#537DD4#537DD4

#537DD4 is a mid, vivid blue. Relative luminance 0.213; OKLCH L 60.1% C 0.141 H 263.3°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#537DD4
RGB	rgb(83, 125, 212)
HSL	hsl(220, 60%, 58%)
HSV	hsv(220, 61%, 83%)
CMYK	cmyk(60.8%, 41%, 0%, 16.9%)
CIE-LAB	lab(53.23, 12.18, -49.19)
CIE-LCH	lch(53.23, 50.68, 283.90°)
OKLab	oklab(60.08% -0.0164 -0.14)
OKLCH	oklch(60.08% 0.141 263.3)
XYZ	xyz(22.7804, 21.2577, 65.1772)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DD4 #D4AA53

analogous

#53BED4 #537DD4 #6953D4

triadic

#537DD4 #D4537D #7DD453

tetradic

#537DD4 #D453BE #D4AA53 #53D469

square

#537DD4 #D453BE #D4AA53 #53D469

split-complementary

#537DD4 #D46953 #BED453

monochromatic

#23448A #2F5CBB #537DD4 #84A2E0 #B5C7EC

Accessibility & contrast

On white

4.00

#537DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#537DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DD4

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DD4	#FFFFFF	#000000	##000000
##537DD4	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5686D7

Deuteranopia (green-blind)

#447AD2

Tritanopia (blue-blind)

#00919E

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #537dd4;
/* rgb */ color: rgb(83, 125, 212);
/* oklch */ color: oklch(60.1% 0.141 263.3);

Tailwind

colors: {
  custom: {
    50: '#8ea2e2',
    500: '#537dd4',
    950: '#000000',
  },
}

SCSS

$custom: #537dd4;
$custom-light: #8ea2e2;
$custom-dark: #000000;

JSON

{
  "hex": "#537dd4",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 212
  },
  "hsl": {
    "h": 220.465,
    "s": 60,
    "l": 57.843
  },
  "oklch": {
    "l": 0.60081,
    "c": 0.14094,
    "h": 263.3
  },
  "luminance": 0.2126
}

Semantic roles & 50–950 ramp

primary

#537DD4

secondary

#DBCAA8

accent

#B045E3

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0F15

muted

#7E7E83

Preview Lab

Preview with #537DD4

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

Preview Lab → · Contrast checker → · Palette generator →