#5BBCDF#5BBCDF

#5BBCDF is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.0% C 0.104 H 224.5°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCDF
RGB	rgb(91, 188, 223)
HSL	hsl(196, 67%, 62%)
HSV	hsv(196, 59%, 87%)
CMYK	cmyk(59.2%, 15.7%, 0%, 12.5%)
CIE-LAB	lab(71.90, -18.43, -26.10)
CIE-LCH	lch(71.90, 31.96, 234.77°)
OKLab	oklab(75.03% -0.074 -0.0727)
OKLCH	oklch(75.03% 0.104 224.5)
XYZ	xyz(35.6117, 43.5148, 76.3202)
Luminance	0.4352 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCDF #DF7E5B

analogous

#5BDFC0 #5BBCDF #5B7ADF

triadic

#5BBCDF #DF5BBC #BCDF5B

tetradic

#5BBCDF #C05BDF #DF7E5B #7ADF5B

square

#5BBCDF #C05BDF #DF7E5B #7ADF5B

split-complementary

#5BBCDF #DF5B7A #DFC05B

monochromatic

#1F7EA0 #29A6D4 #5BBCDF #8ED1E9 #C1E6F3

Accessibility & contrast

On white

2.16

#5BBCDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#5BBCDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCDF

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCDF	#FFFFFF	#000000	##000000
##5BBCDF	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B8E1

Deuteranopia (green-blind)

#96AADF

Tritanopia (blue-blind)

#00C7C7

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbcdf;
/* rgb */ color: rgb(91, 188, 223);
/* oklch */ color: oklch(75.0% 0.104 224.5);

Tailwind

colors: {
  custom: {
    50: '#95d0e9',
    500: '#5bbcdf',
    950: '#000000',
  },
}

SCSS

$custom: #5bbcdf;
$custom-light: #95d0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbcdf",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 223
  },
  "hsl": {
    "h": 195.909,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.75028,
    "c": 0.10372,
    "h": 224.5
  },
  "luminance": 0.43518
}

Semantic roles & 50–950 ramp

primary

#5BBCDF

secondary

#E3BFB2

accent

#4716CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCDF

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

Preview Lab → · Contrast checker → · Palette generator →