#5370DA#5370DA

#5370DA is a mid, vivid blue. Relative luminance 0.185; OKLCH L 57.8% C 0.165 H 269.2°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#5370DA
RGB	rgb(83, 112, 218)
HSL	hsl(227, 65%, 59%)
HSV	hsv(227, 62%, 85%)
CMYK	cmyk(61.9%, 48.6%, 0%, 14.5%)
CIE-LAB	lab(50.08, 22.22, -57.62)
CIE-LCH	lch(50.08, 61.76, 291.08°)
OKLab	oklab(57.78% -0.0023 -0.1649)
OKLCH	oklch(57.78% 0.165 269.2)
XYZ	xyz(22.0121, 18.4874, 68.7245)
Luminance	0.1849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370DA #DABD53

analogous

#53B4DA #5370DA #7A53DA

triadic

#5370DA #DA5370 #70DA53

tetradic

#5370DA #DA53B4 #DABD53 #53DA7A

square

#5370DA #DA53B4 #DABD53 #53DA7A

split-complementary

#5370DA #DA7A53 #B4DA53

monochromatic

#203893 #2A4CC5 #5370DA #859AE5 #B8C4F0

Accessibility & contrast

On white

4.47

#5370DA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#5370DA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370DA

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370DA	#FFFFFF	#000000	##000000
##5370DA	1.00	4.47	4.70	4.70
#FFFFFF	4.47	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#387EDE

Deuteranopia (green-blind)

#1C71D8

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #5370da;
/* rgb */ color: rgb(83, 112, 218);
/* oklch */ color: oklch(57.8% 0.165 269.2);

Tailwind

colors: {
  custom: {
    50: '#8f98e6',
    500: '#5370da',
    950: '#000000',
  },
}

SCSS

$custom: #5370da;
$custom-light: #8f98e6;
$custom-dark: #000000;

JSON

{
  "hex": "#5370da",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 218
  },
  "hsl": {
    "h": 227.111,
    "s": 64.593,
    "l": 59.02
  },
  "oklch": {
    "l": 0.57783,
    "c": 0.16494,
    "h": 269.2
  },
  "luminance": 0.18489
}

Semantic roles & 50–950 ramp

primary

#5370DA

secondary

#DFD4AA

accent

#C440E8

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5370DA

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

Preview Lab → · Contrast checker → · Palette generator →