#537DDE#537DDE

#537DDE is a mid, vivid blue. Relative luminance 0.218; OKLCH L 60.7% C 0.155 H 264.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#537DDE
RGB	rgb(83, 125, 222)
HSL	hsl(222, 68%, 60%)
HSV	hsv(222, 63%, 87%)
CMYK	cmyk(62.6%, 43.7%, 0%, 12.9%)
CIE-LAB	lab(53.79, 15.56, -53.94)
CIE-LCH	lch(53.79, 56.14, 286.10°)
OKLab	oklab(60.69% -0.0145 -0.1539)
OKLCH	oklch(60.69% 0.155 264.6)
XYZ	xyz(24.0811, 21.7780, 72.0276)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537DDE #DEB453

analogous

#53C2DE #537DDE #6F53DE

triadic

#537DDE #DE537D #7DDE53

tetradic

#537DDE #DE53C2 #DEB453 #53DE6F

square

#537DDE #DE53C2 #DEB453 #53DE6F

split-complementary

#537DDE #DE6F53 #C2DE53

monochromatic

#1D4399 #2759CD #537DDE #86A4E8 #BACBF2

Accessibility & contrast

On white

3.92

#537DDE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#537DDE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537DDE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537DDE	#FFFFFF	#000000	##000000
##537DDE	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5087E2

Deuteranopia (green-blind)

#3A7BDC

Tritanopia (blue-blind)

#0093A3

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537dde;
/* rgb */ color: rgb(83, 125, 222);
/* oklch */ color: oklch(60.7% 0.155 264.6);

Tailwind

colors: {
  custom: {
    50: '#90a2e9',
    500: '#537dde',
    950: '#000000',
  },
}

SCSS

$custom: #537dde;
$custom-light: #90a2e9;
$custom-dark: #000000;

JSON

{
  "hex": "#537dde",
  "rgb": {
    "r": 83,
    "g": 125,
    "b": 222
  },
  "hsl": {
    "h": 221.871,
    "s": 67.805,
    "l": 59.804
  },
  "oklch": {
    "l": 0.60694,
    "c": 0.15459,
    "h": 264.6
  },
  "luminance": 0.2178
}

Semantic roles & 50–950 ramp

primary

#537DDE

secondary

#E1D1AC

accent

#B63DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F16

muted

#7E7E84

Preview Lab

Preview with #537DDE

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

Preview Lab → · Contrast checker → · Palette generator →