#5BC9F4#5BC9F4

#5BC9F4 is a light, moderate cyan. Relative luminance 0.505; OKLCH L 78.9% C 0.117 H 226.9°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#5BC9F4
RGB	rgb(91, 201, 244)
HSL	hsl(197, 87%, 66%)
HSV	hsv(197, 63%, 96%)
CMYK	cmyk(62.7%, 17.6%, 0%, 4.3%)
CIE-LAB	lab(76.39, -18.84, -30.56)
CIE-LCH	lch(76.39, 35.90, 238.34°)
OKLab	oklab(78.87% -0.0799 -0.0853)
OKLCH	oklch(78.87% 0.117 226.9)
XYZ	xyz(41.5237, 50.5248, 93.1343)
Luminance	0.5053 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC9F4 #F4865B

analogous

#5BF4D3 #5BC9F4 #5B7CF4

triadic

#5BC9F4 #F45BC9 #C9F45B

tetradic

#5BC9F4 #D35BF4 #F4865B #7CF45B

square

#5BC9F4 #D35BF4 #F4865B #7CF45B

split-complementary

#5BC9F4 #F45B7C #F4D35B

monochromatic

#0D93C7 #22B6F0 #5BC9F4 #94DCF8 #CEEFFC

Accessibility & contrast

On white

1.89

#5BC9F4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#5BC9F4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC9F4

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC9F4	#FFFFFF	#000000	##000000
##5BC9F4	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C5F6

Deuteranopia (green-blind)

#9DB6F3

Tritanopia (blue-blind)

#00D6D7

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #5bc9f4;
/* rgb */ color: rgb(91, 201, 244);
/* oklch */ color: oklch(78.9% 0.117 226.9);

Tailwind

colors: {
  custom: {
    50: '#98d9f8',
    500: '#5bc9f4',
    950: '#000000',
  },
}

SCSS

$custom: #5bc9f4;
$custom-light: #98d9f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc9f4",
  "rgb": {
    "r": 91,
    "g": 201,
    "b": 244
  },
  "hsl": {
    "h": 196.863,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.78867,
    "c": 0.11687,
    "h": 226.9
  },
  "luminance": 0.50529
}

Semantic roles & 50–950 ramp

primary

#5BC9F4

secondary

#C4592F

accent

#4102E4

background

#FCFEFF

surface

#F5FBFE

border

#CFD4D6

text

#0F1417

muted

#808385

Preview Lab

Preview with #5BC9F4

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

Preview Lab → · Contrast checker → · Palette generator →