#537CDC#537CDC

#537CDC is a mid, vivid blue. Relative luminance 0.214; OKLCH L 60.4% C 0.153 H 264.8°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#537CDC
RGB	rgb(83, 124, 220)
HSL	hsl(222, 66%, 59%)
HSV	hsv(222, 62%, 86%)
CMYK	cmyk(62.3%, 43.6%, 0%, 13.7%)
CIE-LAB	lab(53.41, 15.50, -53.43)
CIE-LCH	lch(53.41, 55.63, 286.17°)
OKLab	oklab(60.36% -0.0139 -0.1524)
OKLCH	oklch(60.36% 0.153 264.8)
XYZ	xyz(23.6887, 21.4195, 70.5823)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CDC #DCB353

analogous

#53C1DC #537CDC #6F53DC

triadic

#537CDC #DC537C #7CDC53

tetradic

#537CDC #DC53C1 #DCB353 #53DC6F

square

#537CDC #DC53C1 #DCB353 #53DC6F

split-complementary

#537CDC #DC6F53 #C1DC53

monochromatic

#1F4296 #2959C9 #537CDC #86A3E6 #B9C9F1

Accessibility & contrast

On white

3.97

#537CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#537CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CDC

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CDC	#FFFFFF	#000000	##000000
##537CDC	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F86E0

Deuteranopia (green-blind)

#3A7ADA

Tritanopia (blue-blind)

#0092A1

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537cdc;
/* rgb */ color: rgb(83, 124, 220);
/* oklch */ color: oklch(60.4% 0.153 264.8);

Tailwind

colors: {
  custom: {
    50: '#8fa1e7',
    500: '#537cdc',
    950: '#000000',
  },
}

SCSS

$custom: #537cdc;
$custom-light: #8fa1e7;
$custom-dark: #000000;

JSON

{
  "hex": "#537cdc",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 220
  },
  "hsl": {
    "h": 222.044,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60361,
    "c": 0.15306,
    "h": 264.8
  },
  "luminance": 0.21422
}

Semantic roles & 50–950 ramp

primary

#537CDC

secondary

#E0D0AB

accent

#B63FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537CDC

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

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