#537BED#537BED

#537BED is a mid, vivid blue. Relative luminance 0.221; OKLCH L 61.3% C 0.177 H 266.6°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#537BED
RGB	rgb(83, 123, 237)
HSL	hsl(224, 81%, 63%)
HSV	hsv(224, 65%, 93%)
CMYK	cmyk(65%, 48.1%, 0%, 7.1%)
CIE-LAB	lab(54.15, 21.91, -61.75)
CIE-LCH	lch(54.15, 65.53, 289.54°)
OKLab	oklab(61.26% -0.0104 -0.1769)
OKLCH	oklch(61.26% 0.177 266.6)
XYZ	xyz(25.9310, 22.1169, 83.0068)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BED #EDC553

analogous

#53C8ED #537BED #7853ED

triadic

#537BED #ED537B #7BED53

tetradic

#537BED #ED53C8 #EDC553 #53ED78

square

#537BED #ED53C8 #EDC553 #53ED78

split-complementary

#537BED #ED7853 #C8ED53

monochromatic

#133CB3 #1C50E7 #537BED #8AA6F3 #C2D0F9

Accessibility & contrast

On white

3.87

#537BED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#537BED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BED

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BED	#FFFFFF	#000000	##000000
##537BED	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E89F1

Deuteranopia (green-blind)

#187BEB

Tritanopia (blue-blind)

#0095A9

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537bed;
/* rgb */ color: rgb(83, 123, 237);
/* oklch */ color: oklch(61.3% 0.177 266.6);

Tailwind

colors: {
  custom: {
    50: '#92a0f3',
    500: '#537bed',
    950: '#000000',
  },
}

SCSS

$custom: #537bed;
$custom-light: #92a0f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537bed",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 237
  },
  "hsl": {
    "h": 224.416,
    "s": 81.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61258,
    "c": 0.17723,
    "h": 266.6
  },
  "luminance": 0.22119
}

Semantic roles & 50–950 ramp

primary

#537BED

secondary

#EADBB2

accent

#A608DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537BED

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

Preview Lab → · Contrast checker → · Palette generator →