#538DF5#538DF5

#538DF5 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.4% C 0.167 H 261.1°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#538DF5
RGB	rgb(83, 141, 245)
HSL	hsl(219, 89%, 64%)
HSV	hsv(219, 66%, 96%)
CMYK	cmyk(66.1%, 42.4%, 0%, 3.9%)
CIE-LAB	lab(59.41, 13.73, -57.75)
CIE-LCH	lch(59.41, 59.36, 283.37°)
OKLab	oklab(65.45% -0.0258 -0.1649)
OKLCH	oklch(65.45% 0.167 261.1)
XYZ	xyz(29.5677, 27.4784, 90.1141)
Luminance	0.2748 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DF5 #F5BB53

analogous

#53DEF5 #538DF5 #6A53F5

triadic

#538DF5 #F5538D #8DF553

tetradic

#538DF5 #F553DE #F5BB53 #53F56A

square

#538DF5 #F553DE #F5BB53 #53F56A

split-complementary

#538DF5 #F56A53 #DEF553

monochromatic

#0B4DC2 #1967F2 #538DF5 #8DB3F8 #C7DAFC

Accessibility & contrast

On white

3.23

#538DF5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#538DF5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DF5

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DF5	#FFFFFF	#000000	##000000
##538DF5	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C97F9

Deuteranopia (green-blind)

#4188F3

Tritanopia (blue-blind)

#00A5B5

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #538df5;
/* rgb */ color: rgb(83, 141, 245);
/* oklch */ color: oklch(65.4% 0.167 261.1);

Tailwind

colors: {
  custom: {
    50: '#93adf9',
    500: '#538df5',
    950: '#000000',
  },
}

SCSS

$custom: #538df5;
$custom-light: #93adf9;
$custom-dark: #000000;

JSON

{
  "hex": "#538df5",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 245
  },
  "hsl": {
    "h": 218.519,
    "s": 89.011,
    "l": 64.314
  },
  "oklch": {
    "l": 0.65447,
    "c": 0.1669,
    "h": 261.1
  },
  "luminance": 0.27481
}

Semantic roles & 50–950 ramp

primary

#538DF5

secondary

#EEDAB6

accent

#9300E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538DF5

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

Preview Lab → · Contrast checker → · Palette generator →