#5188E8#5188E8

#5188E8 is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.5% C 0.156 H 260.7°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX	#5188E8
RGB	rgb(81, 136, 232)
HSL	hsl(218, 77%, 61%)
HSV	hsv(218, 65%, 91%)
CMYK	cmyk(65.1%, 41.4%, 0%, 9%)
CIE-LAB	lab(57.25, 11.96, -54.01)
CIE-LCH	lch(57.25, 55.32, 282.48°)
OKLab	oklab(63.52% -0.0251 -0.154)
OKLCH	oklch(63.52% 0.156 260.7)
XYZ	xyz(26.7578, 25.1813, 79.7786)
Luminance	0.2518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188E8 #E8B151

analogous

#51D3E8 #5188E8 #6651E8

triadic

#5188E8 #E85188 #88E851

tetradic

#5188E8 #E851D3 #E8B151 #51E866

square

#5188E8 #E851D3 #E8B151 #51E866

split-complementary

#5188E8 #E86651 #D3E851

monochromatic

#164BA8 #1D64DE #5188E8 #87ADEF #BDD2F6

Accessibility & contrast

On white

3.48

#5188E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.04

#5188E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188E8

6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188E8	#FFFFFF	#000000	##000000
##5188E8	1.00	3.48	6.04	6.04
#FFFFFF	3.48	1.00	21.00	21.00
#000000	6.04	21.00	1.00	1.00
##000000	6.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C91EC

Deuteranopia (green-blind)

#4483E6

Tritanopia (blue-blind)

#009EAD

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5188e8;
/* rgb */ color: rgb(81, 136, 232);
/* oklch */ color: oklch(63.5% 0.156 260.7);

Tailwind

colors: {
  custom: {
    50: '#90aaf0',
    500: '#5188e8',
    950: '#000000',
  },
}

SCSS

$custom: #5188e8;
$custom-light: #90aaf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5188e8",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 232
  },
  "hsl": {
    "h": 218.146,
    "s": 76.65,
    "l": 61.373
  },
  "oklch": {
    "l": 0.63519,
    "c": 0.15604,
    "h": 260.7
  },
  "luminance": 0.25184
}

Semantic roles & 50–950 ramp

primary

#5188E8

secondary

#E7D2AE

accent

#8E0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5188E8

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

Preview Lab → · Contrast checker → · Palette generator →