#537BDC#537BDC

#537BDC is a mid, vivid blue. Relative luminance 0.212; OKLCH L 60.2% C 0.154 H 265.2°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#537BDC
RGB	rgb(83, 123, 220)
HSL	hsl(222, 66%, 59%)
HSV	hsv(222, 62%, 86%)
CMYK	cmyk(62.3%, 44.1%, 0%, 13.7%)
CIE-LAB	lab(53.14, 16.11, -53.86)
CIE-LCH	lch(53.14, 56.22, 286.65°)
OKLab	oklab(60.15% -0.0129 -0.1537)
OKLCH	oklch(60.15% 0.154 265.2)
XYZ	xyz(23.5640, 21.1701, 70.5407)
Luminance	0.2117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BDC #DCB453

analogous

#53C0DC #537BDC #7053DC

triadic

#537BDC #DC537B #7BDC53

tetradic

#537BDC #DC53C0 #DCB453 #53DC70

square

#537BDC #DC53C0 #DCB453 #53DC70

split-complementary

#537BDC #DC7053 #C0DC53

monochromatic

#1F4196 #2958C9 #537BDC #86A2E6 #B9C9F1

Accessibility & contrast

On white

4.01

#537BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#537BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BDC

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BDC	#FFFFFF	#000000	##000000
##537BDC	1.00	4.01	5.23	5.23
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D86E0

Deuteranopia (green-blind)

#3879DA

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537bdc;
/* rgb */ color: rgb(83, 123, 220);
/* oklch */ color: oklch(60.2% 0.154 265.2);

Tailwind

colors: {
  custom: {
    50: '#8fa0e7',
    500: '#537bdc',
    950: '#000000',
  },
}

SCSS

$custom: #537bdc;
$custom-light: #8fa0e7;
$custom-dark: #000000;

JSON

{
  "hex": "#537bdc",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 220
  },
  "hsl": {
    "h": 222.482,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.60154,
    "c": 0.15425,
    "h": 265.2
  },
  "luminance": 0.21172
}

Semantic roles & 50–950 ramp

primary

#537BDC

secondary

#E0D1AB

accent

#B73FE9

background

#F9F9FE

surface

#F2F2FC

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #537BDC

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

Preview Lab → · Contrast checker → · Palette generator →