#538DE5#538DE5

#538DE5 is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.146 H 258.5°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#538DE5
RGB	rgb(83, 141, 229)
HSL	hsl(216, 74%, 61%)
HSV	hsv(216, 64%, 90%)
CMYK	cmyk(63.8%, 38.4%, 0%, 10.2%)
CIE-LAB	lab(58.55, 8.28, -50.27)
CIE-LCH	lch(58.55, 50.95, 279.36°)
OKLab	oklab(64.5% -0.029 -0.1429)
OKLCH	oklch(64.5% 0.146 258.5)
XYZ	xyz(27.2300, 26.5433, 77.8019)
Luminance	0.2655 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DE5 #E5AB53

analogous

#53D6E5 #538DE5 #6253E5

triadic

#538DE5 #E5538D #8DE553

tetradic

#538DE5 #E553D6 #E5AB53 #53E562

square

#538DE5 #E553D6 #E5AB53 #53E562

split-complementary

#538DE5 #E56253 #D6E553

monochromatic

#1950A5 #216ADA #538DE5 #88B0ED #BDD3F5

Accessibility & contrast

On white

3.33

#538DE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#538DE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DE5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DE5	#FFFFFF	#000000	##000000
##538DE5	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6694E9

Deuteranopia (green-blind)

#5187E3

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538de5;
/* rgb */ color: rgb(83, 141, 229);
/* oklch */ color: oklch(64.5% 0.146 258.5);

Tailwind

colors: {
  custom: {
    50: '#90aded',
    500: '#538de5',
    950: '#000000',
  },
}

SCSS

$custom: #538de5;
$custom-light: #90aded;
$custom-dark: #000000;

JSON

{
  "hex": "#538de5",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 229
  },
  "hsl": {
    "h": 216.164,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64496,
    "c": 0.14587,
    "h": 258.5
  },
  "luminance": 0.26546
}

Semantic roles & 50–950 ramp

primary

#538DE5

secondary

#E5D0AE

accent

#8710D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538DE5

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

Preview Lab → · Contrast checker → · Palette generator →