#538AEE#538AEE

#538AEE is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.4% C 0.161 H 261.3°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#538AEE
RGB	rgb(83, 138, 238)
HSL	hsl(219, 82%, 63%)
HSV	hsv(219, 65%, 93%)
CMYK	cmyk(65.1%, 42%, 0%, 6.7%)
CIE-LAB	lab(58.21, 13.13, -55.80)
CIE-LCH	lch(58.21, 57.33, 283.25°)
OKLab	oklab(64.39% -0.0243 -0.1592)
OKLCH	oklch(64.39% 0.161 261.3)
XYZ	xyz(28.0829, 26.1863, 84.4468)
Luminance	0.2619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538AEE #EEB753

analogous

#53D7EE #538AEE #6953EE

triadic

#538AEE #EE538A #8AEE53

tetradic

#538AEE #EE53D7 #EEB753 #53EE69

square

#538AEE #EE53D7 #EEB753 #53EE69

split-complementary

#538AEE #EE6953 #D7EE53

monochromatic

#124CB5 #1B64E8 #538AEE #8BB0F4 #C2D6F9

Accessibility & contrast

On white

3.37

#538AEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#538AEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538AEE

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538AEE	#FFFFFF	#000000	##000000
##538AEE	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B94F2

Deuteranopia (green-blind)

#4385EC

Tritanopia (blue-blind)

#00A1B0

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538aee;
/* rgb */ color: rgb(83, 138, 238);
/* oklch */ color: oklch(64.4% 0.161 261.3);

Tailwind

colors: {
  custom: {
    50: '#92abf4',
    500: '#538aee',
    950: '#000000',
  },
}

SCSS

$custom: #538aee;
$custom-light: #92abf4;
$custom-dark: #000000;

JSON

{
  "hex": "#538aee",
  "rgb": {
    "r": 83,
    "g": 138,
    "b": 238
  },
  "hsl": {
    "h": 218.71,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.64393,
    "c": 0.16105,
    "h": 261.3
  },
  "luminance": 0.26189
}

Semantic roles & 50–950 ramp

primary

#538AEE

secondary

#EAD6B2

accent

#9207DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538AEE

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

Preview Lab → · Contrast checker → · Palette generator →