#538DEE#538DEE

#538DEE is a light, vivid blue. Relative luminance 0.271; OKLCH L 65.0% C 0.158 H 260.1°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#538DEE
RGB	rgb(83, 141, 238)
HSL	hsl(218, 82%, 63%)
HSV	hsv(218, 65%, 93%)
CMYK	cmyk(65.1%, 40.8%, 0%, 6.7%)
CIE-LAB	lab(59.03, 11.34, -54.50)
CIE-LCH	lch(59.03, 55.67, 281.75°)
OKLab	oklab(65.02% -0.0271 -0.1553)
OKLCH	oklch(65.02% 0.158 260.1)
XYZ	xyz(28.5193, 27.0590, 84.5923)
Luminance	0.2706 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DEE #EEB453

analogous

#53DBEE #538DEE #6653EE

triadic

#538DEE #EE538D #8DEE53

tetradic

#538DEE #EE53DB #EEB453 #53EE66

square

#538DEE #EE53DB #EEB453 #53EE66

split-complementary

#538DEE #EE6653 #DBEE53

monochromatic

#124FB5 #1B68E8 #538DEE #8BB2F4 #C2D7F9

Accessibility & contrast

On white

3.27

#538DEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#538DEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DEE

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DEE	#FFFFFF	#000000	##000000
##538DEE	1.00	3.27	6.41	6.41
#FFFFFF	3.27	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F2

Deuteranopia (green-blind)

#4987EC

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #538dee;
/* rgb */ color: rgb(83, 141, 238);
/* oklch */ color: oklch(65.0% 0.158 260.1);

Tailwind

colors: {
  custom: {
    50: '#92adf4',
    500: '#538dee',
    950: '#000000',
  },
}

SCSS

$custom: #538dee;
$custom-light: #92adf4;
$custom-dark: #000000;

JSON

{
  "hex": "#538dee",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 238
  },
  "hsl": {
    "h": 217.548,
    "s": 82.011,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65024,
    "c": 0.1577,
    "h": 260.1
  },
  "luminance": 0.27062
}

Semantic roles & 50–950 ramp

primary

#538DEE

secondary

#EAD5B2

accent

#8E07DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538DEE

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

Preview Lab → · Contrast checker → · Palette generator →