#5271E4#5271E4

#5271E4 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.6% C 0.178 H 269.0°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#5271E4
RGB	rgb(82, 113, 228)
HSL	hsl(227, 73%, 61%)
HSV	hsv(227, 64%, 89%)
CMYK	cmyk(64%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(50.92, 24.83, -61.91)
CIE-LCH	lch(50.92, 66.71, 291.86°)
OKLab	oklab(58.61% -0.0031 -0.1776)
OKLCH	oklch(58.61% 0.178 269)
XYZ	xyz(23.3836, 19.2034, 75.8581)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5271E4 #E4C552

analogous

#52BAE4 #5271E4 #7C52E4

triadic

#5271E4 #E45271 #71E452

tetradic

#5271E4 #E452BA #E4C552 #52E47C

square

#5271E4 #E452BA #E4C552 #52E47C

split-complementary

#5271E4 #E47C52 #BAE452

monochromatic

#1936A2 #2248D7 #5271E4 #879CEC #BCC8F5

Accessibility & contrast

On white

4.34

#5271E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#5271E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5271E4

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5271E4	#FFFFFF	#000000	##000000
##5271E4	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E80E8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5271e4;
/* rgb */ color: rgb(82, 113, 228);
/* oklch */ color: oklch(58.6% 0.178 269.0);

Tailwind

colors: {
  custom: {
    50: '#9199ed',
    500: '#5271e4',
    950: '#000000',
  },
}

SCSS

$custom: #5271e4;
$custom-light: #9199ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5271e4",
  "rgb": {
    "r": 82,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 227.26,
    "s": 73,
    "l": 60.784
  },
  "oklch": {
    "l": 0.58611,
    "c": 0.17758,
    "h": 269
  },
  "luminance": 0.19206
}

Semantic roles & 50–950 ramp

primary

#5271E4

secondary

#E5D9AD

accent

#AB10D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5271E4

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

Preview Lab → · Contrast checker → · Palette generator →