#537BEB#537BEB

#537BEB is a mid, vivid blue. Relative luminance 0.220; OKLCH L 61.1% C 0.175 H 266.5°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#537BEB
RGB	rgb(83, 123, 235)
HSL	hsl(224, 79%, 62%)
HSV	hsv(224, 65%, 92%)
CMYK	cmyk(64.7%, 47.7%, 0%, 7.8%)
CIE-LAB	lab(54.03, 21.23, -60.84)
CIE-LCH	lch(54.03, 64.43, 289.24°)
OKLab	oklab(61.12% -0.0107 -0.1742)
OKLCH	oklch(61.12% 0.175 266.5)
XYZ	xyz(25.6405, 22.0007, 81.4765)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537BEB #EBC353

analogous

#53C7EB #537BEB #7753EB

triadic

#537BEB #EB537B #7BEB53

tetradic

#537BEB #EB53C7 #EBC353 #53EB77

square

#537BEB #EB53C7 #EBC353 #53EB77

split-complementary

#537BEB #EB7753 #C7EB53

monochromatic

#143DAF #1C51E5 #537BEB #8AA5F1 #C1CFF8

Accessibility & contrast

On white

3.89

#537BEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#537BEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537BEB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537BEB	#FFFFFF	#000000	##000000
##537BEB	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4088EF

Deuteranopia (green-blind)

#1E7BE9

Tritanopia (blue-blind)

#0095A8

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #537beb;
/* rgb */ color: rgb(83, 123, 235);
/* oklch */ color: oklch(61.1% 0.175 266.5);

Tailwind

colors: {
  custom: {
    50: '#92a0f2',
    500: '#537beb',
    950: '#000000',
  },
}

SCSS

$custom: #537beb;
$custom-light: #92a0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#537beb",
  "rgb": {
    "r": 83,
    "g": 123,
    "b": 235
  },
  "hsl": {
    "h": 224.211,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.61124,
    "c": 0.17455,
    "h": 266.5
  },
  "luminance": 0.22003
}

Semantic roles & 50–950 ramp

primary

#537BEB

secondary

#E9DAB1

accent

#A40ADB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #537BEB

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

Preview Lab → · Contrast checker → · Palette generator →