#5198FF#5198FF

#5198FF is a light, vivid blue. Relative luminance 0.314; OKLCH L 68.3% C 0.169 H 257.9°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#5198FF
RGB	rgb(81, 152, 255)
HSL	hsl(216, 100%, 66%)
HSV	hsv(216, 68%, 100%)
CMYK	cmyk(68.2%, 40.4%, 0%, 0%)
CIE-LAB	lab(62.86, 10.30, -57.74)
CIE-LCH	lch(62.86, 58.65, 280.12°)
OKLab	oklab(68.27% -0.0354 -0.1647)
OKLCH	oklch(68.27% 0.169 257.9)
XYZ	xyz(32.6650, 31.4224, 98.9320)
Luminance	0.3143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5198FF #FFB851

analogous

#51EFFF #5198FF #6151FF

triadic

#5198FF #FF5198 #98FF51

tetradic

#5198FF #FF51EF #FFB851 #51FF61

square

#5198FF #FF51EF #FFB851 #51FF61

split-complementary

#5198FF #FF6151 #EFFF51

monochromatic

#0057D6 #1474FF #5198FF #8EBCFF #CBE0FF

Accessibility & contrast

On white

2.88

#5198FF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#5198FF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5198FF

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5198FF	#FFFFFF	#000000	##000000
##5198FF	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#68A1FF

Deuteranopia (green-blind)

#4C91FD

Tritanopia (blue-blind)

#00B0BF

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5198ff;
/* rgb */ color: rgb(81, 152, 255);
/* oklch */ color: oklch(68.3% 0.169 257.9);

Tailwind

colors: {
  custom: {
    50: '#94b5ff',
    500: '#5198ff',
    950: '#000000',
  },
}

SCSS

$custom: #5198ff;
$custom-light: #94b5ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5198ff",
  "rgb": {
    "r": 81,
    "g": 152,
    "b": 255
  },
  "hsl": {
    "h": 215.517,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.68271,
    "c": 0.16851,
    "h": 257.9
  },
  "luminance": 0.31426
}

Semantic roles & 50–950 ramp

primary

#5198FF

secondary

#F3DBB9

accent

#8800E6

background

#F9FBFF

surface

#F2F6FF

border

#CCD0D7

text

#0F1118

muted

#7E8086

Preview Lab

Preview with #5198FF

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

Preview Lab → · Contrast checker → · Palette generator →