#5BB9E6#5BB9E6

#5BB9E6 is a light, moderate cyan. Relative luminance 0.426; OKLCH L 74.6% C 0.110 H 231.6°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9E6
RGB	rgb(91, 185, 230)
HSL	hsl(199, 74%, 63%)
HSV	hsv(199, 60%, 90%)
CMYK	cmyk(60.4%, 19.6%, 0%, 9.8%)
CIE-LAB	lab(71.30, -14.75, -30.83)
CIE-LCH	lch(71.30, 34.18, 244.44°)
OKLab	oklab(74.64% -0.0683 -0.0861)
OKLCH	oklch(74.64% 0.11 231.6)
XYZ	xyz(35.9408, 42.6317, 81.1822)
Luminance	0.4264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9E6 #E6885B

analogous

#5BE6CD #5BB9E6 #5B74E6

triadic

#5BB9E6 #E65BB9 #B9E65B

tetradic

#5BB9E6 #CD5BE6 #E6885B #74E65B

square

#5BB9E6 #CD5BE6 #E6885B #74E65B

split-complementary

#5BB9E6 #E65B74 #E6CD5B

monochromatic

#1A7DAC #26A2DE #5BB9E6 #90D0EE #C5E6F6

Accessibility & contrast

On white

2.20

#5BB9E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#5BB9E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9E6

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9E6	#FFFFFF	#000000	##000000
##5BB9E6	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3B7E8

Deuteranopia (green-blind)

#8FA8E5

Tritanopia (blue-blind)

#00C5C8

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bb9e6;
/* rgb */ color: rgb(91, 185, 230);
/* oklch */ color: oklch(74.6% 0.110 231.6);

Tailwind

colors: {
  custom: {
    50: '#95ceee',
    500: '#5bb9e6',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9e6;
$custom-light: #95ceee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9e6",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 230
  },
  "hsl": {
    "h": 199.424,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.74637,
    "c": 0.10995,
    "h": 231.6
  },
  "luminance": 0.42635
}

Semantic roles & 50–950 ramp

primary

#5BB9E6

secondary

#E7C6B5

accent

#5010D6

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB9E6

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

Preview Lab → · Contrast checker → · Palette generator →