#5378CF#5378CF

#5378CF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 58.7% C 0.140 H 265.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#5378CF
RGB	rgb(83, 120, 207)
HSL	hsl(222, 56%, 57%)
HSV	hsv(222, 60%, 81%)
CMYK	cmyk(59.9%, 42%, 0%, 18.8%)
CIE-LAB	lab(51.58, 13.55, -48.98)
CIE-LCH	lch(51.58, 50.82, 285.46°)
OKLab	oklab(58.72% -0.0121 -0.1394)
OKLCH	oklch(58.72% 0.14 265)
XYZ	xyz(21.5424, 19.7751, 61.7011)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5378CF #CFAA53

analogous

#53B6CF #5378CF #6C53CF

triadic

#5378CF #CF5378 #78CF53

tetradic

#5378CF #CF53B6 #CFAA53 #53CF6C

square

#5378CF #CF53B6 #CFAA53 #53CF6C

split-complementary

#5378CF #CF6C53 #B6CF53

monochromatic

#254183 #3258B3 #5378CF #839EDC #B3C3EA

Accessibility & contrast

On white

4.24

#5378CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#5378CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5378CF

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5378CF	#FFFFFF	#000000	##000000
##5378CF	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5181D2

Deuteranopia (green-blind)

#4076CD

Tritanopia (blue-blind)

#008B99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5378cf;
/* rgb */ color: rgb(83, 120, 207);
/* oklch */ color: oklch(58.7% 0.140 265.0);

Tailwind

colors: {
  custom: {
    50: '#8d9ede',
    500: '#5378cf',
    950: '#000000',
  },
}

SCSS

$custom: #5378cf;
$custom-light: #8d9ede;
$custom-dark: #000000;

JSON

{
  "hex": "#5378cf",
  "rgb": {
    "r": 83,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 222.097,
    "s": 56.364,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58721,
    "c": 0.13995,
    "h": 265
  },
  "luminance": 0.19777
}

Semantic roles & 50–950 ramp

primary

#5378CF

secondary

#D8C9A6

accent

#B248E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5378CF

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

Preview Lab → · Contrast checker → · Palette generator →