#537CED#537CED

#537CED is a mid, vivid blue. Relative luminance 0.224; OKLCH L 61.5% C 0.176 H 266.3°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#537CED
RGB	rgb(83, 124, 237)
HSL	hsl(224, 81%, 63%)
HSV	hsv(224, 65%, 93%)
CMYK	cmyk(65%, 47.7%, 0%, 7.1%)
CIE-LAB	lab(54.41, 21.30, -61.33)
CIE-LCH	lch(54.41, 64.93, 289.15°)
OKLab	oklab(61.46% -0.0113 -0.1757)
OKLCH	oklch(61.46% 0.176 266.3)
XYZ	xyz(26.0557, 22.3663, 83.0483)
Luminance	0.2237 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537CED #EDC453

analogous

#53C9ED #537CED #7753ED

triadic

#537CED #ED537C #7CED53

tetradic

#537CED #ED53C9 #EDC453 #53ED77

square

#537CED #ED53C9 #EDC453 #53ED77

split-complementary

#537CED #ED7753 #C9ED53

monochromatic

#133DB3 #1C52E7 #537CED #8AA6F3 #C2D0F9

Accessibility & contrast

On white

3.84

#537CED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#537CED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537CED

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537CED	#FFFFFF	#000000	##000000
##537CED	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#408AF1

Deuteranopia (green-blind)

#1D7CEB

Tritanopia (blue-blind)

#0096A9

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #537ced;
/* rgb */ color: rgb(83, 124, 237);
/* oklch */ color: oklch(61.5% 0.176 266.3);

Tailwind

colors: {
  custom: {
    50: '#92a1f3',
    500: '#537ced',
    950: '#000000',
  },
}

SCSS

$custom: #537ced;
$custom-light: #92a1f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537ced",
  "rgb": {
    "r": 83,
    "g": 124,
    "b": 237
  },
  "hsl": {
    "h": 224.026,
    "s": 81.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61458,
    "c": 0.17603,
    "h": 266.3
  },
  "luminance": 0.22369
}

Semantic roles & 50–950 ramp

primary

#537CED

secondary

#EADBB2

accent

#A508DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537CED

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

Preview Lab → · Contrast checker → · Palette generator →