#5370BF#5370BF

#5370BF is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.127 H 267.1°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5370BF
RGB	rgb(83, 112, 191)
HSL	hsl(224, 46%, 54%)
HSV	hsv(224, 57%, 75%)
CMYK	cmyk(56.5%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(48.50, 13.13, -44.74)
CIE-LCH	lch(48.50, 46.63, 286.36°)
OKLab	oklab(56.06% -0.0065 -0.1271)
OKLCH	oklch(56.06% 0.127 267.1)
XYZ	xyz(18.7623, 17.1875, 51.6089)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5370BF #BFA253

analogous

#53A6BF #5370BF #6C53BF

triadic

#5370BF #BF5370 #70BF53

tetradic

#5370BF #BF53A6 #BFA253 #53BF6C

square

#5370BF #BF53A6 #BFA253 #53BF6C

split-complementary

#5370BF #BF6C53 #A6BF53

monochromatic

#293C6E #3A549B #5370BF #8095D0 #ACBAE0

Accessibility & contrast

On white

4.73

#5370BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#5370BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5370BF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5370BF	#FFFFFF	#000000	##FFFFFF
##5370BF	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E78C2

Deuteranopia (green-blind)

#416FBD

Tritanopia (blue-blind)

#0A818E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #5370bf;
/* rgb */ color: rgb(83, 112, 191);
/* oklch */ color: oklch(56.1% 0.127 267.1);

Tailwind

colors: {
  custom: {
    50: '#8b98d3',
    500: '#5370bf',
    950: '#000000',
  },
}

SCSS

$custom: #5370bf;
$custom-light: #8b98d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5370bf",
  "rgb": {
    "r": 83,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 223.889,
    "s": 45.763,
    "l": 53.725
  },
  "oklch": {
    "l": 0.56057,
    "c": 0.12725,
    "h": 267.1
  },
  "luminance": 0.17189
}

Semantic roles & 50–950 ramp

primary

#5370BF

secondary

#CEC2A0

accent

#B252D5

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0D0D14

muted

#7D7E83

Preview Lab

Preview with #5370BF

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

Preview Lab → · Contrast checker → · Palette generator →