#5371E5#5371E5

#5371E5 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.7% C 0.179 H 269.3°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5371E5
RGB	rgb(83, 113, 229)
HSL	hsl(228, 74%, 61%)
HSV	hsv(228, 64%, 90%)
CMYK	cmyk(63.8%, 50.7%, 0%, 10.2%)
CIE-LAB	lab(51.04, 25.34, -62.28)
CIE-LCH	lch(51.04, 67.24, 292.14°)
OKLab	oklab(58.73% -0.0021 -0.1786)
OKLCH	oklch(58.73% 0.179 269.3)
XYZ	xyz(23.6105, 19.3043, 76.5954)
Luminance	0.1931 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371E5 #E5C753

analogous

#53BAE5 #5371E5 #7E53E5

triadic

#5371E5 #E55371 #71E553

tetradic

#5371E5 #E553BA #E5C753 #53E57E

square

#5371E5 #E553BA #E5C753 #53E57E

split-complementary

#5371E5 #E57E53 #BAE553

monochromatic

#1936A5 #2147DA #5371E5 #889DED #BDC9F5

Accessibility & contrast

On white

4.32

#5371E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5371E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371E5

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371E5	#FFFFFF	#000000	##000000
##5371E5	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D80E9

Deuteranopia (green-blind)

#0073E3

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #5371e5;
/* rgb */ color: rgb(83, 113, 229);
/* oklch */ color: oklch(58.7% 0.179 269.3);

Tailwind

colors: {
  custom: {
    50: '#9199ee',
    500: '#5371e5',
    950: '#000000',
  },
}

SCSS

$custom: #5371e5;
$custom-light: #9199ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5371e5",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 229
  },
  "hsl": {
    "h": 227.671,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.58734,
    "c": 0.17863,
    "h": 269.3
  },
  "luminance": 0.19306
}

Semantic roles & 50–950 ramp

primary

#5371E5

secondary

#E5DAAE

accent

#AD10D6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5371E5

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

Preview Lab → · Contrast checker → · Palette generator →