#5BBCDB#5BBCDB

#5BBCDB is a light, moderate cyan. Relative luminance 0.433; OKLCH L 74.9% C 0.101 H 221.6°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCDB
RGB	rgb(91, 188, 219)
HSL	hsl(195, 64%, 61%)
HSV	hsv(195, 58%, 86%)
CMYK	cmyk(58.4%, 14.2%, 0%, 14.1%)
CIE-LAB	lab(71.76, -19.62, -24.15)
CIE-LCH	lch(71.76, 31.11, 230.90°)
OKLab	oklab(74.87% -0.0755 -0.0671)
OKLCH	oklch(74.87% 0.101 221.6)
XYZ	xyz(35.0787, 43.3016, 73.5135)
Luminance	0.4330 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCDB #DB7A5B

analogous

#5BDBBA #5BBCDB #5B7CDB

triadic

#5BBCDB #DB5BBC #BCDB5B

tetradic

#5BBCDB #BA5BDB #DB7A5B #7CDB5B

square

#5BBCDB #BA5BDB #DB7A5B #7CDB5B

split-complementary

#5BBCDB #DB5B7C #DBBA5B

monochromatic

#227D9A #2DA5CC #5BBCDB #8DD1E6 #BFE5F1

Accessibility & contrast

On white

2.17

#5BBCDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#5BBCDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCDB

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCDB	#FFFFFF	#000000	##000000
##5BBCDB	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB8DD

Deuteranopia (green-blind)

#97AADB

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbcdb;
/* rgb */ color: rgb(91, 188, 219);
/* oklch */ color: oklch(74.9% 0.101 221.6);

Tailwind

colors: {
  custom: {
    50: '#94d0e6',
    500: '#5bbcdb',
    950: '#000000',
  },
}

SCSS

$custom: #5bbcdb;
$custom-light: #94d0e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbcdb",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 219
  },
  "hsl": {
    "h": 194.531,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.74866,
    "c": 0.10103,
    "h": 221.6
  },
  "luminance": 0.43305
}

Semantic roles & 50–950 ramp

primary

#5BBCDB

secondary

#E1BCB1

accent

#451ACC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCDB

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

Preview Lab → · Contrast checker → · Palette generator →