#538CF4#538CF4

#538CF4 is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.2% C 0.167 H 261.4°. Best body text is #000000 at 6.43:1 contrast (WCAG AA passes).

Color values

HEX	#538CF4
RGB	rgb(83, 140, 244)
HSL	hsl(219, 88%, 64%)
HSV	hsv(219, 66%, 96%)
CMYK	cmyk(66%, 42.6%, 0%, 4.3%)
CIE-LAB	lab(59.09, 13.98, -57.72)
CIE-LCH	lch(59.09, 59.39, 283.62°)
OKLab	oklab(65.18% -0.025 -0.1648)
OKLCH	oklch(65.18% 0.167 261.4)
XYZ	xyz(29.2687, 27.1239, 89.2634)
Luminance	0.2713 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CF4 #F4BB53

analogous

#53DCF4 #538CF4 #6B53F4

triadic

#538CF4 #F4538C #8CF453

tetradic

#538CF4 #F453DC #F4BB53 #53F46B

square

#538CF4 #F453DC #F4BB53 #53F46B

split-complementary

#538CF4 #F46B53 #DCF453

monochromatic

#0C4CC0 #1966F0 #538CF4 #8DB2F8 #C6D9FB

Accessibility & contrast

On white

3.27

#538CF4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.43

#538CF4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CF4

6.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CF4	#FFFFFF	#000000	##000000
##538CF4	1.00	3.27	6.43	6.43
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.43	21.00	1.00	1.00
##000000	6.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B96F8

Deuteranopia (green-blind)

#4087F2

Tritanopia (blue-blind)

#00A4B4

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #538cf4;
/* rgb */ color: rgb(83, 140, 244);
/* oklch */ color: oklch(65.2% 0.167 261.4);

Tailwind

colors: {
  custom: {
    50: '#93adf8',
    500: '#538cf4',
    950: '#000000',
  },
}

SCSS

$custom: #538cf4;
$custom-light: #93adf8;
$custom-dark: #000000;

JSON

{
  "hex": "#538cf4",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 244
  },
  "hsl": {
    "h": 218.758,
    "s": 87.978,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65177,
    "c": 0.16671,
    "h": 261.4
  },
  "luminance": 0.27127
}

Semantic roles & 50–950 ramp

primary

#538CF4

secondary

#EDDAB5

accent

#9401E5

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538CF4

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

Preview Lab → · Contrast checker → · Palette generator →