#5371E4#5371E4

#5371E4 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.7% C 0.177 H 269.3°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#5371E4
RGB	rgb(83, 113, 228)
HSL	hsl(228, 73%, 61%)
HSV	hsv(228, 64%, 89%)
CMYK	cmyk(63.6%, 50.4%, 0%, 10.6%)
CIE-LAB	lab(50.98, 25.00, -61.83)
CIE-LCH	lch(50.98, 66.69, 292.01°)
OKLab	oklab(58.66% -0.0022 -0.1773)
OKLCH	oklch(58.66% 0.177 269.3)
XYZ	xyz(23.4712, 19.2486, 75.8622)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5371E4 #E4C653

analogous

#53B9E4 #5371E4 #7D53E4

triadic

#5371E4 #E45371 #71E453

tetradic

#5371E4 #E453B9 #E4C653 #53E47D

square

#5371E4 #E453B9 #E4C653 #53E47D

split-complementary

#5371E4 #E47D53 #B9E453

monochromatic

#1A36A3 #2248D8 #5371E4 #889DEC #BDC8F5

Accessibility & contrast

On white

4.33

#5371E4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#5371E4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5371E4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5371E4	#FFFFFF	#000000	##000000
##5371E4	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F80E8

Deuteranopia (green-blind)

#0073E2

Tritanopia (blue-blind)

#008CA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5371e4;
/* rgb */ color: rgb(83, 113, 228);
/* oklch */ color: oklch(58.7% 0.177 269.3);

Tailwind

colors: {
  custom: {
    50: '#9199ed',
    500: '#5371e4',
    950: '#000000',
  },
}

SCSS

$custom: #5371e4;
$custom-light: #9199ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5371e4",
  "rgb": {
    "r": 83,
    "g": 113,
    "b": 228
  },
  "hsl": {
    "h": 227.586,
    "s": 72.864,
    "l": 60.98
  },
  "oklch": {
    "l": 0.58664,
    "c": 0.17728,
    "h": 269.3
  },
  "luminance": 0.19251
}

Semantic roles & 50–950 ramp

primary

#5371E4

secondary

#E5D9AE

accent

#AC11D5

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5371E4

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

Preview Lab → · Contrast checker → · Palette generator →