#5BB3D8#5BB3D8

#5BB3D8 is a light, moderate cyan. Relative luminance 0.394; OKLCH L 72.7% C 0.100 H 228.0°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3D8
RGB	rgb(91, 179, 216)
HSL	hsl(198, 62%, 60%)
HSV	hsv(198, 58%, 85%)
CMYK	cmyk(57.9%, 17.1%, 0%, 15.3%)
CIE-LAB	lab(69.05, -15.81, -26.65)
CIE-LCH	lch(69.05, 30.99, 239.32°)
OKLab	oklab(72.67% -0.0669 -0.0742)
OKLCH	oklch(72.67% 0.1 228)
XYZ	xyz(32.8244, 39.4191, 70.8313)
Luminance	0.3942 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3D8 #D8805B

analogous

#5BD8BE #5BB3D8 #5B74D8

triadic

#5BB3D8 #D85BB3 #B3D85B

tetradic

#5BB3D8 #BE5BD8 #D8805B #74D85B

square

#5BB3D8 #BE5BD8 #D8805B #74D85B

split-complementary

#5BB3D8 #D85B74 #D8BE5B

monochromatic

#237395 #2F9AC7 #5BB3D8 #8CCAE4 #BEE1F0

Accessibility & contrast

On white

2.36

#5BB3D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#5BB3D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3D8

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3D8	#FFFFFF	#000000	##000000
##5BB3D8	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B0DA

Deuteranopia (green-blind)

#8EA3D8

Tritanopia (blue-blind)

#00BEBF

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #5bb3d8;
/* rgb */ color: rgb(91, 179, 216);
/* oklch */ color: oklch(72.7% 0.100 228.0);

Tailwind

colors: {
  custom: {
    50: '#93c9e4',
    500: '#5bb3d8',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3d8;
$custom-light: #93c9e4;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3d8",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 216
  },
  "hsl": {
    "h": 197.76,
    "s": 61.576,
    "l": 60.196
  },
  "oklch": {
    "l": 0.7267,
    "c": 0.09995,
    "h": 228
  },
  "luminance": 0.39422
}

Semantic roles & 50–950 ramp

primary

#5BB3D8

secondary

#DFBEAF

accent

#4F1CC9

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #5BB3D8

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

Preview Lab → · Contrast checker → · Palette generator →