#5188DF#5188DF

#5188DF is a light, vivid blue. Relative luminance 0.247; OKLCH L 63.0% C 0.144 H 259.2°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#5188DF
RGB	rgb(81, 136, 223)
HSL	hsl(217, 69%, 60%)
HSV	hsv(217, 64%, 87%)
CMYK	cmyk(63.7%, 39%, 0%, 12.5%)
CIE-LAB	lab(56.77, 8.89, -49.76)
CIE-LCH	lch(56.77, 50.55, 280.13°)
OKLab	oklab(62.98% -0.027 -0.1416)
OKLCH	oklch(62.98% 0.144 259.2)
XYZ	xyz(25.5120, 24.6829, 73.2175)
Luminance	0.2469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188DF #DFA851

analogous

#51CFDF #5188DF #6151DF

triadic

#5188DF #DF5188 #88DF51

tetradic

#5188DF #DF51CF #DFA851 #51DF61

square

#5188DF #DF51CF #DFA851 #51DF61

split-complementary

#5188DF #DF6151 #CFDF51

monochromatic

#1C4D99 #2667CD #5188DF #85ABE9 #B8CFF2

Accessibility & contrast

On white

3.54

#5188DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#5188DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188DF

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188DF	#FFFFFF	#000000	##000000
##5188DF	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618FE2

Deuteranopia (green-blind)

#4D82DD

Tritanopia (blue-blind)

#009CA9

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5188df;
/* rgb */ color: rgb(81, 136, 223);
/* oklch */ color: oklch(63.0% 0.144 259.2);

Tailwind

colors: {
  custom: {
    50: '#8faae9',
    500: '#5188df',
    950: '#000000',
  },
}

SCSS

$custom: #5188df;
$custom-light: #8faae9;
$custom-dark: #000000;

JSON

{
  "hex": "#5188df",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 223
  },
  "hsl": {
    "h": 216.761,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.62984,
    "c": 0.14411,
    "h": 259.2
  },
  "luminance": 0.24685
}

Semantic roles & 50–950 ramp

primary

#5188DF

secondary

#E1CCAA

accent

#A83CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #5188DF

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

Preview Lab → · Contrast checker → · Palette generator →