#5370BE#5370BE

#5370BE is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.126 H 267.0°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#5370BE
RGB	rgb(83, 112, 190)
HSL	hsl(224, 45%, 54%)
HSV	hsv(224, 56%, 75%)
CMYK	cmyk(56.3%, 41.1%, 0%, 25.5%)
CIE-LAB	lab(48.44, 12.80, -44.25)
CIE-LCH	lch(48.44, 46.06, 286.13°)
OKLab	oklab(56% -0.0067 -0.1257)
OKLCH	oklch(56% 0.126 267)
XYZ	xyz(18.6526, 17.1436, 51.0313)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370BE #BEA153

analogous

#53A5BE #5370BE #6B53BE

triadic

#5370BE #BE5370 #70BE53

tetradic

#5370BE #BE53A5 #BEA153 #53BE6B

square

#5370BE #BE53A5 #BEA153 #53BE6B

split-complementary

#5370BE #BE6B53 #A5BE53

monochromatic

#293C6D #3A549A #5370BE #7F95CF #ACBAE0

Accessibility & contrast

On white

4.74

#5370BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#5370BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5370BE

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370BE	#FFFFFF	#000000	##FFFFFF
##5370BE	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#426FBC

Tritanopia (blue-blind)

#0D818E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5370be;
/* rgb */ color: rgb(83, 112, 190);
/* oklch */ color: oklch(56.0% 0.126 267.0);

Tailwind

colors: {
  custom: {
    50: '#8b98d2',
    500: '#5370be',
    950: '#000000',
  },
}

SCSS

$custom: #5370be;
$custom-light: #8b98d2;
$custom-dark: #000000;

JSON

{
  "hex": "#5370be",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 190
  },
  "hsl": {
    "h": 223.738,
    "s": 45.148,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55997,
    "c": 0.12583,
    "h": 267
  },
  "luminance": 0.17145
}

Semantic roles & 50–950 ramp

primary

#5370BE

secondary

#CDC19F

accent

#B253D5

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0D14

muted

#7D7E82

Preview Lab

Preview with #5370BE

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

Preview Lab → · Contrast checker → · Palette generator →