#5BC9E8#5BC9E8

#5BC9E8 is a light, moderate cyan. Relative luminance 0.498; OKLCH L 78.4% C 0.109 H 219.3°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9E8
RGB	rgb(91, 201, 232)
HSL	hsl(193, 75%, 63%)
HSV	hsv(193, 61%, 91%)
CMYK	cmyk(60.8%, 13.4%, 0%, 9%)
CIE-LAB	lab(75.96, -22.43, -24.77)
CIE-LCH	lch(75.96, 33.41, 227.84°)
OKLab	oklab(78.38% -0.0843 -0.0689)
OKLCH	oklch(78.38% 0.109 219.3)
XYZ	xyz(39.7607, 49.8196, 83.8490)
Luminance	0.4982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9E8 #E87A5B

analogous

#5BE8C0 #5BC9E8 #5B83E8

triadic

#5BC9E8 #E85BC9 #C9E85B

tetradic

#5BC9E8 #C05BE8 #E87A5B #83E85B

square

#5BC9E8 #C05BE8 #E87A5B #83E85B

split-complementary

#5BC9E8 #E85B83 #E8C05B

monochromatic

#198FB0 #25B7E0 #5BC9E8 #91DBF0 #C6ECF7

Accessibility & contrast

On white

1.92

#5BC9E8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#5BC9E8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9E8

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9E8	#FFFFFF	#000000	##000000
##5BC9E8	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C4EA

Deuteranopia (green-blind)

#A1B5E8

Tritanopia (blue-blind)

#00D3D3

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #5bc9e8;
/* rgb */ color: rgb(91, 201, 232);
/* oklch */ color: oklch(78.4% 0.109 219.3);

Tailwind

colors: {
  custom: {
    50: '#96d9ef',
    500: '#5bc9e8',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9e8;
$custom-light: #96d9ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9e8",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 232
  },
  "hsl": {
    "h": 193.191,
    "s": 75.401,
    "l": 63.333
  },
  "oklch": {
    "l": 0.78378,
    "c": 0.10885,
    "h": 219.3
  },
  "luminance": 0.49824
}

Semantic roles & 50–950 ramp

primary

#5BC9E8

secondary

#E9C1B6

accent

#3A0ED8

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1416

muted

#7E8384

Preview Lab

Preview with #5BC9E8

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

Preview Lab → · Contrast checker → · Palette generator →