#538CE8#538CE8

#538CE8 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.5% C 0.151 H 259.5°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#538CE8
RGB	rgb(83, 140, 232)
HSL	hsl(217, 76%, 62%)
HSV	hsv(217, 64%, 91%)
CMYK	cmyk(64.2%, 39.7%, 0%, 9%)
CIE-LAB	lab(58.43, 9.89, -52.12)
CIE-LCH	lch(58.43, 53.05, 280.75°)
OKLab	oklab(64.46% -0.0274 -0.1484)
OKLCH	oklch(64.46% 0.151 259.5)
XYZ	xyz(27.5057, 26.4187, 79.9781)
Luminance	0.2642 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CE8 #E8AF53

analogous

#53D7E8 #538CE8 #6553E8

triadic

#538CE8 #E8538C #8CE853

tetradic

#538CE8 #E853D7 #E8AF53 #53E865

square

#538CE8 #E853D7 #E8AF53 #53E865

split-complementary

#538CE8 #E86553 #D7E853

monochromatic

#174FAA #1E68E0 #538CE8 #89B0EF #BFD4F6

Accessibility & contrast

On white

3.34

#538CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#538CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CE8

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CE8	#FFFFFF	#000000	##000000
##538CE8	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6394EC

Deuteranopia (green-blind)

#4D86E6

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538ce8;
/* rgb */ color: rgb(83, 140, 232);
/* oklch */ color: oklch(64.5% 0.151 259.5);

Tailwind

colors: {
  custom: {
    50: '#91adf0',
    500: '#538ce8',
    950: '#000000',
  },
}

SCSS

$custom: #538ce8;
$custom-light: #91adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#538ce8",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 232
  },
  "hsl": {
    "h": 217.047,
    "s": 76.41,
    "l": 61.765
  },
  "oklch": {
    "l": 0.64457,
    "c": 0.1509,
    "h": 259.5
  },
  "luminance": 0.26421
}

Semantic roles & 50–950 ramp

primary

#538CE8

secondary

#E7D2B0

accent

#8B0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538CE8

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

Preview Lab → · Contrast checker → · Palette generator →