#5370E1#5370E1

#5370E1 is a mid, vivid blue. Relative luminance 0.189; OKLCH L 58.3% C 0.174 H 269.5°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#5370E1
RGB	rgb(83, 112, 225)
HSL	hsl(228, 70%, 60%)
HSV	hsv(228, 63%, 88%)
CMYK	cmyk(63.1%, 50.2%, 0%, 11.8%)
CIE-LAB	lab(50.52, 24.60, -60.87)
CIE-LCH	lch(50.52, 65.65, 292.00°)
OKLab	oklab(58.26% -0.0015 -0.1745)
OKLCH	oklch(58.26% 0.174 269.5)
XYZ	xyz(22.9475, 18.8616, 73.6509)
Luminance	0.1886 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370E1 #E1C453

analogous

#53B7E1 #5370E1 #7D53E1

triadic

#5370E1 #E15370 #70E153

tetradic

#5370E1 #E153B7 #E1C453 #53E17D

square

#5370E1 #E153B7 #E1C453 #53E17D

split-complementary

#5370E1 #E17D53 #B7E153

monochromatic

#1C369E #2548D2 #5370E1 #879BEA #BBC7F3

Accessibility & contrast

On white

4.40

#5370E1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#5370E1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370E1

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370E1	#FFFFFF	#000000	##000000
##5370E1	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#307FE5

Deuteranopia (green-blind)

#0072DF

Tritanopia (blue-blind)

#008A9E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5370e1;
/* rgb */ color: rgb(83, 112, 225);
/* oklch */ color: oklch(58.3% 0.174 269.5);

Tailwind

colors: {
  custom: {
    50: '#9198eb',
    500: '#5370e1',
    950: '#000000',
  },
}

SCSS

$custom: #5370e1;
$custom-light: #9198eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5370e1",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 225
  },
  "hsl": {
    "h": 227.746,
    "s": 70.297,
    "l": 60.392
  },
  "oklch": {
    "l": 0.5826,
    "c": 0.17447,
    "h": 269.5
  },
  "luminance": 0.18864
}

Semantic roles & 50–950 ramp

primary

#5370E1

secondary

#E3D8AD

accent

#AB13D2

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5370E1

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

Preview Lab → · Contrast checker → · Palette generator →