#5B9FF9#5B9FF9

#5B9FF9 is a light, vivid cyan. Relative luminance 0.339; OKLCH L 69.8% C 0.150 H 256.1°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#5B9FF9
RGB	rgb(91, 159, 249)
HSL	hsl(214, 93%, 67%)
HSV	hsv(214, 63%, 98%)
CMYK	cmyk(63.5%, 36.1%, 0%, 2.4%)
CIE-LAB	lab(64.85, 5.77, -51.28)
CIE-LCH	lch(64.85, 51.61, 276.42°)
OKLab	oklab(69.82% -0.0361 -0.1456)
OKLCH	oklch(69.82% 0.15 256.1)
XYZ	xyz(33.8052, 33.8567, 94.3576)
Luminance	0.3386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9FF9 #F9B55B

analogous

#5BEEF9 #5B9FF9 #665BF9

triadic

#5B9FF9 #F95B9F #9FF95B

tetradic

#5B9FF9 #F95BEE #F9B55B #5BF966

square

#5B9FF9 #F95BEE #F9B55B #5BF966

split-complementary

#5B9FF9 #F9665B #EEF95B

monochromatic

#085FD2 #207CF7 #5B9FF9 #96C2FB #D1E4FD

Accessibility & contrast

On white

2.70

#5B9FF9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#5B9FF9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5B9FF9

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9FF9	#FFFFFF	#000000	##000000
##5B9FF9	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#78A5FD

Deuteranopia (green-blind)

#6297F7

Tritanopia (blue-blind)

#00B4C0

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #5b9ff9;
/* rgb */ color: rgb(91, 159, 249);
/* oklch */ color: oklch(69.8% 0.150 256.1);

Tailwind

colors: {
  custom: {
    50: '#97bafb',
    500: '#5b9ff9',
    950: '#000000',
  },
}

SCSS

$custom: #5b9ff9;
$custom-light: #97bafb;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9ff9",
  "rgb": {
    "r": 91,
    "g": 159,
    "b": 249
  },
  "hsl": {
    "h": 214.177,
    "s": 92.941,
    "l": 66.667
  },
  "oklch": {
    "l": 0.69821,
    "c": 0.14999,
    "h": 256.1
  },
  "luminance": 0.3386
}

Semantic roles & 50–950 ramp

primary

#5B9FF9

secondary

#F1DBBE

accent

#8300E6

background

#FAFBFF

surface

#F3F6FF

border

#CDD0D7

text

#0F1117

muted

#7F8085

Preview Lab

Preview with #5B9FF9

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

Preview Lab → · Contrast checker → · Palette generator →