#5BBDEF#5BBDEF

#5BBDEF is a light, moderate cyan. Relative luminance 0.449; OKLCH L 75.9% C 0.116 H 233.4°. Best body text is #000000 at 9.97:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDEF
RGB	rgb(91, 189, 239)
HSL	hsl(200, 82%, 65%)
HSV	hsv(200, 62%, 94%)
CMYK	cmyk(61.9%, 20.9%, 0%, 6.3%)
CIE-LAB	lab(72.79, -14.10, -33.41)
CIE-LCH	lch(72.79, 36.27, 247.12°)
OKLab	oklab(75.94% -0.0694 -0.0935)
OKLCH	oklch(75.94% 0.116 233.4)
XYZ	xyz(38.0859, 44.8475, 88.2939)
Luminance	0.4485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDEF #EF8D5B

analogous

#5BEFD7 #5BBDEF #5B73EF

triadic

#5BBDEF #EF5BBD #BDEF5B

tetradic

#5BBDEF #D75BEF #EF8D5B #73EF5B

square

#5BBDEF #D75BEF #EF8D5B #73EF5B

split-complementary

#5BBDEF #EF5B73 #EFD75B

monochromatic

#1283BD #23A7EA #5BBDEF #93D3F4 #CBEAFA

Accessibility & contrast

On white

2.11

#5BBDEF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.97

#5BBDEF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDEF

9.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDEF	#FFFFFF	#000000	##000000
##5BBDEF	1.00	2.11	9.97	9.97
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.97	21.00	1.00	1.00
##000000	9.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BBF1

Deuteranopia (green-blind)

#90ACEE

Tritanopia (blue-blind)

#00CACE

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #5bbdef;
/* rgb */ color: rgb(91, 189, 239);
/* oklch */ color: oklch(75.9% 0.116 233.4);

Tailwind

colors: {
  custom: {
    50: '#96d0f4',
    500: '#5bbdef',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdef;
$custom-light: #96d0f4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdef",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 239
  },
  "hsl": {
    "h": 200.27,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.75936,
    "c": 0.11645,
    "h": 233.4
  },
  "luminance": 0.44851
}

Semantic roles & 50–950 ramp

primary

#5BBDEF

secondary

#ECCBBA

accent

#5007DF

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1417

muted

#7E8285

Preview Lab

Preview with #5BBDEF

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

Preview Lab → · Contrast checker → · Palette generator →