#5BC9F3#5BC9F3

#5BC9F3 is a light, moderate cyan. Relative luminance 0.505; OKLCH L 78.8% C 0.116 H 226.3°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9F3
RGB	rgb(91, 201, 243)
HSL	hsl(197, 86%, 65%)
HSV	hsv(197, 63%, 95%)
CMYK	cmyk(62.6%, 17.3%, 0%, 4.7%)
CIE-LAB	lab(76.35, -19.14, -30.08)
CIE-LCH	lch(76.35, 35.65, 237.52°)
OKLab	oklab(78.83% -0.0802 -0.084)
OKLCH	oklch(78.83% 0.116 226.3)
XYZ	xyz(41.3723, 50.4642, 92.3369)
Luminance	0.5047 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9F3 #F3855B

analogous

#5BF3D1 #5BC9F3 #5B7DF3

triadic

#5BC9F3 #F35BC9 #C9F35B

tetradic

#5BC9F3 #D15BF3 #F3855B #7DF35B

square

#5BC9F3 #D15BF3 #F3855B #7DF35B

split-complementary

#5BC9F3 #F35B7D #F3D15B

monochromatic

#0E93C5 #22B6EF #5BC9F3 #94DCF7 #CDEFFB

Accessibility & contrast

On white

1.89

#5BC9F3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#5BC9F3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9F3

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9F3	#FFFFFF	#000000	##000000
##5BC9F3	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F5

Deuteranopia (green-blind)

#9DB5F3

Tritanopia (blue-blind)

#00D5D7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #5bc9f3;
/* rgb */ color: rgb(91, 201, 243);
/* oklch */ color: oklch(78.8% 0.116 226.3);

Tailwind

colors: {
  custom: {
    50: '#97d9f7',
    500: '#5bc9f3',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9f3;
$custom-light: #97d9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9f3",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 243
  },
  "hsl": {
    "h": 196.579,
    "s": 86.364,
    "l": 65.49
  },
  "oklch": {
    "l": 0.78825,
    "c": 0.11613,
    "h": 226.3
  },
  "luminance": 0.50468
}

Semantic roles & 50–950 ramp

primary

#5BC9F3

secondary

#C25830

accent

#4103E3

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #5BC9F3

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

Preview Lab → · Contrast checker → · Palette generator →