#5BBCDD#5BBCDD

#5BBCDD is a light, moderate cyan. Relative luminance 0.434; OKLCH L 74.9% C 0.102 H 223.1°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#5BBCDD
RGB	rgb(91, 188, 221)
HSL	hsl(195, 66%, 61%)
HSV	hsv(195, 59%, 87%)
CMYK	cmyk(58.8%, 14.9%, 0%, 13.3%)
CIE-LAB	lab(71.83, -19.03, -25.13)
CIE-LCH	lch(71.83, 31.52, 232.86°)
OKLab	oklab(74.95% -0.0747 -0.0699)
OKLCH	oklch(74.95% 0.102 223.1)
XYZ	xyz(35.3436, 43.4076, 74.9085)
Luminance	0.4341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBCDD #DD7C5B

analogous

#5BDDBD #5BBCDD #5B7BDD

triadic

#5BBCDD #DD5BBC #BCDD5B

tetradic

#5BBCDD #BD5BDD #DD7C5B #7BDD5B

square

#5BBCDD #BD5BDD #DD7C5B #7BDD5B

split-complementary

#5BBCDD #DD5B7B #DDBD5B

monochromatic

#217D9D #2BA6D0 #5BBCDD #8ED1E8 #C0E5F2

Accessibility & contrast

On white

2.17

#5BBCDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#5BBCDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBCDD

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBCDD	#FFFFFF	#000000	##000000
##5BBCDD	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9B8DF

Deuteranopia (green-blind)

#96AADD

Tritanopia (blue-blind)

#00C6C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #5bbcdd;
/* rgb */ color: rgb(91, 188, 221);
/* oklch */ color: oklch(74.9% 0.102 223.1);

Tailwind

colors: {
  custom: {
    50: '#94d0e7',
    500: '#5bbcdd',
    950: '#000000',
  },
}

SCSS

$custom: #5bbcdd;
$custom-light: #94d0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbcdd",
  "rgb": {
    "r": 91,
    "g": 188,
    "b": 221
  },
  "hsl": {
    "h": 195.231,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.74947,
    "c": 0.10234,
    "h": 223.1
  },
  "luminance": 0.43411
}

Semantic roles & 50–950 ramp

primary

#5BBCDD

secondary

#E2BEB1

accent

#4618CE

background

#F9FCFE

surface

#F2F9FC

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBCDD

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

Preview Lab → · Contrast checker → · Palette generator →