE4 #E45BE3 #E4A15B #5BE45C

square

#5B9EE4 #E45BE3 #E4A15B #5BE45C

split-complementary

#5B9EE4 #E45C5B #E3E45B

monochromatic

#1C61A9 #267FDB #5B9EE4 #90BDED #C4DCF5

Accessibility & contrast

On white

2.82

#5B9EE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#5B9EE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EE4

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EE4	#FFFFFF	#000000	##000000
##5B9EE4	1.00	2.82	7.46	7.46
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80A1E7

Deuteranopia (green-blind)

#6E94E3

Tritanopia (blue-blind)

#00AEB7

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #5b9ee4;
/* rgb */ color: rgb(91, 158, 228);
/* oklch */ color: oklch(68.5% 0.125 251.0);

Tailwind

colors: {
  custom: {
    50: '#94baed',
    500: '#5b9ee4',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ee4;
$custom-light: #94baed;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ee4",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 228
  },
  "hsl": {
    "h": 210.657,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.68494,
    "c": 0.12461,
    "h": 251
  },
  "luminance": 0.32279
}

Semantic roles & 50–950 ramp

primary

#5B9EE4

secondary

#E6CEB4

accent

#7512D4

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1116

muted

#7E8084

Preview Lab

Preview with #5B9EE4

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

Preview Lab → · Contrast checker → · Palette generator →