#5B9DF5#5B9DF5

#5B9DF5 is a light, vivid cyan. Relative luminance 0.329; OKLCH L 69.2% C 0.147 H 256.2°. Best body text is #000000 at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#5B9DF5
RGB	rgb(91, 157, 245)
HSL	hsl(214, 89%, 66%)
HSV	hsv(214, 63%, 96%)
CMYK	cmyk(62.9%, 35.9%, 0%, 3.9%)
CIE-LAB	lab(64.10, 5.61, -50.28)
CIE-LCH	lch(64.10, 50.59, 276.37°)
OKLab	oklab(69.18% -0.035 -0.1427)
OKLCH	oklch(69.18% 0.147 256.2)
XYZ	xyz(32.8469, 32.9275, 90.9931)
Luminance	0.3293 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9DF5 #F5B35B

analogous

#5BEAF5 #5B9DF5 #665BF5

triadic

#5B9DF5 #F55B9D #9DF55B

tetradic

#5B9DF5 #F55BEA #F5B35B #5BF566

square

#5B9DF5 #F55BEA #F5B35B #5BF566

split-complementary

#5B9DF5 #F5665B #EAF55B

monochromatic

#0C5DC9 #217BF1 #5B9DF5 #95BFF9 #CEE2FC

Accessibility & contrast

On white

2.77

#5B9DF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.59

#5B9DF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9DF5

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9DF5	#FFFFFF	#000000	##000000
##5B9DF5	1.00	2.77	7.59	7.59
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.59	21.00	1.00	1.00
##000000	7.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#77A3F9

Deuteranopia (green-blind)

#6195F3

Tritanopia (blue-blind)

#00B1BD

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #5b9df5;
/* rgb */ color: rgb(91, 157, 245);
/* oklch */ color: oklch(69.2% 0.147 256.2);

Tailwind

colors: {
  custom: {
    50: '#97b9f9',
    500: '#5b9df5',
    950: '#000000',
  },
}

SCSS

$custom: #5b9df5;
$custom-light: #97b9f9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9df5",
  "rgb": {
    "r": 91,
    "g": 157,
    "b": 245
  },
  "hsl": {
    "h": 214.286,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.69175,
    "c": 0.1469,
    "h": 256.2
  },
  "luminance": 0.32931
}

Semantic roles & 50–950 ramp

primary

#5B9DF5

secondary

#EFDABC

accent

#8300E5

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5B9DF5

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

Preview Lab → · Contrast checker → · Palette generator →