#5378CB#5378CB

#5378CB is a mid, vivid blue. Relative luminance 0.196; OKLCH L 58.5% C 0.134 H 264.5°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#5378CB
RGB	rgb(83, 120, 203)
HSL	hsl(222, 54%, 56%)
HSV	hsv(222, 59%, 80%)
CMYK	cmyk(59.1%, 40.9%, 0%, 20.4%)
CIE-LAB	lab(51.36, 12.21, -47.06)
CIE-LCH	lch(51.36, 48.62, 284.54°)
OKLab	oklab(58.48% -0.0129 -0.1338)
OKLCH	oklch(58.48% 0.134 264.5)
XYZ	xyz(21.0595, 19.5820, 59.1582)
Luminance	0.1958 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378CB #CBA653

analogous

#53B4CB #5378CB #6A53CB

triadic

#5378CB #CB5378 #78CB53

tetradic

#5378CB #CB53B4 #CBA653 #53CB6A

square

#5378CB #CB53B4 #CBA653 #53CB6A

split-complementary

#5378CB #CB6A53 #B4CB53

monochromatic

#26417E #3459AD #5378CB #829DD9 #B1C2E7

Accessibility & contrast

On white

4.27

#5378CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#5378CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378CB

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378CB	#FFFFFF	#000000	##000000
##5378CB	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5480CE

Deuteranopia (green-blind)

#4475C9

Tritanopia (blue-blind)

#008B98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5378cb;
/* rgb */ color: rgb(83, 120, 203);
/* oklch */ color: oklch(58.5% 0.134 264.5);

Tailwind

colors: {
  custom: {
    50: '#8d9edb',
    500: '#5378cb',
    950: '#000000',
  },
}

SCSS

$custom: #5378cb;
$custom-light: #8d9edb;
$custom-dark: #000000;

JSON

{
  "hex": "#5378cb",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 203
  },
  "hsl": {
    "h": 221.5,
    "s": 53.571,
    "l": 56.078
  },
  "oklch": {
    "l": 0.58479,
    "c": 0.13441,
    "h": 264.5
  },
  "luminance": 0.19584
}

Semantic roles & 50–950 ramp

primary

#5378CB

secondary

#D6C6A4

accent

#B04BDD

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5378CB

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

Preview Lab → · Contrast checker → · Palette generator →