#5BB8E4#5BB8E4

#5BB8E4 is a light, moderate cyan. Relative luminance 0.421; OKLCH L 74.3% C 0.109 H 231.2°. Best body text is #000000 at 9.42:1 contrast (WCAG AA passes).

Color values

HEX	#5BB8E4
RGB	rgb(91, 184, 228)
HSL	hsl(199, 72%, 63%)
HSV	hsv(199, 60%, 89%)
CMYK	cmyk(60.1%, 19.3%, 0%, 10.6%)
CIE-LAB	lab(70.94, -14.83, -30.30)
CIE-LCH	lch(70.94, 33.73, 243.93°)
OKLab	oklab(74.32% -0.068 -0.0846)
OKLCH	oklch(74.32% 0.109 231.2)
XYZ	xyz(35.4531, 42.1031, 79.6421)
Luminance	0.4211 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB8E4 #E4875B

analogous

#5BE4CB #5BB8E4 #5B73E4

triadic

#5BB8E4 #E45BB8 #B8E45B

tetradic

#5BB8E4 #CB5BE4 #E4875B #73E45B

square

#5BB8E4 #CB5BE4 #E4875B #73E45B

split-complementary

#5BB8E4 #E45B73 #E4CB5B

monochromatic

#1C7CA9 #26A1DB #5BB8E4 #90CFED #C4E5F5

Accessibility & contrast

On white

2.23

#5BB8E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.42

#5BB8E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB8E4

9.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB8E4	#FFFFFF	#000000	##000000
##5BB8E4	1.00	2.23	9.42	9.42
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.42	21.00	1.00	1.00
##000000	9.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2B6E6

Deuteranopia (green-blind)

#8FA7E3

Tritanopia (blue-blind)

#00C4C6

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #5bb8e4;
/* rgb */ color: rgb(91, 184, 228);
/* oklch */ color: oklch(74.3% 0.109 231.2);

Tailwind

colors: {
  custom: {
    50: '#95cdec',
    500: '#5bb8e4',
    950: '#000000',
  },
}

SCSS

$custom: #5bb8e4;
$custom-light: #95cdec;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb8e4",
  "rgb": {
    "r": 91,
    "g": 184,
    "b": 228
  },
  "hsl": {
    "h": 199.27,
    "s": 71.728,
    "l": 62.549
  },
  "oklch": {
    "l": 0.74323,
    "c": 0.10855,
    "h": 231.2
  },
  "luminance": 0.42107
}

Semantic roles & 50–950 ramp

primary

#5BB8E4

secondary

#E6C4B4

accent

#5012D4

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB8E4

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

Preview Lab → · Contrast checker → · Palette generator →