#537CE2#537CE2

#537CE2 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.7% C 0.161 H 265.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#537CE2
RGB	rgb(83, 124, 226)
HSL	hsl(223, 71%, 61%)
HSV	hsv(223, 63%, 89%)
CMYK	cmyk(63.3%, 45.1%, 0%, 11.4%)
CIE-LAB	lab(53.75, 17.54, -56.24)
CIE-LCH	lch(53.75, 58.91, 287.32°)
OKLab	oklab(60.74% -0.0129 -0.1607)
OKLCH	oklch(60.74% 0.161 265.4)
XYZ	xyz(24.4977, 21.7431, 74.8426)
Luminance	0.2175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CE2 #E2B953

analogous

#53C3E2 #537CE2 #7153E2

triadic

#537CE2 #E2537C #7CE253

tetradic

#537CE2 #E253C3 #E2B953 #53E271

square

#537CE2 #E253C3 #E2B953 #53E271

split-complementary

#537CE2 #E27153 #C3E253

monochromatic

#1B41A0 #2456D4 #537CE2 #87A4EB #BCCCF4

Accessibility & contrast

On white

3.93

#537CE2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#537CE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CE2

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CE2	#FFFFFF	#000000	##000000
##537CE2	1.00	3.93	5.35	5.35
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.35	21.00	1.00	1.00
##000000	5.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B87E6

Deuteranopia (green-blind)

#327AE0

Tritanopia (blue-blind)

#0093A4

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537ce2;
/* rgb */ color: rgb(83, 124, 226);
/* oklch */ color: oklch(60.7% 0.161 265.4);

Tailwind

colors: {
  custom: {
    50: '#90a1ec',
    500: '#537ce2',
    950: '#000000',
  },
}

SCSS

$custom: #537ce2;
$custom-light: #90a1ec;
$custom-dark: #000000;

JSON

{
  "hex": "#537ce2",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 226
  },
  "hsl": {
    "h": 222.797,
    "s": 71.144,
    "l": 60.588
  },
  "oklch": {
    "l": 0.60741,
    "c": 0.16122,
    "h": 265.4
  },
  "luminance": 0.21745
}

Semantic roles & 50–950 ramp

primary

#537CE2

secondary

#E4D4AD

accent

#9C12D3

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CE2

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

Preview Lab → · Contrast checker → · Palette generator →