#5189E4#5189E4

#5189E4 is a light, vivid blue. Relative luminance 0.252; OKLCH L 63.5% C 0.150 H 259.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#5189E4
RGB	rgb(81, 137, 228)
HSL	hsl(217, 73%, 61%)
HSV	hsv(217, 64%, 89%)
CMYK	cmyk(64.5%, 39.9%, 0%, 10.6%)
CIE-LAB	lab(57.31, 9.99, -51.69)
CIE-LCH	lch(57.31, 52.65, 280.94°)
OKLab	oklab(63.49% -0.0269 -0.1472)
OKLCH	oklch(63.49% 0.15 259.6)
XYZ	xyz(26.3376, 25.2396, 76.8675)
Luminance	0.2524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5189E4 #E4AC51

analogous

#51D2E4 #5189E4 #6251E4

triadic

#5189E4 #E45189 #89E451

tetradic

#5189E4 #E451D2 #E4AC51 #51E462

square

#5189E4 #E451D2 #E4AC51 #51E462

split-complementary

#5189E4 #E46251 #D2E451

monochromatic

#194DA2 #2166D7 #5189E4 #86ADEC #BBD1F4

Accessibility & contrast

On white

3.47

#5189E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#5189E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5189E4

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5189E4	#FFFFFF	#000000	##000000
##5189E4	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6091E8

Deuteranopia (green-blind)

#4A83E2

Tritanopia (blue-blind)

#009EAB

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5189e4;
/* rgb */ color: rgb(81, 137, 228);
/* oklch */ color: oklch(63.5% 0.150 259.6);

Tailwind

colors: {
  custom: {
    50: '#8faaed',
    500: '#5189e4',
    950: '#000000',
  },
}

SCSS

$custom: #5189e4;
$custom-light: #8faaed;
$custom-dark: #000000;

JSON

{
  "hex": "#5189e4",
  "rgb": {
    "r": 81,
    "g": 137,
    "b": 228
  },
  "hsl": {
    "h": 217.143,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.63492,
    "c": 0.14964,
    "h": 259.6
  },
  "luminance": 0.25242
}

Semantic roles & 50–950 ramp

primary

#5189E4

secondary

#E4CFAC

accent

#8A10D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5189E4

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

Preview Lab → · Contrast checker → · Palette generator →