#5188D9#5188D9

#5188D9 is a light, vivid blue. Relative luminance 0.244; OKLCH L 62.6% C 0.136 H 258.0°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#5188D9
RGB	rgb(81, 136, 217)
HSL	hsl(216, 64%, 58%)
HSV	hsv(216, 63%, 85%)
CMYK	cmyk(62.7%, 37.3%, 0%, 14.9%)
CIE-LAB	lab(56.45, 6.86, -46.90)
CIE-LCH	lch(56.45, 47.40, 278.32°)
OKLab	oklab(62.64% -0.0283 -0.1332)
OKLCH	oklch(62.64% 0.136 258)
XYZ	xyz(24.7174, 24.3651, 69.0325)
Luminance	0.2437 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188D9 #D9A251

analogous

#51CCD9 #5188D9 #5E51D9

triadic

#5188D9 #D95188 #88D951

tetradic

#5188D9 #D951CC #D9A251 #51D95E

square

#5188D9 #D951CC #D9A251 #51D95E

split-complementary

#5188D9 #D95E51 #CCD951

monochromatic

#1F4D90 #2A68C2 #5188D9 #83AAE4 #B5CDEF

Accessibility & contrast

On white

3.58

#5188D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#5188D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188D9

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188D9	#FFFFFF	#000000	##000000
##5188D9	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658EDC

Deuteranopia (green-blind)

#5282D7

Tritanopia (blue-blind)

#009AA6

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5188d9;
/* rgb */ color: rgb(81, 136, 217);
/* oklch */ color: oklch(62.6% 0.136 258.0);

Tailwind

colors: {
  custom: {
    50: '#8eaae5',
    500: '#5188d9',
    950: '#000000',
  },
}

SCSS

$custom: #5188d9;
$custom-light: #8eaae5;
$custom-dark: #000000;

JSON

{
  "hex": "#5188d9",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 217
  },
  "hsl": {
    "h": 215.735,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.62638,
    "c": 0.13615,
    "h": 258
  },
  "luminance": 0.24367
}

Semantic roles & 50–950 ramp

primary

#5188D9

secondary

#DEC8A8

accent

#A441E7

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #5188D9

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

Preview Lab → · Contrast checker → · Palette generator →