#5BB3E6#5BB3E6

#5BB3E6 is a light, moderate cyan. Relative luminance 0.402; OKLCH L 73.3% C 0.112 H 236.5°. Best body text is #000000 at 9.04:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3E6
RGB	rgb(91, 179, 230)
HSL	hsl(202, 74%, 63%)
HSV	hsv(202, 60%, 90%)
CMYK	cmyk(60.4%, 22.2%, 0%, 9.8%)
CIE-LAB	lab(69.59, -11.54, -33.48)
CIE-LCH	lch(69.59, 35.41, 250.98°)
OKLab	oklab(73.28% -0.062 -0.0937)
OKLCH	oklch(73.28% 0.112 236.5)
XYZ	xyz(34.7120, 40.1741, 80.7726)
Luminance	0.4018 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3E6 #E68E5B

analogous

#5BE6D3 #5BB3E6 #5B6EE6

triadic

#5BB3E6 #E65BB3 #B3E65B

tetradic

#5BB3E6 #D35BE6 #E68E5B #6EE65B

square

#5BB3E6 #D35BE6 #E68E5B #6EE65B

split-complementary

#5BB3E6 #E65B6E #E6D35B

monochromatic

#1A77AC #269ADE #5BB3E6 #90CCEE #C5E4F6

Accessibility & contrast

On white

2.32

#5BB3E6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.04

#5BB3E6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3E6

9.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3E6	#FFFFFF	#000000	##000000
##5BB3E6	1.00	2.32	9.04	9.04
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.04	21.00	1.00	1.00
##000000	9.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BB2E8

Deuteranopia (green-blind)

#88A4E5

Tritanopia (blue-blind)

#00C0C4

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #5bb3e6;
/* rgb */ color: rgb(91, 179, 230);
/* oklch */ color: oklch(73.3% 0.112 236.5);

Tailwind

colors: {
  custom: {
    50: '#95c9ee',
    500: '#5bb3e6',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3e6;
$custom-light: #95c9ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3e6",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 230
  },
  "hsl": {
    "h": 202.014,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.73277,
    "c": 0.1124,
    "h": 236.5
  },
  "luminance": 0.40178
}

Semantic roles & 50–950 ramp

primary

#5BB3E6

secondary

#E7C8B5

accent

#5810D6

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #5BB3E6

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

Preview Lab → · Contrast checker → · Palette generator →