#5BBDEB#5BBDEB

#5BBDEB is a light, moderate cyan. Relative luminance 0.446; OKLCH L 75.8% C 0.113 H 231.2°. Best body text is #000000 at 9.92:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDEB
RGB	rgb(91, 189, 235)
HSL	hsl(199, 78%, 64%)
HSV	hsv(199, 61%, 92%)
CMYK	cmyk(61.3%, 19.6%, 0%, 7.8%)
CIE-LAB	lab(72.64, -15.33, -31.49)
CIE-LCH	lch(72.64, 35.02, 244.04°)
OKLab	oklab(75.76% -0.0707 -0.088)
OKLCH	oklch(75.76% 0.113 231.2)
XYZ	xyz(37.5016, 44.6138, 85.2161)
Luminance	0.4462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDEB #EB895B

analogous

#5BEBD1 #5BBDEB #5B75EB

triadic

#5BBDEB #EB5BBD #BDEB5B

tetradic

#5BBDEB #D15BEB #EB895B #75EB5B

square

#5BBDEB #D15BEB #EB895B #75EB5B

split-complementary

#5BBDEB #EB5B75 #EBD15B

monochromatic

#1683B5 #24A7E4 #5BBDEB #92D3F2 #C8E9F8

Accessibility & contrast

On white

2.12

#5BBDEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.92

#5BBDEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDEB

9.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDEB	#FFFFFF	#000000	##000000
##5BBDEB	1.00	2.12	9.92	9.92
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.92	21.00	1.00	1.00
##000000	9.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6BBED

Deuteranopia (green-blind)

#92ACEA

Tritanopia (blue-blind)

#00CACC

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #5bbdeb;
/* rgb */ color: rgb(91, 189, 235);
/* oklch */ color: oklch(75.8% 0.113 231.2);

Tailwind

colors: {
  custom: {
    50: '#96d0f1',
    500: '#5bbdeb',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdeb;
$custom-light: #96d0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdeb",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 235
  },
  "hsl": {
    "h": 199.167,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.75762,
    "c": 0.11292,
    "h": 231.2
  },
  "luminance": 0.44617
}

Semantic roles & 50–950 ramp

primary

#5BBDEB

secondary

#EAC8B8

accent

#4D0BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #5BBDEB

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

Preview Lab → · Contrast checker → · Palette generator →