#5BC9E3#5BC9E3

#5BC9E3 is a light, moderate cyan. Relative luminance 0.495; OKLCH L 78.2% C 0.106 H 215.7°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9E3
RGB	rgb(91, 201, 227)
HSL	hsl(191, 71%, 62%)
HSV	hsv(191, 60%, 89%)
CMYK	cmyk(59.9%, 11.5%, 0%, 11%)
CIE-LAB	lab(75.79, -23.89, -22.34)
CIE-LCH	lch(75.79, 32.71, 223.08°)
OKLab	oklab(78.18% -0.0862 -0.062)
OKLCH	oklch(78.18% 0.106 215.7)
XYZ	xyz(39.0605, 49.5395, 80.1617)
Luminance	0.4954 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9E3 #E3755B

analogous

#5BE3B9 #5BC9E3 #5B85E3

triadic

#5BC9E3 #E35BC9 #C9E35B

tetradic

#5BC9E3 #B95BE3 #E3755B #85E35B

square

#5BC9E3 #B95BE3 #E3755B #85E35B

split-complementary

#5BC9E3 #E35B85 #E3B95B

monochromatic

#1D8DA7 #27B8DA #5BC9E3 #8FDAEC #C4EBF5

Accessibility & contrast

On white

1.93

#5BC9E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#5BC9E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9E3

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9E3	#FFFFFF	#000000	##000000
##5BC9E3	1.00	1.93	10.91	10.91
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7C3E4

Deuteranopia (green-blind)

#A3B4E3

Tritanopia (blue-blind)

#00D3D1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #5bc9e3;
/* rgb */ color: rgb(91, 201, 227);
/* oklch */ color: oklch(78.2% 0.106 215.7);

Tailwind

colors: {
  custom: {
    50: '#96d9eb',
    500: '#5bc9e3',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9e3;
$custom-light: #96d9eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9e3",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 227
  },
  "hsl": {
    "h": 191.471,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.78183,
    "c": 0.10619,
    "h": 215.7
  },
  "luminance": 0.49543
}

Semantic roles & 50–950 ramp

primary

#5BC9E3

secondary

#E6BEB4

accent

#3713D3

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #5BC9E3

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

Preview Lab → · Contrast checker → · Palette generator →