#5BBFDF#5BBFDF

#5BBFDF is a light, moderate cyan. Relative luminance 0.448; OKLCH L 75.7% C 0.103 H 221.8°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#5BBFDF
RGB	rgb(91, 191, 223)
HSL	hsl(195, 67%, 62%)
HSV	hsv(195, 59%, 87%)
CMYK	cmyk(59.2%, 14.3%, 0%, 12.5%)
CIE-LAB	lab(72.77, -19.98, -24.78)
CIE-LCH	lch(72.77, 31.84, 231.12°)
OKLab	oklab(75.72% -0.0772 -0.0689)
OKLCH	oklch(75.72% 0.103 221.8)
XYZ	xyz(36.2592, 44.8099, 76.5360)
Luminance	0.4481 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBFDF #DF7B5B

analogous

#5BDFBD #5BBFDF #5B7DDF

triadic

#5BBFDF #DF5BBF #BFDF5B

tetradic

#5BBFDF #BD5BDF #DF7B5B #7DDF5B

square

#5BBFDF #BD5BDF #DF7B5B #7DDF5B

split-complementary

#5BBFDF #DF5B7D #DFBD5B

monochromatic

#1F81A0 #29AAD4 #5BBFDF #8ED3E9 #C1E7F3

Accessibility & contrast

On white

2.11

#5BBFDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#5BBFDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBFDF

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBFDF	#FFFFFF	#000000	##000000
##5BBFDF	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACBBE1

Deuteranopia (green-blind)

#99ACDF

Tritanopia (blue-blind)

#00C9C9

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #5bbfdf;
/* rgb */ color: rgb(91, 191, 223);
/* oklch */ color: oklch(75.7% 0.103 221.8);

Tailwind

colors: {
  custom: {
    50: '#95d2e9',
    500: '#5bbfdf',
    950: '#000000',
  },
}

SCSS

$custom: #5bbfdf;
$custom-light: #95d2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbfdf",
  "rgb": {
    "r": 91,
    "g": 191,
    "b": 223
  },
  "hsl": {
    "h": 194.545,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.75718,
    "c": 0.10348,
    "h": 221.8
  },
  "luminance": 0.44813
}

Semantic roles & 50–950 ramp

primary

#5BBFDF

secondary

#E3BEB2

accent

#4316CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBFDF

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

Preview Lab → · Contrast checker → · Palette generator →