#5370E7#5370E7

#5370E7 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.7% C 0.183 H 269.7°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5370E7
RGB	rgb(83, 112, 231)
HSL	hsl(228, 76%, 62%)
HSV	hsv(228, 64%, 91%)
CMYK	cmyk(64.1%, 51.5%, 0%, 9.4%)
CIE-LAB	lab(50.91, 26.64, -63.61)
CIE-LCH	lch(50.91, 68.97, 292.72°)
OKLab	oklab(58.68% -0.001 -0.1825)
OKLCH	oklch(58.68% 0.183 269.7)
XYZ	xyz(23.7804, 19.1947, 78.0376)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370E7 #E7CA53

analogous

#53BAE7 #5370E7 #8053E7

triadic

#5370E7 #E75370 #70E753

tetradic

#5370E7 #E753BA #E7CA53 #53E780

square

#5370E7 #E753BA #E7CA53 #53E780

split-complementary

#5370E7 #E78053 #BAE753

monochromatic

#1734A8 #1F44DE #5370E7 #899DEE #BEC9F6

Accessibility & contrast

On white

4.34

#5370E7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5370E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370E7

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370E7	#FFFFFF	#000000	##000000
##5370E7	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2780EB

Deuteranopia (green-blind)

#0073E5

Tritanopia (blue-blind)

#008CA1

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5370e7;
/* rgb */ color: rgb(83, 112, 231);
/* oklch */ color: oklch(58.7% 0.183 269.7);

Tailwind

colors: {
  custom: {
    50: '#9298ef',
    500: '#5370e7',
    950: '#000000',
  },
}

SCSS

$custom: #5370e7;
$custom-light: #9298ef;
$custom-dark: #000000;

JSON

{
  "hex": "#5370e7",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 231
  },
  "hsl": {
    "h": 228.243,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.58679,
    "c": 0.18254,
    "h": 269.7
  },
  "luminance": 0.19197
}

Semantic roles & 50–950 ramp

primary

#5370E7

secondary

#E6DCAF

accent

#B00ED8

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5370E7

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

Preview Lab → · Contrast checker → · Palette generator →