#538DEC#538DEC

#538DEC is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.155 H 259.8°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#538DEC
RGB	rgb(83, 141, 236)
HSL	hsl(217, 80%, 63%)
HSV	hsv(217, 65%, 93%)
CMYK	cmyk(64.8%, 40.3%, 0%, 7.5%)
CIE-LAB	lab(58.92, 10.66, -53.56)
CIE-LCH	lch(58.92, 54.61, 281.25°)
OKLab	oklab(64.91% -0.0275 -0.1526)
OKLCH	oklch(64.91% 0.155 259.8)
XYZ	xyz(28.2271, 26.9421, 83.0534)
Luminance	0.2695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DEC #ECB253

analogous

#53D9EC #538DEC #6553EC

triadic

#538DEC #EC538D #8DEC53

tetradic

#538DEC #EC53D9 #ECB253 #53EC65

square

#538DEC #EC53D9 #ECB253 #53EC65

split-complementary

#538DEC #EC6553 #D9EC53

monochromatic

#144FB1 #1C68E6 #538DEC #8AB2F2 #C1D6F8

Accessibility & contrast

On white

3.29

#538DEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#538DEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DEC

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DEC	#FFFFFF	#000000	##000000
##538DEC	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6295F0

Deuteranopia (green-blind)

#4B87EA

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #538dec;
/* rgb */ color: rgb(83, 141, 236);
/* oklch */ color: oklch(64.9% 0.155 259.8);

Tailwind

colors: {
  custom: {
    50: '#92adf2',
    500: '#538dec',
    950: '#000000',
  },
}

SCSS

$custom: #538dec;
$custom-light: #92adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#538dec",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 236
  },
  "hsl": {
    "h": 217.255,
    "s": 80.105,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64905,
    "c": 0.15508,
    "h": 259.8
  },
  "luminance": 0.26945
}

Semantic roles & 50–950 ramp

primary

#538DEC

secondary

#E9D4B2

accent

#8C09DC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538DEC

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

Preview Lab → · Contrast checker → · Palette generator →