#538AE5#538AE5

#538AE5 is a light, vivid blue. Relative luminance 0.257; OKLCH L 63.9% C 0.149 H 259.9°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#538AE5
RGB	rgb(83, 138, 229)
HSL	hsl(217, 74%, 61%)
HSV	hsv(217, 64%, 90%)
CMYK	cmyk(63.8%, 39.7%, 0%, 10.2%)
CIE-LAB	lab(57.72, 10.07, -51.58)
CIE-LCH	lch(57.72, 52.56, 281.05°)
OKLab	oklab(63.86% -0.0261 -0.1468)
OKLCH	oklch(63.86% 0.149 259.9)
XYZ	xyz(26.7936, 25.6706, 77.6564)
Luminance	0.2567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AE5 #E5AE53

analogous

#53D3E5 #538AE5 #6553E5

triadic

#538AE5 #E5538A #8AE553

tetradic

#538AE5 #E553D3 #E5AE53 #53E565

square

#538AE5 #E553D3 #E5AE53 #53E565

split-complementary

#538AE5 #E56553 #D3E553

monochromatic

#194EA5 #2167DA #538AE5 #88AEED #BDD2F5

Accessibility & contrast

On white

3.42

#538AE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#538AE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AE5

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AE5	#FFFFFF	#000000	##000000
##538AE5	1.00	3.42	6.13	6.13
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6192E9

Deuteranopia (green-blind)

#4C84E3

Tritanopia (blue-blind)

#009FAC

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538ae5;
/* rgb */ color: rgb(83, 138, 229);
/* oklch */ color: oklch(63.9% 0.149 259.9);

Tailwind

colors: {
  custom: {
    50: '#91abee',
    500: '#538ae5',
    950: '#000000',
  },
}

SCSS

$custom: #538ae5;
$custom-light: #91abee;
$custom-dark: #000000;

JSON

{
  "hex": "#538ae5",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 229
  },
  "hsl": {
    "h": 217.397,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.63855,
    "c": 0.14912,
    "h": 259.9
  },
  "luminance": 0.25673
}

Semantic roles & 50–950 ramp

primary

#538AE5

secondary

#E5D1AE

accent

#8B10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538AE5

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

Preview Lab → · Contrast checker → · Palette generator →