#5271EF#5271EF

#5271EF is a mid, vivid blue. Relative luminance 0.198; OKLCH L 59.4% C 0.192 H 269.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#5271EF
RGB	rgb(82, 113, 239)
HSL	hsl(228, 83%, 63%)
HSV	hsv(228, 66%, 94%)
CMYK	cmyk(65.7%, 52.7%, 0%, 6.3%)
CIE-LAB	lab(51.65, 28.60, -66.91)
CIE-LCH	lch(51.65, 72.76, 293.14°)
OKLab	oklab(59.39% -0.0022 -0.1922)
OKLCH	oklch(59.39% 0.192 269.3)
XYZ	xyz(24.9595, 19.8338, 84.1576)
Luminance	0.1984 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5271EF #EFD052

analogous

#52BFEF #5271EF #8152EF

triadic

#5271EF #EF5271 #71EF52

tetradic

#5271EF #EF52BF #EFD052 #52EF81

square

#5271EF #EF52BF #EFD052 #52EF81

split-complementary

#5271EF #EF8152 #BFEF52

monochromatic

#1131B6 #1A43EA #5271EF #8A9FF4 #C2CDF9

Accessibility & contrast

On white

4.23

#5271EF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#5271EF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5271EF

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5271EF	#FFFFFF	#000000	##000000
##5271EF	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1983F3

Deuteranopia (green-blind)

#0074EC

Tritanopia (blue-blind)

#008FA5

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #5271ef;
/* rgb */ color: rgb(82, 113, 239);
/* oklch */ color: oklch(59.4% 0.192 269.3);

Tailwind

colors: {
  custom: {
    50: '#9399f5',
    500: '#5271ef',
    950: '#000000',
  },
}

SCSS

$custom: #5271ef;
$custom-light: #9399f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5271ef",
  "rgb": {
    "r": 82,
    "g": 113,
    "b": 239
  },
  "hsl": {
    "h": 228.153,
    "s": 83.069,
    "l": 62.941
  },
  "oklch": {
    "l": 0.59389,
    "c": 0.19226,
    "h": 269.3
  },
  "luminance": 0.19836
}

Semantic roles & 50–950 ramp

primary

#5271EF

secondary

#EBDFB2

accent

#B506DF

background

#F9F9FF

surface

#F2F2FE

border

#CCCCD6

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5271EF

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

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