#5370DF#5370DF

#5370DF is a mid, vivid blue. Relative luminance 0.188; OKLCH L 58.1% C 0.172 H 269.4°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#5370DF
RGB	rgb(83, 112, 223)
HSL	hsl(228, 69%, 60%)
HSV	hsv(228, 63%, 87%)
CMYK	cmyk(62.8%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(50.40, 23.91, -59.94)
CIE-LCH	lch(50.40, 64.54, 291.75°)
OKLab	oklab(58.12% -0.0017 -0.1718)
OKLCH	oklch(58.12% 0.172 269.4)
XYZ	xyz(22.6762, 18.7531, 72.2224)
Luminance	0.1875 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370DF #DFC253

analogous

#53B6DF #5370DF #7C53DF

triadic

#5370DF #DF5370 #70DF53

tetradic

#5370DF #DF53B6 #DFC253 #53DF7C

square

#5370DF #DF53B6 #DFC253 #53DF7C

split-complementary

#5370DF #DF7C53 #B6DF53

monochromatic

#1D379B #2649CE #5370DF #879BE9 #BAC6F2

Accessibility & contrast

On white

4.42

#5370DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#5370DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5370DF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370DF	#FFFFFF	#000000	##000000
##5370DF	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337FE3

Deuteranopia (green-blind)

#0A72DD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5370df;
/* rgb */ color: rgb(83, 112, 223);
/* oklch */ color: oklch(58.1% 0.172 269.4);

Tailwind

colors: {
  custom: {
    50: '#9098ea',
    500: '#5370df',
    950: '#000000',
  },
}

SCSS

$custom: #5370df;
$custom-light: #9098ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5370df",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 227.571,
    "s": 68.627,
    "l": 60
  },
  "oklch": {
    "l": 0.58123,
    "c": 0.17176,
    "h": 269.4
  },
  "luminance": 0.18755
}

Semantic roles & 50–950 ramp

primary

#5370DF

secondary

#E2D7AC

accent

#C73CEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5370DF

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

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