#5B9EF5#5B9EF5

#5B9EF5 is a light, vivid cyan. Relative luminance 0.333; OKLCH L 69.4% C 0.146 H 255.7°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#5B9EF5
RGB	rgb(91, 158, 245)
HSL	hsl(214, 89%, 66%)
HSV	hsv(214, 63%, 96%)
CMYK	cmyk(62.9%, 35.5%, 0%, 3.9%)
CIE-LAB	lab(64.38, 5.03, -49.84)
CIE-LCH	lch(64.38, 50.10, 275.76°)
OKLab	oklab(69.39% -0.036 -0.1414)
OKLCH	oklch(69.39% 0.146 255.7)
XYZ	xyz(33.0167, 33.2673, 91.0498)
Luminance	0.3327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9EF5 #F5B25B

analogous

#5BEBF5 #5B9EF5 #655BF5

triadic

#5B9EF5 #F55B9E #9EF55B

tetradic

#5B9EF5 #F55BEB #F5B25B #5BF565

square

#5B9EF5 #F55BEB #F5B25B #5BF565

split-complementary

#5B9EF5 #F5655B #EBF55B

monochromatic

#0C5FC9 #217CF1 #5B9EF5 #95C0F9 #CEE2FC

Accessibility & contrast

On white

2.74

#5B9EF5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#5B9EF5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9EF5

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9EF5	#FFFFFF	#000000	##000000
##5B9EF5	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A4F9

Deuteranopia (green-blind)

#6395F3

Tritanopia (blue-blind)

#00B2BE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #5b9ef5;
/* rgb */ color: rgb(91, 158, 245);
/* oklch */ color: oklch(69.4% 0.146 255.7);

Tailwind

colors: {
  custom: {
    50: '#97baf9',
    500: '#5b9ef5',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ef5;
$custom-light: #97baf9;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ef5",
  "rgb": {
    "r": 91,
    "g": 158,
    "b": 245
  },
  "hsl": {
    "h": 213.896,
    "s": 88.506,
    "l": 65.882
  },
  "oklch": {
    "l": 0.69389,
    "c": 0.1459,
    "h": 255.7
  },
  "luminance": 0.3327
}

Semantic roles & 50–950 ramp

primary

#5B9EF5

secondary

#EFD9BC

accent

#8200E5

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1117

muted

#7E8085

Preview Lab

Preview with #5B9EF5

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

Preview Lab → · Contrast checker → · Palette generator →