#5278CF#5278CF

#5278CF is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.7% C 0.140 H 264.7°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#5278CF
RGB	rgb(82, 120, 207)
HSL	hsl(222, 57%, 57%)
HSV	hsv(222, 60%, 81%)
CMYK	cmyk(60.4%, 42%, 0%, 18.8%)
CIE-LAB	lab(51.53, 13.36, -49.07)
CIE-LCH	lch(51.53, 50.85, 285.23°)
OKLab	oklab(58.67% -0.013 -0.1397)
OKLCH	oklch(58.67% 0.14 264.7)
XYZ	xyz(21.4548, 19.7299, 61.6970)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5278CF #CFA952

analogous

#52B7CF #5278CF #6B52CF

triadic

#5278CF #CF5278 #78CF52

tetradic

#5278CF #CF52B7 #CFA952 #52CF6B

square

#5278CF #CF52B7 #CFA952 #52CF6B

split-complementary

#5278CF #CF6B52 #B7CF52

monochromatic

#244182 #3159B2 #5278CF #829DDC #B2C3EA

Accessibility & contrast

On white

4.25

#5278CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#5278CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5278CF

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5278CF	#FFFFFF	#000000	##000000
##5278CF	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)

#5181D2

Deuteranopia (green-blind)

#3F76CD

Tritanopia (blue-blind)

#008C99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5278cf;
/* rgb */ color: rgb(82, 120, 207);
/* oklch */ color: oklch(58.7% 0.140 264.7);

Tailwind

colors: {
  custom: {
    50: '#8d9ede',
    500: '#5278cf',
    950: '#000000',
  },
}

SCSS

$custom: #5278cf;
$custom-light: #8d9ede;
$custom-dark: #000000;

JSON

{
  "hex": "#5278cf",
  "rgb": {
    "r": 82,
    "g": 120,
    "b": 207
  },
  "hsl": {
    "h": 221.76,
    "s": 56.561,
    "l": 56.667
  },
  "oklch": {
    "l": 0.58667,
    "c": 0.14031,
    "h": 264.7
  },
  "luminance": 0.19732
}

Semantic roles & 50–950 ramp

primary

#5278CF

secondary

#D8C8A5

accent

#B248E0

background

#F9F9FD

surface

#F1F2FB

border

#CBCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #5278CF

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

Preview Lab → · Contrast checker → · Palette generator →