#5BBBE1#5BBBE1

#5BBBE1 is a light, moderate cyan. Relative luminance 0.432; OKLCH L 74.9% C 0.105 H 226.7°. Best body text is #000000 at 9.64:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBE1
RGB	rgb(91, 187, 225)
HSL	hsl(197, 69%, 62%)
HSV	hsv(197, 60%, 88%)
CMYK	cmyk(59.6%, 16.9%, 0%, 11.8%)
CIE-LAB	lab(71.69, -17.31, -27.52)
CIE-LCH	lch(71.69, 32.51, 237.82°)
OKLab	oklab(74.88% -0.0722 -0.0767)
OKLCH	oklch(74.88% 0.105 226.7)
XYZ	xyz(35.6700, 43.1975, 77.6777)
Luminance	0.4320 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBE1 #E1815B

analogous

#5BE1C4 #5BBBE1 #5B78E1

triadic

#5BBBE1 #E15BBB #BBE15B

tetradic

#5BBBE1 #C45BE1 #E1815B #78E15B

square

#5BBBE1 #C45BE1 #E1815B #78E15B

split-complementary

#5BBBE1 #E15B78 #E1C45B

monochromatic

#1E7EA4 #27A5D7 #5BBBE1 #8FD0EA #C2E6F4

Accessibility & contrast

On white

2.18

#5BBBE1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.64

#5BBBE1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBE1

9.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBE1	#FFFFFF	#000000	##000000
##5BBBE1	1.00	2.18	9.64	9.64
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.64	21.00	1.00	1.00
##000000	9.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B8E3

Deuteranopia (green-blind)

#94A9E1

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbbe1;
/* rgb */ color: rgb(91, 187, 225);
/* oklch */ color: oklch(74.9% 0.105 226.7);

Tailwind

colors: {
  custom: {
    50: '#95cfea',
    500: '#5bbbe1',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbe1;
$custom-light: #95cfea;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbe1",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 225
  },
  "hsl": {
    "h": 197.015,
    "s": 69.072,
    "l": 61.961
  },
  "oklch": {
    "l": 0.74882,
    "c": 0.10534,
    "h": 226.7
  },
  "luminance": 0.43201
}

Semantic roles & 50–950 ramp

primary

#5BBBE1

secondary

#E5C1B3

accent

#4A14D1

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBE1

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

Preview Lab → · Contrast checker → · Palette generator →