#519BFB#519BFB

#519BFB is a light, vivid cyan. Relative luminance 0.322; OKLCH L 68.7% C 0.160 H 255.9°. Best body text is #000000 at 7.43:1 contrast (WCAG AA passes).

Color values

HEX	#519BFB
RGB	rgb(81, 155, 251)
HSL	hsl(214, 96%, 65%)
HSV	hsv(214, 68%, 98%)
CMYK	cmyk(67.7%, 38.2%, 0%, 1.6%)
CIE-LAB	lab(63.47, 7.17, -54.59)
CIE-LCH	lch(63.47, 55.06, 277.48°)
OKLab	oklab(68.67% -0.039 -0.1554)
OKLCH	oklch(68.67% 0.16 255.9)
XYZ	xyz(32.5209, 32.1537, 95.7405)
Luminance	0.3216 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#519BFB #FBB151

analogous

#51F0FB #519BFB #5C51FB

triadic

#519BFB #FB519B #9BFB51

tetradic

#519BFB #FB51F0 #FBB151 #51FB5C

square

#519BFB #FB51F0 #FBB151 #51FB5C

split-complementary

#519BFB #FB5C51 #F0FB51

monochromatic

#055CCD #1579FA #519BFB #8DBDFC #C9E0FE

Accessibility & contrast

On white

2.83

#519BFB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.43

#519BFB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #519BFB

7.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##519BFB	#FFFFFF	#000000	##000000
##519BFB	1.00	2.83	7.43	7.43
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.43	21.00	1.00	1.00
##000000	7.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6FA2FF

Deuteranopia (green-blind)

#5692F9

Tritanopia (blue-blind)

#00B1BF

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #519bfb;
/* rgb */ color: rgb(81, 155, 251);
/* oklch */ color: oklch(68.7% 0.160 255.9);

Tailwind

colors: {
  custom: {
    50: '#93b8fd',
    500: '#519bfb',
    950: '#000000',
  },
}

SCSS

$custom: #519bfb;
$custom-light: #93b8fd;
$custom-dark: #000000;

JSON

{
  "hex": "#519bfb",
  "rgb": {
    "r": 81,
    "g": 155,
    "b": 251
  },
  "hsl": {
    "h": 213.882,
    "s": 95.506,
    "l": 65.098
  },
  "oklch": {
    "l": 0.68674,
    "c": 0.16028,
    "h": 255.9
  },
  "luminance": 0.32157
}

Semantic roles & 50–950 ramp

primary

#519BFB

secondary

#F1D8B7

accent

#8200E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0E1118

muted

#7E8086

Preview Lab

Preview with #519BFB

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

Preview Lab → · Contrast checker → · Palette generator →