#5BB3D7#5BB3D7

#5BB3D7 is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.6% C 0.099 H 227.3°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3D7
RGB	rgb(91, 179, 215)
HSL	hsl(197, 61%, 60%)
HSV	hsv(197, 58%, 84%)
CMYK	cmyk(57.7%, 16.7%, 0%, 15.7%)
CIE-LAB	lab(69.02, -16.11, -26.16)
CIE-LCH	lch(69.02, 30.72, 238.37°)
OKLab	oklab(72.63% -0.0673 -0.0728)
OKLCH	oklch(72.63% 0.099 227.3)
XYZ	xyz(32.6955, 39.3676, 70.1525)
Luminance	0.3937 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3D7 #D77F5B

analogous

#5BD7BD #5BB3D7 #5B75D7

triadic

#5BB3D7 #D75BB3 #B3D75B

tetradic

#5BB3D7 #BD5BD7 #D77F5B #75D75B

square

#5BB3D7 #BD5BD7 #D77F5B #75D75B

split-complementary

#5BB3D7 #D75B75 #D7BD5B

monochromatic

#247394 #309AC5 #5BB3D7 #8CCAE3 #BDE1EF

Accessibility & contrast

On white

2.37

#5BB3D7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#5BB3D7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3D7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3D7	#FFFFFF	#000000	##000000
##5BB3D7	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B0D9

Deuteranopia (green-blind)

#8EA3D7

Tritanopia (blue-blind)

#00BDBF

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #5bb3d7;
/* rgb */ color: rgb(91, 179, 215);
/* oklch */ color: oklch(72.6% 0.099 227.3);

Tailwind

colors: {
  custom: {
    50: '#93c9e3',
    500: '#5bb3d7',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3d7;
$custom-light: #93c9e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3d7",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 215
  },
  "hsl": {
    "h": 197.419,
    "s": 60.784,
    "l": 60
  },
  "oklch": {
    "l": 0.72628,
    "c": 0.09916,
    "h": 227.3
  },
  "luminance": 0.39371
}

Semantic roles & 50–950 ramp

primary

#5BB3D7

secondary

#DFBDAF

accent

#7244E4

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3D7

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

Preview Lab → · Contrast checker → · Palette generator →