#537EED#537EED

#537EED is a mid, vivid blue. Relative luminance 0.229; OKLCH L 61.9% C 0.174 H 265.7°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#537EED
RGB	rgb(83, 126, 237)
HSL	hsl(223, 81%, 63%)
HSV	hsv(223, 65%, 93%)
CMYK	cmyk(65%, 46.8%, 0%, 7.1%)
CIE-LAB	lab(54.94, 20.08, -60.48)
CIE-LCH	lch(54.94, 63.73, 288.36°)
OKLab	oklab(61.86% -0.0132 -0.1731)
OKLCH	oklch(61.86% 0.174 265.7)
XYZ	xyz(26.3089, 22.8726, 83.1327)
Luminance	0.2288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#537EED #EDC253

analogous

#53CBED #537EED #7553ED

triadic

#537EED #ED537E #7EED53

tetradic

#537EED #ED53CB #EDC253 #53ED75

square

#537EED #ED53CB #EDC253 #53ED75

split-complementary

#537EED #ED7553 #CBED53

monochromatic

#133FB3 #1C54E7 #537EED #8AA8F3 #C2D1F9

Accessibility & contrast

On white

3.77

#537EED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#537EED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #537EED

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##537EED	#FFFFFF	#000000	##000000
##537EED	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#458BF1

Deuteranopia (green-blind)

#257DEB

Tritanopia (blue-blind)

#0098AA

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #537eed;
/* rgb */ color: rgb(83, 126, 237);
/* oklch */ color: oklch(61.9% 0.174 265.7);

Tailwind

colors: {
  custom: {
    50: '#92a2f3',
    500: '#537eed',
    950: '#000000',
  },
}

SCSS

$custom: #537eed;
$custom-light: #92a2f3;
$custom-dark: #000000;

JSON

{
  "hex": "#537eed",
  "rgb": {
    "r": 83,
    "g": 126,
    "b": 237
  },
  "hsl": {
    "h": 223.247,
    "s": 81.053,
    "l": 62.745
  },
  "oklch": {
    "l": 0.61861,
    "c": 0.17365,
    "h": 265.7
  },
  "luminance": 0.22875
}

Semantic roles & 50–950 ramp

primary

#537EED

secondary

#EADAB2

accent

#A208DD

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0F17

muted

#7E7E85

Preview Lab

Preview with #537EED

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

Preview Lab → · Contrast checker → · Palette generator →