#5370E4#5370E4

#5370E4 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.5% C 0.179 H 269.6°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#5370E4
RGB	rgb(83, 112, 228)
HSL	hsl(228, 73%, 61%)
HSV	hsv(228, 64%, 89%)
CMYK	cmyk(63.6%, 50.9%, 0%, 10.6%)
CIE-LAB	lab(50.72, 25.62, -62.24)
CIE-LCH	lch(50.72, 67.31, 292.37°)
OKLab	oklab(58.47% -0.0013 -0.1785)
OKLCH	oklch(58.47% 0.179 269.6)
XYZ	xyz(23.3603, 19.0267, 75.8252)
Luminance	0.1903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370E4 #E4C753

analogous

#53B8E4 #5370E4 #7E53E4

triadic

#5370E4 #E45370 #70E453

tetradic

#5370E4 #E453B8 #E4C753 #53E47E

square

#5370E4 #E453B8 #E4C753 #53E47E

split-complementary

#5370E4 #E47E53 #B8E453

monochromatic

#1A35A3 #2246D8 #5370E4 #889CEC #BDC8F5

Accessibility & contrast

On white

4.37

#5370E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#5370E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370E4

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370E4	#FFFFFF	#000000	##000000
##5370E4	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C80E8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#008B9F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5370e4;
/* rgb */ color: rgb(83, 112, 228);
/* oklch */ color: oklch(58.5% 0.179 269.6);

Tailwind

colors: {
  custom: {
    50: '#9198ed',
    500: '#5370e4',
    950: '#000000',
  },
}

SCSS

$custom: #5370e4;
$custom-light: #9198ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5370e4",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 228
  },
  "hsl": {
    "h": 228,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58469,
    "c": 0.17851,
    "h": 269.6
  },
  "luminance": 0.19029
}

Semantic roles & 50–950 ramp

primary

#5370E4

secondary

#E5DAAE

accent

#AE11D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5370E4

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

Preview Lab → · Contrast checker → · Palette generator →