#5378C9#5378C9

#5378C9 is a mid, vivid blue. Relative luminance 0.195; OKLCH L 58.4% C 0.132 H 264.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#5378C9
RGB	rgb(83, 120, 201)
HSL	hsl(221, 52%, 56%)
HSV	hsv(221, 59%, 79%)
CMYK	cmyk(58.7%, 40.3%, 0%, 21.2%)
CIE-LAB	lab(51.25, 11.54, -46.09)
CIE-LCH	lch(51.25, 47.51, 284.05°)
OKLab	oklab(58.36% -0.0133 -0.1309)
OKLCH	oklch(58.36% 0.132 264.2)
XYZ	xyz(20.8228, 19.4873, 57.9111)
Luminance	0.1949 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378C9 #C9A453

analogous

#53B3C9 #5378C9 #6953C9

triadic

#5378C9 #C95378 #78C953

tetradic

#5378C9 #C953B3 #C9A453 #53C969

square

#5378C9 #C953B3 #C9A453 #53C969

split-complementary

#5378C9 #C96953 #B3C953

monochromatic

#27417B #355AAA #5378C9 #829DD8 #B0C1E6

Accessibility & contrast

On white

4.29

#5378C9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#5378C9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378C9

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378C9	#FFFFFF	#000000	##000000
##5378C9	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5580CC

Deuteranopia (green-blind)

#4575C7

Tritanopia (blue-blind)

#008A97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5378c9;
/* rgb */ color: rgb(83, 120, 201);
/* oklch */ color: oklch(58.4% 0.132 264.2);

Tailwind

colors: {
  custom: {
    50: '#8d9eda',
    500: '#5378c9',
    950: '#000000',
  },
}

SCSS

$custom: #5378c9;
$custom-light: #8d9eda;
$custom-dark: #000000;

JSON

{
  "hex": "#5378c9",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 201
  },
  "hsl": {
    "h": 221.186,
    "s": 52.212,
    "l": 55.686
  },
  "oklch": {
    "l": 0.5836,
    "c": 0.13162,
    "h": 264.2
  },
  "luminance": 0.19489
}

Semantic roles & 50–950 ramp

primary

#5378C9

secondary

#D4C5A3

accent

#AF4CDC

background

#F9F9FD

surface

#F1F2FA

border

#CBCCD3

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5378C9

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

Preview Lab → · Contrast checker → · Palette generator →