#5BB5E4#5BB5E4

#5BB5E4 is a light, moderate cyan. Relative luminance 0.409; OKLCH L 73.6% C 0.110 H 233.8°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#5BB5E4
RGB	rgb(91, 181, 228)
HSL	hsl(201, 72%, 63%)
HSV	hsv(201, 60%, 89%)
CMYK	cmyk(60.1%, 20.6%, 0%, 10.6%)
CIE-LAB	lab(70.08, -13.23, -31.62)
CIE-LCH	lch(70.08, 34.28, 247.30°)
OKLab	oklab(73.64% -0.0648 -0.0884)
OKLCH	oklch(73.64% 0.11 233.8)
XYZ	xyz(34.8365, 40.8699, 79.4366)
Luminance	0.4087 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB5E4 #E48A5B

analogous

#5BE4CF #5BB5E4 #5B70E4

triadic

#5BB5E4 #E45BB5 #B5E45B

tetradic

#5BB5E4 #CF5BE4 #E48A5B #70E45B

square

#5BB5E4 #CF5BE4 #E48A5B #70E45B

split-complementary

#5BB5E4 #E45B70 #E4CF5B

monochromatic

#1C78A9 #269DDB #5BB5E4 #90CDED #C4E4F5

Accessibility & contrast

On white

2.29

#5BB5E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#5BB5E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB5E4

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB5E4	#FFFFFF	#000000	##000000
##5BB5E4	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EB3E6

Deuteranopia (green-blind)

#8BA5E3

Tritanopia (blue-blind)

#00C2C5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb5e4;
/* rgb */ color: rgb(91, 181, 228);
/* oklch */ color: oklch(73.6% 0.110 233.8);

Tailwind

colors: {
  custom: {
    50: '#95cbec',
    500: '#5bb5e4',
    950: '#000000',
  },
}

SCSS

$custom: #5bb5e4;
$custom-light: #95cbec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb5e4",
  "rgb": {
    "r": 91,
    "g": 181,
    "b": 228
  },
  "hsl": {
    "h": 200.584,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.73641,
    "c": 0.10964,
    "h": 233.8
  },
  "luminance": 0.40873
}

Semantic roles & 50–950 ramp

primary

#5BB5E4

secondary

#E6C6B4

accent

#5412D4

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB5E4

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

Preview Lab → · Contrast checker → · Palette generator →