#538EEE#538EEE

#538EEE is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.157 H 259.7°. Best body text is #000000 at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#538EEE
RGB	rgb(83, 142, 238)
HSL	hsl(217, 82%, 63%)
HSV	hsv(217, 65%, 93%)
CMYK	cmyk(65.1%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(59.30, 10.74, -54.07)
CIE-LCH	lch(59.30, 55.12, 281.23°)
OKLab	oklab(65.24% -0.0281 -0.1541)
OKLCH	oklch(65.24% 0.157 259.7)
XYZ	xyz(28.6674, 27.3552, 84.6417)
Luminance	0.2736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EEE #EEB353

analogous

#53DCEE #538EEE #6553EE

triadic

#538EEE #EE538E #8EEE53

tetradic

#538EEE #EE53DC #EEB353 #53EE65

square

#538EEE #EE53DC #EEB353 #53EE65

split-complementary

#538EEE #EE6553 #DCEE53

monochromatic

#1250B5 #1B69E8 #538EEE #8BB3F4 #C2D7F9

Accessibility & contrast

On white

3.24

#538EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.47

#538EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EEE

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EEE	#FFFFFF	#000000	##000000
##538EEE	1.00	3.24	6.47	6.47
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.47	21.00	1.00	1.00
##000000	6.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6297F2

Deuteranopia (green-blind)

#4B88EC

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #538eee;
/* rgb */ color: rgb(83, 142, 238);
/* oklch */ color: oklch(65.2% 0.157 259.7);

Tailwind

colors: {
  custom: {
    50: '#92aef4',
    500: '#538eee',
    950: '#000000',
  },
}

SCSS

$custom: #538eee;
$custom-light: #92aef4;
$custom-dark: #000000;

JSON

{
  "hex": "#538eee",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 217.161,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65235,
    "c": 0.1566,
    "h": 259.7
  },
  "luminance": 0.27358
}

Semantic roles & 50–950 ramp

primary

#538EEE

secondary

#EAD5B2

accent

#8C07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538EEE

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

Preview Lab → · Contrast checker → · Palette generator →