#5BC5E9#5BC5E9

#5BC5E9 is a light, moderate cyan. Relative luminance 0.480; OKLCH L 77.5% C 0.110 H 223.3°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#5BC5E9
RGB	rgb(91, 197, 233)
HSL	hsl(195, 76%, 64%)
HSV	hsv(195, 61%, 91%)
CMYK	cmyk(60.9%, 15.5%, 0%, 8.6%)
CIE-LAB	lab(74.85, -20.09, -27.01)
CIE-LCH	lch(74.85, 33.66, 233.35°)
OKLab	oklab(77.5% -0.0798 -0.0752)
OKLCH	oklch(77.5% 0.11 223.3)
XYZ	xyz(38.9828, 48.0359, 84.2924)
Luminance	0.4804 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC5E9 #E97F5B

analogous

#5BE9C6 #5BC5E9 #5B7EE9

triadic

#5BC5E9 #E95BC5 #C5E95B

tetradic

#5BC5E9 #C65BE9 #E97F5B #7EE95B

square

#5BC5E9 #C65BE9 #E97F5B #7EE95B

split-complementary

#5BC5E9 #E95B7E #E9C65B

monochromatic

#188BB2 #25B2E2 #5BC5E9 #91D8F0 #C7EBF7

Accessibility & contrast

On white

1.98

#5BC5E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#5BC5E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC5E9

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC5E9	#FFFFFF	#000000	##000000
##5BC5E9	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0C1EB

Deuteranopia (green-blind)

#9CB2E9

Tritanopia (blue-blind)

#00D0D0

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #5bc5e9;
/* rgb */ color: rgb(91, 197, 233);
/* oklch */ color: oklch(77.5% 0.110 223.3);

Tailwind

colors: {
  custom: {
    50: '#96d6f0',
    500: '#5bc5e9',
    950: '#000000',
  },
}

SCSS

$custom: #5bc5e9;
$custom-light: #96d6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc5e9",
  "rgb": {
    "r": 91,
    "g": 197,
    "b": 233
  },
  "hsl": {
    "h": 195.211,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.77501,
    "c": 0.10964,
    "h": 223.3
  },
  "luminance": 0.4804
}

Semantic roles & 50–950 ramp

primary

#5BC5E9

secondary

#E9C3B7

accent

#410DD9

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0F1416

muted

#7E8384

Preview Lab

Preview with #5BC5E9

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

Preview Lab → · Contrast checker → · Palette generator →