#538BF2#538BF2

#538BF2 is a light, vivid blue. Relative luminance 0.267; OKLCH L 64.8% C 0.165 H 261.5°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#538BF2
RGB	rgb(83, 139, 242)
HSL	hsl(219, 86%, 64%)
HSV	hsv(219, 66%, 95%)
CMYK	cmyk(65.7%, 42.6%, 0%, 5.1%)
CIE-LAB	lab(58.71, 13.90, -57.23)
CIE-LCH	lch(58.71, 58.89, 283.65°)
OKLab	oklab(64.85% -0.0245 -0.1634)
OKLCH	oklch(64.85% 0.165 261.5)
XYZ	xyz(28.8212, 26.7122, 87.6243)
Luminance	0.2671 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BF2 #F2BA53

analogous

#53DAF2 #538BF2 #6A53F2

triadic

#538BF2 #F2538B #8BF253

tetradic

#538BF2 #F253DA #F2BA53 #53F26A

square

#538BF2 #F253DA #F2BA53 #53F26A

split-complementary

#538BF2 #F26A53 #DAF253

monochromatic

#0E4CBC #1A65EE #538BF2 #8CB1F6 #C5D8FB

Accessibility & contrast

On white

3.31

#538BF2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#538BF2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BF2

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BF2	#FFFFFF	#000000	##000000
##538BF2	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A95F6

Deuteranopia (green-blind)

#4086F0

Tritanopia (blue-blind)

#00A3B3

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538bf2;
/* rgb */ color: rgb(83, 139, 242);
/* oklch */ color: oklch(64.8% 0.165 261.5);

Tailwind

colors: {
  custom: {
    50: '#93acf7',
    500: '#538bf2',
    950: '#000000',
  },
}

SCSS

$custom: #538bf2;
$custom-light: #93acf7;
$custom-dark: #000000;

JSON

{
  "hex": "#538bf2",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 242
  },
  "hsl": {
    "h": 218.868,
    "s": 85.946,
    "l": 63.725
  },
  "oklch": {
    "l": 0.64846,
    "c": 0.1652,
    "h": 261.5
  },
  "luminance": 0.26715
}

Semantic roles & 50–950 ramp

primary

#538BF2

secondary

#ECD9B4

accent

#9403E2

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538BF2

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

Preview Lab → · Contrast checker → · Palette generator →