#5BBBDB#5BBBDB

#5BBBDB is a light, moderate cyan. Relative luminance 0.429; OKLCH L 74.6% C 0.101 H 222.6°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDB
RGB	rgb(91, 187, 219)
HSL	hsl(195, 64%, 61%)
HSV	hsv(195, 58%, 86%)
CMYK	cmyk(58.4%, 14.6%, 0%, 14.1%)
CIE-LAB	lab(71.47, -19.10, -24.59)
CIE-LCH	lch(71.47, 31.14, 232.15°)
OKLab	oklab(74.63% -0.0744 -0.0684)
OKLCH	oklch(74.63% 0.101 222.6)
XYZ	xyz(34.8659, 42.8759, 73.4425)
Luminance	0.4288 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDB #DB7B5B

analogous

#5BDBBB #5BBBDB #5B7BDB

triadic

#5BBBDB #DB5BBB #BBDB5B

tetradic

#5BBBDB #BB5BDB #DB7B5B #7BDB5B

square

#5BBBDB #BB5BDB #DB7B5B #7BDB5B

split-complementary

#5BBBDB #DB5B7B #DBBB5B

monochromatic

#227C9A #2DA4CC #5BBBDB #8DD0E6 #BFE5F1

Accessibility & contrast

On white

2.19

#5BBBDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#5BBBDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDB

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDB	#FFFFFF	#000000	##000000
##5BBBDB	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7DD

Deuteranopia (green-blind)

#96A9DB

Tritanopia (blue-blind)

#00C5C5

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbdb;
/* rgb */ color: rgb(91, 187, 219);
/* oklch */ color: oklch(74.6% 0.101 222.6);

Tailwind

colors: {
  custom: {
    50: '#94cfe6',
    500: '#5bbbdb',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbdb;
$custom-light: #94cfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbdb",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 219
  },
  "hsl": {
    "h": 195,
    "s": 64,
    "l": 60.784
  },
  "oklch": {
    "l": 0.74635,
    "c": 0.10107,
    "h": 222.6
  },
  "luminance": 0.42879
}

Semantic roles & 50–950 ramp

primary

#5BBBDB

secondary

#E1BDB1

accent

#461ACC

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBDB

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

Preview Lab → · Contrast checker → · Palette generator →