#5187F2#5187F2

#5187F2 is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.9% C 0.170 H 262.5°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#5187F2
RGB	rgb(81, 135, 242)
HSL	hsl(220, 86%, 63%)
HSV	hsv(220, 67%, 95%)
CMYK	cmyk(66.5%, 44.2%, 0%, 5.1%)
CIE-LAB	lab(57.55, 16.00, -59.09)
CIE-LCH	lch(57.55, 61.22, 285.15°)
OKLab	oklab(63.93% -0.0224 -0.1689)
OKLCH	oklch(63.93% 0.17 262.5)
XYZ	xyz(28.0787, 25.4853, 87.4266)
Luminance	0.2549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5187F2 #F2BC51

analogous

#51D7F2 #5187F2 #6B51F2

triadic

#5187F2 #F25187 #87F251

tetradic

#5187F2 #F251D7 #F2BC51 #51F26B

square

#5187F2 #F251D7 #F2BC51 #51F26B

split-complementary

#5187F2 #F26B51 #D7F251

monochromatic

#0E48BB #1860EE #5187F2 #8AAEF6 #C3D6FB

Accessibility & contrast

On white

3.44

#5187F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.10

#5187F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5187F2

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5187F2	#FFFFFF	#000000	##000000
##5187F2	1.00	3.44	6.10	6.10
#FFFFFF	3.44	1.00	21.00	21.00
#000000	6.10	21.00	1.00	1.00
##000000	6.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5392F6

Deuteranopia (green-blind)

#3683F0

Tritanopia (blue-blind)

#00A0B1

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5187f2;
/* rgb */ color: rgb(81, 135, 242);
/* oklch */ color: oklch(63.9% 0.170 262.5);

Tailwind

colors: {
  custom: {
    50: '#92a9f7',
    500: '#5187f2',
    950: '#000000',
  },
}

SCSS

$custom: #5187f2;
$custom-light: #92a9f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5187f2",
  "rgb": {
    "r": 81,
    "g": 135,
    "b": 242
  },
  "hsl": {
    "h": 219.876,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.63928,
    "c": 0.17042,
    "h": 262.5
  },
  "luminance": 0.25488
}

Semantic roles & 50–950 ramp

primary

#5187F2

secondary

#ECD9B3

accent

#9803E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5187F2

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

Preview Lab → · Contrast checker → · Palette generator →