#5BBDEE#5BBDEE

#5BBDEE is a light, moderate cyan. Relative luminance 0.448; OKLCH L 75.9% C 0.116 H 232.9°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDEE
RGB	rgb(91, 189, 238)
HSL	hsl(200, 81%, 65%)
HSV	hsv(200, 62%, 93%)
CMYK	cmyk(61.8%, 20.6%, 0%, 6.7%)
CIE-LAB	lab(72.75, -14.41, -32.93)
CIE-LCH	lch(72.75, 35.95, 246.37°)
OKLab	oklab(75.89% -0.0697 -0.0922)
OKLCH	oklch(75.89% 0.116 232.9)
XYZ	xyz(37.9386, 44.7886, 87.5180)
Luminance	0.4479 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDEE #EE8C5B

analogous

#5BEED5 #5BBDEE #5B74EE

triadic

#5BBDEE #EE5BBD #BDEE5B

tetradic

#5BBDEE #D55BEE #EE8C5B #74EE5B

square

#5BBDEE #D55BEE #EE8C5B #74EE5B

split-complementary

#5BBDEE #EE5B74 #EED55B

monochromatic

#1383BB #24A7E8 #5BBDEE #92D3F4 #CAEAF9

Accessibility & contrast

On white

2.11

#5BBDEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#5BBDEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDEE

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDEE	#FFFFFF	#000000	##000000
##5BBDEE	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5BBF0

Deuteranopia (green-blind)

#91ACED

Tritanopia (blue-blind)

#00CACD

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #5bbdee;
/* rgb */ color: rgb(91, 189, 238);
/* oklch */ color: oklch(75.9% 0.116 232.9);

Tailwind

colors: {
  custom: {
    50: '#96d0f3',
    500: '#5bbdee',
    950: '#000000',
  },
}

SCSS

$custom: #5bbdee;
$custom-light: #96d0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbdee",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 238
  },
  "hsl": {
    "h": 200,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.75892,
    "c": 0.11555,
    "h": 232.9
  },
  "luminance": 0.44792
}

Semantic roles & 50–950 ramp

primary

#5BBDEE

secondary

#ECCAB9

accent

#4F08DE

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0F1417

muted

#7E8285

Preview Lab

Preview with #5BBDEE

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

Preview Lab → · Contrast checker → · Palette generator →