#5BB9EB#5BB9EB

#5BB9EB is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.9% C 0.114 H 234.4°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9EB
RGB	rgb(91, 185, 235)
HSL	hsl(201, 78%, 64%)
HSV	hsv(201, 61%, 92%)
CMYK	cmyk(61.3%, 21.3%, 0%, 7.8%)
CIE-LAB	lab(71.50, -13.21, -33.25)
CIE-LCH	lch(71.50, 35.78, 248.33°)
OKLab	oklab(74.86% -0.0666 -0.0931)
OKLCH	oklch(74.86% 0.114 234.4)
XYZ	xyz(36.6530, 42.9166, 84.9333)
Luminance	0.4292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9EB #EB8D5B

analogous

#5BEBD5 #5BB9EB #5B71EB

triadic

#5BB9EB #EB5BB9 #B9EB5B

tetradic

#5BB9EB #D55BEB #EB8D5B #71EB5B

square

#5BB9EB #D55BEB #EB8D5B #71EB5B

split-complementary

#5BB9EB #EB5B71 #EBD55B

monochromatic

#167EB5 #24A2E4 #5BB9EB #92D0F2 #C8E8F8

Accessibility & contrast

On white

2.19

#5BB9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#5BB9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9EB

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9EB	#FFFFFF	#000000	##000000
##5BB9EB	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B7ED

Deuteranopia (green-blind)

#8DA9EA

Tritanopia (blue-blind)

#00C6CA

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb9eb;
/* rgb */ color: rgb(91, 185, 235);
/* oklch */ color: oklch(74.9% 0.114 234.4);

Tailwind

colors: {
  custom: {
    50: '#96cef1',
    500: '#5bb9eb',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9eb;
$custom-light: #96cef1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9eb",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 235
  },
  "hsl": {
    "h": 200.833,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.74856,
    "c": 0.11444,
    "h": 234.4
  },
  "luminance": 0.4292
}

Semantic roles & 50–950 ramp

primary

#5BB9EB

secondary

#EAC9B8

accent

#530BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9EB

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

Preview Lab → · Contrast checker → · Palette generator →