#5378CE#5378CE

#5378CE is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.7% C 0.139 H 264.9°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5378CE
RGB	rgb(83, 120, 206)
HSL	hsl(222, 56%, 57%)
HSV	hsv(222, 60%, 81%)
CMYK	cmyk(59.7%, 41.7%, 0%, 19.2%)
CIE-LAB	lab(51.53, 13.21, -48.50)
CIE-LCH	lch(51.53, 50.27, 285.24°)
OKLab	oklab(58.66% -0.0123 -0.138)
OKLCH	oklch(58.66% 0.139 264.9)
XYZ	xyz(21.4205, 19.7264, 61.0593)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378CE #CEA953

analogous

#53B6CE #5378CE #6C53CE

triadic

#5378CE #CE5378 #78CE53

tetradic

#5378CE #CE53B6 #CEA953 #53CE6C

square

#5378CE #CE53B6 #CEA953 #53CE6C

split-complementary

#5378CE #CE6C53 #B6CE53

monochromatic

#254182 #3359B1 #5378CE #839DDC #B2C3E9

Accessibility & contrast

On white

4.25

#5378CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5378CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378CE

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378CE	#FFFFFF	#000000	##000000
##5378CE	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5281D1

Deuteranopia (green-blind)

#4176CC

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5378ce;
/* rgb */ color: rgb(83, 120, 206);
/* oklch */ color: oklch(58.7% 0.139 264.9);

Tailwind

colors: {
  custom: {
    50: '#8d9edd',
    500: '#5378ce',
    950: '#000000',
  },
}

SCSS

$custom: #5378ce;
$custom-light: #8d9edd;
$custom-dark: #000000;

JSON

{
  "hex": "#5378ce",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 206
  },
  "hsl": {
    "h": 221.951,
    "s": 55.656,
    "l": 56.667
  },
  "oklch": {
    "l": 0.5866,
    "c": 0.13858,
    "h": 264.9
  },
  "luminance": 0.19728
}

Semantic roles & 50–950 ramp

primary

#5378CE

secondary

#D8C8A5

accent

#B249DF

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5378CE

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

Preview Lab → · Contrast checker → · Palette generator →