#537FD4#537FD4

#537FD4 is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.5% C 0.139 H 262.4°. Best body text is #000000 at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#537FD4
RGB	rgb(83, 127, 212)
HSL	hsl(220, 60%, 58%)
HSV	hsv(220, 61%, 83%)
CMYK	cmyk(60.8%, 40.1%, 0%, 16.9%)
CIE-LAB	lab(53.78, 10.96, -48.32)
CIE-LCH	lch(53.78, 49.54, 282.78°)
OKLab	oklab(60.51% -0.0184 -0.1374)
OKLCH	oklch(60.51% 0.139 262.4)
XYZ	xyz(23.0362, 21.7692, 65.2625)
Luminance	0.2177 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537FD4 #D4A853

analogous

#53BFD4 #537FD4 #6753D4

triadic

#537FD4 #D4537F #7FD453

tetradic

#537FD4 #D453BF #D4A853 #53D467

square

#537FD4 #D453BF #D4A853 #53D467

split-complementary

#537FD4 #D46753 #BFD453

monochromatic

#23468A #2F5FBB #537FD4 #84A3E0 #B5C8EC

Accessibility & contrast

On white

3.92

#537FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.35

#537FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537FD4

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537FD4	#FFFFFF	#000000	##000000
##537FD4	1.00	3.92	5.35	5.35
#FFFFFF	3.92	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)

#5A87D7

Deuteranopia (green-blind)

#487BD2

Tritanopia (blue-blind)

#00929F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537fd4;
/* rgb */ color: rgb(83, 127, 212);
/* oklch */ color: oklch(60.5% 0.139 262.4);

Tailwind

colors: {
  custom: {
    50: '#8ea3e1',
    500: '#537fd4',
    950: '#000000',
  },
}

SCSS

$custom: #537fd4;
$custom-light: #8ea3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#537fd4",
  "rgb": {
    "r": 83,
    "g": 127,
    "b": 212
  },
  "hsl": {
    "h": 219.535,
    "s": 60,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60507,
    "c": 0.13863,
    "h": 262.4
  },
  "luminance": 0.21771
}

Semantic roles & 50–950 ramp

primary

#537FD4

secondary

#DBCAA8

accent

#AD45E3

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #537FD4

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

Preview Lab → · Contrast checker → · Palette generator →