#5BBFEB#5BBFEB

#5BBFEB is a light, moderate cyan. Relative luminance 0.455; OKLCH L 76.2% C 0.112 H 229.6°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#5BBFEB
RGB	rgb(91, 191, 235)
HSL	hsl(198, 78%, 64%)
HSV	hsv(198, 61%, 92%)
CMYK	cmyk(61.3%, 18.7%, 0%, 7.8%)
CIE-LAB	lab(73.21, -16.38, -30.61)
CIE-LCH	lch(73.21, 34.72, 241.85°)
OKLab	oklab(76.22% -0.0728 -0.0855)
OKLCH	oklch(76.22% 0.112 229.6)
XYZ	xyz(37.9347, 45.4801, 85.3605)
Luminance	0.4548 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBFEB #EB875B

analogous

#5BEBCF #5BBFEB #5B77EB

triadic

#5BBFEB #EB5BBF #BFEB5B

tetradic

#5BBFEB #CF5BEB #EB875B #77EB5B

square

#5BBFEB #CF5BEB #EB875B #77EB5B

split-complementary

#5BBFEB #EB5B77 #EBCF5B

monochromatic

#1685B5 #24AAE4 #5BBFEB #92D4F2 #C8EAF8

Accessibility & contrast

On white

2.08

#5BBFEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.10

#5BBFEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFEB

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBFEB	#FFFFFF	#000000	##000000
##5BBFEB	1.00	2.08	10.10	10.10
#FFFFFF	2.08	1.00	21.00	21.00
#000000	10.10	21.00	1.00	1.00
##000000	10.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BCED

Deuteranopia (green-blind)

#94ADEA

Tritanopia (blue-blind)

#00CBCD

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #5bbfeb;
/* rgb */ color: rgb(91, 191, 235);
/* oklch */ color: oklch(76.2% 0.112 229.6);

Tailwind

colors: {
  custom: {
    50: '#96d2f1',
    500: '#5bbfeb',
    950: '#000000',
  },
}

SCSS

$custom: #5bbfeb;
$custom-light: #96d2f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbfeb",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 235
  },
  "hsl": {
    "h": 198.333,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.76216,
    "c": 0.1123,
    "h": 229.6
  },
  "luminance": 0.45484
}

Semantic roles & 50–950 ramp

primary

#5BBFEB

secondary

#EAC7B8

accent

#4A0BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1416

muted

#7E8284

Preview Lab

Preview with #5BBFEB

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

Preview Lab → · Contrast checker → · Palette generator →