#5278E4#5278E4

#5278E4 is a mid, vivid blue. Relative luminance 0.208; OKLCH L 60.0% C 0.169 H 266.7°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#5278E4
RGB	rgb(82, 120, 228)
HSL	hsl(224, 73%, 61%)
HSV	hsv(224, 64%, 89%)
CMYK	cmyk(64%, 47.4%, 0%, 10.6%)
CIE-LAB	lab(52.76, 20.51, -58.96)
CIE-LCH	lch(52.76, 62.43, 289.18°)
OKLab	oklab(60.01% -0.0097 -0.1688)
OKLCH	oklch(60.01% 0.169 266.7)
XYZ	xyz(24.1949, 20.8260, 76.1285)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5278E4 #E4BE52

analogous

#52C1E4 #5278E4 #7552E4

triadic

#5278E4 #E45278 #78E452

tetradic

#5278E4 #E452C1 #E4BE52 #52E475

square

#5278E4 #E452C1 #E4BE52 #52E475

split-complementary

#5278E4 #E47552 #C1E452

monochromatic

#193DA2 #2251D7 #5278E4 #87A1EC #BCCBF5

Accessibility & contrast

On white

4.07

#5278E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#5278E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5278E4

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5278E4	#FFFFFF	#000000	##000000
##5278E4	1.00	4.07	5.17	5.17
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4085E8

Deuteranopia (green-blind)

#2278E2

Tritanopia (blue-blind)

#0091A3

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #5278e4;
/* rgb */ color: rgb(82, 120, 228);
/* oklch */ color: oklch(60.0% 0.169 266.7);

Tailwind

colors: {
  custom: {
    50: '#909eed',
    500: '#5278e4',
    950: '#000000',
  },
}

SCSS

$custom: #5278e4;
$custom-light: #909eed;
$custom-dark: #000000;

JSON

{
  "hex": "#5278e4",
  "rgb": {
    "r": 82,
    "g": 120,
    "b": 228
  },
  "hsl": {
    "h": 224.384,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.60005,
    "c": 0.16905,
    "h": 266.7
  },
  "luminance": 0.20828
}

Semantic roles & 50–950 ramp

primary

#5278E4

secondary

#E5D6AD

accent

#A210D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5278E4

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

Preview Lab → · Contrast checker → · Palette generator →