#5BC9EB#5BC9EB

#5BC9EB is a light, moderate cyan. Relative luminance 0.500; OKLCH L 78.5% C 0.111 H 221.3°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9EB
RGB	rgb(91, 201, 235)
HSL	hsl(194, 78%, 64%)
HSV	hsv(194, 61%, 92%)
CMYK	cmyk(61.3%, 14.5%, 0%, 7.8%)
CIE-LAB	lab(76.06, -21.54, -26.22)
CIE-LCH	lch(76.06, 33.94, 230.60°)
OKLab	oklab(78.5% -0.0832 -0.073)
OKLCH	oklch(78.5% 0.111 221.3)
XYZ	xyz(40.1904, 49.9915, 86.1124)
Luminance	0.5000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9EB #EB7D5B

analogous

#5BEBC5 #5BC9EB #5B81EB

triadic

#5BC9EB #EB5BC9 #C9EB5B

tetradic

#5BC9EB #C55BEB #EB7D5B #81EB5B

square

#5BC9EB #C55BEB #EB7D5B #81EB5B

split-complementary

#5BC9EB #EB5B81 #EBC55B

monochromatic

#1690B5 #24B7E4 #5BC9EB #92DBF2 #C8EDF8

Accessibility & contrast

On white

1.91

#5BC9EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#5BC9EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9EB

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9EB	#FFFFFF	#000000	##000000
##5BC9EB	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C4ED

Deuteranopia (green-blind)

#A0B5EB

Tritanopia (blue-blind)

#00D4D4

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #5bc9eb;
/* rgb */ color: rgb(91, 201, 235);
/* oklch */ color: oklch(78.5% 0.111 221.3);

Tailwind

colors: {
  custom: {
    50: '#97d9f1',
    500: '#5bc9eb',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9eb;
$custom-light: #97d9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9eb",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 235
  },
  "hsl": {
    "h": 194.167,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.78498,
    "c": 0.11066,
    "h": 221.3
  },
  "luminance": 0.49996
}

Semantic roles & 50–950 ramp

primary

#5BC9EB

secondary

#EAC4B8

accent

#3C0BDB

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1416

muted

#7E8384

Preview Lab

Preview with #5BC9EB

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

Preview Lab → · Contrast checker → · Palette generator →