#5189EC#5189EC

#5189EC is a light, vivid blue. Relative luminance 0.257; OKLCH L 64.0% C 0.160 H 260.9°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#5189EC
RGB	rgb(81, 137, 236)
HSL	hsl(218, 80%, 62%)
HSV	hsv(218, 66%, 93%)
CMYK	cmyk(65.7%, 41.9%, 0%, 7.5%)
CIE-LAB	lab(57.75, 12.73, -55.44)
CIE-LCH	lch(57.75, 56.88, 282.93°)
OKLab	oklab(63.97% -0.0253 -0.1582)
OKLCH	oklch(63.97% 0.16 260.9)
XYZ	xyz(27.4739, 25.6941, 82.8522)
Luminance	0.2570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5189EC #ECB451

analogous

#51D6EC #5189EC #6751EC

triadic

#5189EC #EC5189 #89EC51

tetradic

#5189EC #EC51D6 #ECB451 #51EC67

square

#5189EC #EC51D6 #ECB451 #51EC67

split-complementary

#5189EC #EC6751 #D6EC51

monochromatic

#134CAF #1A64E6 #5189EC #88AEF2 #BFD4F8

Accessibility & contrast

On white

3.42

#5189EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#5189EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5189EC

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5189EC	#FFFFFF	#000000	##000000
##5189EC	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B92F0

Deuteranopia (green-blind)

#4284EA

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5189ec;
/* rgb */ color: rgb(81, 137, 236);
/* oklch */ color: oklch(64.0% 0.160 260.9);

Tailwind

colors: {
  custom: {
    50: '#91aaf3',
    500: '#5189ec',
    950: '#000000',
  },
}

SCSS

$custom: #5189ec;
$custom-light: #91aaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5189ec",
  "rgb": {
    "r": 81,
    "g": 137,
    "b": 236
  },
  "hsl": {
    "h": 218.323,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.63973,
    "c": 0.16022,
    "h": 260.9
  },
  "luminance": 0.25697
}

Semantic roles & 50–950 ramp

primary

#5189EC

secondary

#E9D4B0

accent

#9009DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5189EC

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

Preview Lab → · Contrast checker → · Palette generator →