#5BBDE9#5BBDE9

#5BBDE9 is a light, moderate cyan. Relative luminance 0.445; OKLCH L 75.7% C 0.111 H 230.0°. Best body text is #000000 at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDE9
RGB	rgb(91, 189, 233)
HSL	hsl(199, 76%, 64%)
HSV	hsv(199, 61%, 91%)
CMYK	cmyk(60.9%, 18.9%, 0%, 8.6%)
CIE-LAB	lab(72.56, -15.94, -30.52)
CIE-LCH	lch(72.56, 34.43, 242.42°)
OKLab	oklab(75.68% -0.0714 -0.0853)
OKLCH	oklch(75.68% 0.111 230)
XYZ	xyz(37.2142, 44.4988, 83.7029)
Luminance	0.4450 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDE9 #E9875B

analogous

#5BE9CE #5BBDE9 #5B76E9

triadic

#5BBDE9 #E95BBD #BDE95B

tetradic

#5BBDE9 #CE5BE9 #E9875B #76E95B

square

#5BBDE9 #CE5BE9 #E9875B #76E95B

split-complementary

#5BBDE9 #E95B76 #E9CE5B

monochromatic

#1882B2 #25A7E2 #5BBDE9 #91D3F0 #C7E8F7

Accessibility & contrast

On white

2.12

#5BBDE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.90

#5BBDE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDE9

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDE9	#FFFFFF	#000000	##000000
##5BBDE9	1.00	2.12	9.90	9.90
#FFFFFF	2.12	1.00	21.00	21.00
#000000	9.90	21.00	1.00	1.00
##000000	9.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7BAEB

Deuteranopia (green-blind)

#93ACE8

Tritanopia (blue-blind)

#00C9CB

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #5bbde9;
/* rgb */ color: rgb(91, 189, 233);
/* oklch */ color: oklch(75.7% 0.111 230.0);

Tailwind

colors: {
  custom: {
    50: '#96d1f0',
    500: '#5bbde9',
    950: '#000000',
  },
}

SCSS

$custom: #5bbde9;
$custom-light: #96d1f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbde9",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 233
  },
  "hsl": {
    "h": 198.592,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.75676,
    "c": 0.11123,
    "h": 230
  },
  "luminance": 0.44503
}

Semantic roles & 50–950 ramp

primary

#5BBDE9

secondary

#E9C6B7

accent

#4C0DD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBDE9

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

Preview Lab → · Contrast checker → · Palette generator →