#537FD2#537FD2

#537FD2 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.4% C 0.136 H 262.0°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#537FD2
RGB	rgb(83, 127, 210)
HSL	hsl(219, 59%, 57%)
HSV	hsv(219, 60%, 82%)
CMYK	cmyk(60.5%, 39.5%, 0%, 17.6%)
CIE-LAB	lab(53.67, 10.29, -47.36)
CIE-LCH	lch(53.67, 48.46, 282.26°)
OKLab	oklab(60.39% -0.0189 -0.1346)
OKLCH	oklch(60.39% 0.136 262)
XYZ	xyz(22.7855, 21.6689, 63.9420)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FD2 #D2A653

analogous

#53BED2 #537FD2 #6753D2

triadic

#537FD2 #D2537F #7FD253

tetradic

#537FD2 #D253BE #D2A653 #53D267

square

#537FD2 #D253BE #D2A653 #53D267

split-complementary

#537FD2 #D26753 #BED253

monochromatic

#234687 #305FB8 #537FD2 #84A3DF #B4C7EB

Accessibility & contrast

On white

3.94

#537FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#537FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FD2

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FD2	#FFFFFF	#000000	##000000
##537FD2	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B87D5

Deuteranopia (green-blind)

#497BD0

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #537fd2;
/* rgb */ color: rgb(83, 127, 210);
/* oklch */ color: oklch(60.4% 0.136 262.0);

Tailwind

colors: {
  custom: {
    50: '#8ea3e0',
    500: '#537fd2',
    950: '#000000',
  },
}

SCSS

$custom: #537fd2;
$custom-light: #8ea3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#537fd2",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 210
  },
  "hsl": {
    "h": 219.213,
    "s": 58.525,
    "l": 57.451
  },
  "oklch": {
    "l": 0.60389,
    "c": 0.1359,
    "h": 262
  },
  "luminance": 0.21671
}

Semantic roles & 50–950 ramp

primary

#537FD2

secondary

#DAC8A7

accent

#AC46E2

background

#F9FAFD

surface

#F1F3FB

border

#CBCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #537FD2

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

Preview Lab → · Contrast checker → · Palette generator →