#5BD5F6#5BD5F6

#5BD5F6 is a light, moderate cyan. Relative luminance 0.565; OKLCH L 81.7% C 0.117 H 218.7°. Best body text is #000000 at 12.29:1 contrast (WCAG AA passes).

Color values

HEX	#5BD5F6
RGB	rgb(91, 213, 246)
HSL	hsl(193, 90%, 66%)
HSV	hsv(193, 63%, 96%)
CMYK	cmyk(63%, 13.4%, 0%, 3.5%)
CIE-LAB	lab(79.88, -24.32, -26.28)
CIE-LCH	lch(79.88, 35.81, 227.22°)
OKLab	oklab(81.68% -0.0913 -0.0732)
OKLCH	oklch(81.68% 0.117 218.7)
XYZ	xyz(44.7364, 56.4617, 95.7115)
Luminance	0.5647 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BD5F6 #F67C5B

analogous

#5BF6C9 #5BD5F6 #5B87F6

triadic

#5BD5F6 #F65BD5 #D5F65B

tetradic

#5BD5F6 #C95BF6 #F67C5B #87F65B

square

#5BD5F6 #C95BF6 #F67C5B #87F65B

split-complementary

#5BD5F6 #F65B87 #F6C95B

monochromatic

#0BA2CB #21C6F3 #5BD5F6 #95E4F9 #CFF3FC

Accessibility & contrast

On white

1.71

#5BD5F6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.29

#5BD5F6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BD5F6

12.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BD5F6	#FFFFFF	#000000	##000000
##5BD5F6	1.00	1.71	12.29	12.29
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.29	21.00	1.00	1.00
##000000	12.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0CFF8

Deuteranopia (green-blind)

#AABFF6

Tritanopia (blue-blind)

#00E0DF

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #5bd5f6;
/* rgb */ color: rgb(91, 213, 246);
/* oklch */ color: oklch(81.7% 0.117 218.7);

Tailwind

colors: {
  custom: {
    50: '#99e2f9',
    500: '#5bd5f6',
    950: '#000000',
  },
}

SCSS

$custom: #5bd5f6;
$custom-light: #99e2f9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bd5f6",
  "rgb": {
    "r": 91,
    "g": 213,
    "b": 246
  },
  "hsl": {
    "h": 192.774,
    "s": 89.595,
    "l": 66.078
  },
  "oklch": {
    "l": 0.8168,
    "c": 0.11697,
    "h": 218.7
  },
  "luminance": 0.56466
}

Semantic roles & 50–950 ramp

primary

#5BD5F6

secondary

#C74E2E

accent

#3100E6

background

#FCFEFF

surface

#F5FCFF

border

#CFD5D7

text

#0F1517

muted

#808485

Preview Lab

Preview with #5BD5F6

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

Preview Lab → · Contrast checker → · Palette generator →