#5BB3FA#5BB3FA

#5BB3FA is a light, vivid cyan. Relative luminance 0.414; OKLCH L 74.2% C 0.134 H 245.4°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#5BB3FA
RGB	rgb(91, 179, 250)
HSL	hsl(207, 94%, 67%)
HSV	hsv(207, 64%, 98%)
CMYK	cmyk(63.6%, 28.4%, 0%, 2%)
CIE-LAB	lab(70.43, -5.22, -43.04)
CIE-LCH	lch(70.43, 43.36, 263.08°)
OKLab	oklab(74.21% -0.0557 -0.1214)
OKLCH	oklch(74.21% 0.134 245.4)
XYZ	xyz(37.6833, 41.3627, 96.4218)
Luminance	0.4137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB3FA #FAA25B

analogous

#5BFAF1 #5BB3FA #5B64FA

triadic

#5BB3FA #FA5BB3 #B3FA5B

tetradic

#5BB3FA #F15BFA #FAA25B #64FA5B

square

#5BB3FA #F15BFA #FAA25B #64FA5B

split-complementary

#5BB3FA #FA5B64 #FAF15B

monochromatic

#0678D4 #2097F8 #5BB3FA #96CFFC #D2EAFE

Accessibility & contrast

On white

2.26

#5BB3FA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#5BB3FA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB3FA

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB3FA	#FFFFFF	#000000	##000000
##5BB3FA	1.00	2.26	9.27	9.27
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#94B5FD

Deuteranopia (green-blind)

#7EA5F9

Tritanopia (blue-blind)

#00C4CC

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #5bb3fa;
/* rgb */ color: rgb(91, 179, 250);
/* oklch */ color: oklch(74.2% 0.134 245.4);

Tailwind

colors: {
  custom: {
    50: '#97c9fc',
    500: '#5bb3fa',
    950: '#000000',
  },
}

SCSS

$custom: #5bb3fa;
$custom-light: #97c9fc;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb3fa",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 250
  },
  "hsl": {
    "h": 206.792,
    "s": 94.083,
    "l": 66.863
  },
  "oklch": {
    "l": 0.74214,
    "c": 0.13355,
    "h": 245.4
  },
  "luminance": 0.41366
}

Semantic roles & 50–950 ramp

primary

#5BB3FA

secondary

#F2D6BF

accent

#6600E6

background

#FAFCFF

surface

#F3F8FF

border

#CDD1D7

text

#0F1317

muted

#7F8285

Preview Lab

Preview with #5BB3FA

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

Preview Lab → · Contrast checker → · Palette generator →