#537EDC#537EDC

#537EDC is a mid, vivid blue. Relative luminance 0.219; OKLCH L 60.8% C 0.151 H 264.0°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#537EDC
RGB	rgb(83, 126, 220)
HSL	hsl(221, 66%, 59%)
HSV	hsv(221, 62%, 86%)
CMYK	cmyk(62.3%, 42.7%, 0%, 13.7%)
CIE-LAB	lab(53.95, 14.27, -52.56)
CIE-LCH	lch(53.95, 54.46, 285.19°)
OKLab	oklab(60.78% -0.0159 -0.1499)
OKLCH	oklch(60.78% 0.151 264)
XYZ	xyz(23.9419, 21.9259, 70.6667)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EDC #DCB153

analogous

#53C3DC #537EDC #6D53DC

triadic

#537EDC #DC537E #7EDC53

tetradic

#537EDC #DC53C3 #DCB153 #53DC6D

square

#537EDC #DC53C3 #DCB153 #53DC6D

split-complementary

#537EDC #DC6D53 #C3DC53

monochromatic

#1F4496 #295BC9 #537EDC #86A4E6 #B9CAF1

Accessibility & contrast

On white

3.90

#537EDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#537EDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EDC

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EDC	#FFFFFF	#000000	##000000
##537EDC	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5388E0

Deuteranopia (green-blind)

#3E7BDA

Tritanopia (blue-blind)

#0093A2

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537edc;
/* rgb */ color: rgb(83, 126, 220);
/* oklch */ color: oklch(60.8% 0.151 264.0);

Tailwind

colors: {
  custom: {
    50: '#8fa2e7',
    500: '#537edc',
    950: '#000000',
  },
}

SCSS

$custom: #537edc;
$custom-light: #8fa2e7;
$custom-dark: #000000;

JSON

{
  "hex": "#537edc",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 220
  },
  "hsl": {
    "h": 221.168,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60779,
    "c": 0.1507,
    "h": 264
  },
  "luminance": 0.21928
}

Semantic roles & 50–950 ramp

primary

#537EDC

secondary

#E0CFAB

accent

#B43FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537EDC

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

Preview Lab → · Contrast checker → · Palette generator →