#5BBBDF#5BBBDF

#5BBBDF is a light, moderate cyan. Relative luminance 0.431; OKLCH L 74.8% C 0.104 H 225.4°. Best body text is #000000 at 9.62:1 contrast (WCAG AA passes).

Color values

HEX	#5BBBDF
RGB	rgb(91, 187, 223)
HSL	hsl(196, 67%, 62%)
HSV	hsv(196, 59%, 87%)
CMYK	cmyk(59.2%, 16.1%, 0%, 12.5%)
CIE-LAB	lab(71.62, -17.91, -26.54)
CIE-LCH	lch(71.62, 32.02, 235.99°)
OKLab	oklab(74.8% -0.0729 -0.0739)
OKLCH	oklch(74.8% 0.104 225.4)
XYZ	xyz(35.3988, 43.0890, 76.2492)
Luminance	0.4309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBBDF #DF7F5B

analogous

#5BDFC1 #5BBBDF #5B79DF

triadic

#5BBBDF #DF5BBB #BBDF5B

tetradic

#5BBBDF #C15BDF #DF7F5B #79DF5B

square

#5BBBDF #C15BDF #DF7F5B #79DF5B

split-complementary

#5BBBDF #DF5B79 #DFC15B

monochromatic

#1F7DA0 #29A5D4 #5BBBDF #8ED0E9 #C1E5F3

Accessibility & contrast

On white

2.18

#5BBBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.62

#5BBBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBBDF

9.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBBDF	#FFFFFF	#000000	##000000
##5BBBDF	1.00	2.18	9.62	9.62
#FFFFFF	2.18	1.00	21.00	21.00
#000000	9.62	21.00	1.00	1.00
##000000	9.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7B7E1

Deuteranopia (green-blind)

#94A9DF

Tritanopia (blue-blind)

#00C6C7

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #5bbbdf;
/* rgb */ color: rgb(91, 187, 223);
/* oklch */ color: oklch(74.8% 0.104 225.4);

Tailwind

colors: {
  custom: {
    50: '#95cfe9',
    500: '#5bbbdf',
    950: '#000000',
  },
}

SCSS

$custom: #5bbbdf;
$custom-light: #95cfe9;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbbdf",
  "rgb": {
    "r": 91,
    "g": 187,
    "b": 223
  },
  "hsl": {
    "h": 196.364,
    "s": 67.347,
    "l": 61.569
  },
  "oklch": {
    "l": 0.74799,
    "c": 0.10386,
    "h": 225.4
  },
  "luminance": 0.43093
}

Semantic roles & 50–950 ramp

primary

#5BBBDF

secondary

#E3C0B2

accent

#4916CF

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BBBDF

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

Preview Lab → · Contrast checker → · Palette generator →