#5BBBDE#5BBBDE

#5BBBDE is a light, moderate cyan. Relative luminance 0.430; OKLCH L 74.8% C 0.103 H 224.7°. Best body text is #000000 at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDE
RGB	rgb(91, 187, 222)
HSL	hsl(196, 66%, 61%)
HSV	hsv(196, 59%, 87%)
CMYK	cmyk(59%, 15.8%, 0%, 12.9%)
CIE-LAB	lab(71.58, -18.21, -26.06)
CIE-LCH	lch(71.58, 31.79, 235.05°)
OKLab	oklab(74.76% -0.0733 -0.0725)
OKLCH	oklch(74.76% 0.103 224.7)
XYZ	xyz(35.2644, 43.0353, 75.5413)
Luminance	0.4304 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDE #DE7E5B

analogous

#5BDEC0 #5BBBDE #5B7ADE

triadic

#5BBBDE #DE5BBB #BBDE5B

tetradic

#5BBBDE #C05BDE #DE7E5B #7ADE5B

square

#5BBBDE #C05BDE #DE7E5B #7ADE5B

split-complementary

#5BBBDE #DE5B7A #DEC05B

monochromatic

#207D9F #2AA5D2 #5BBBDE #8ED0E8 #C1E5F3

Accessibility & contrast

On white

2.19

#5BBBDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.61

#5BBBDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDE

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDE	#FFFFFF	#000000	##000000
##5BBBDE	1.00	2.19	9.61	9.61
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.61	21.00	1.00	1.00
##000000	9.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8B7E0

Deuteranopia (green-blind)

#95A9DE

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbde;
/* rgb */ color: rgb(91, 187, 222);
/* oklch */ color: oklch(74.8% 0.103 224.7);

Tailwind

colors: {
  custom: {
    50: '#94cfe8',
    500: '#5bbbde',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbde;
$custom-light: #94cfe8;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbde",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 222
  },
  "hsl": {
    "h": 196.031,
    "s": 66.497,
    "l": 61.373
  },
  "oklch": {
    "l": 0.74757,
    "c": 0.10313,
    "h": 224.7
  },
  "luminance": 0.43039
}

Semantic roles & 50–950 ramp

primary

#5BBBDE

secondary

#E3BFB2

accent

#4817CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBDE

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

Preview Lab → · Contrast checker → · Palette generator →