#5371EC#5371EC

#5371EC is a mid, vivid blue. Relative luminance 0.197; OKLCH L 59.2% C 0.188 H 269.5°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#5371EC
RGB	rgb(83, 113, 236)
HSL	hsl(228, 80%, 63%)
HSV	hsv(228, 65%, 93%)
CMYK	cmyk(64.8%, 52.1%, 0%, 7.5%)
CIE-LAB	lab(51.50, 27.73, -65.47)
CIE-LCH	lch(51.50, 71.10, 292.95°)
OKLab	oklab(59.23% -0.0015 -0.188)
OKLCH	oklch(59.23% 0.188 269.5)
XYZ	xyz(24.6076, 19.7031, 81.8469)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371EC #ECCE53

analogous

#53BEEC #5371EC #8153EC

triadic

#5371EC #EC5371 #71EC53

tetradic

#5371EC #EC53BE #ECCE53 #53EC81

square

#5371EC #EC53BE #ECCE53 #53EC81

split-complementary

#5371EC #EC8153 #BEEC53

monochromatic

#1432B1 #1C44E6 #5371EC #8A9EF2 #C1CCF8

Accessibility & contrast

On white

4.25

#5371EC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#5371EC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371EC

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371EC	#FFFFFF	#000000	##000000
##5371EC	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2182F0

Deuteranopia (green-blind)

#0074E9

Tritanopia (blue-blind)

#008EA4

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5371ec;
/* rgb */ color: rgb(83, 113, 236);
/* oklch */ color: oklch(59.2% 0.188 269.5);

Tailwind

colors: {
  custom: {
    50: '#9399f3',
    500: '#5371ec',
    950: '#000000',
  },
}

SCSS

$custom: #5371ec;
$custom-light: #9399f3;
$custom-dark: #000000;

JSON

{
  "hex": "#5371ec",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 236
  },
  "hsl": {
    "h": 228.235,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.59227,
    "c": 0.188,
    "h": 269.5
  },
  "luminance": 0.19705
}

Semantic roles & 50–950 ramp

primary

#5371EC

secondary

#E9DEB2

accent

#B309DC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5371EC

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

Preview Lab → · Contrast checker → · Palette generator →