#538DEA#538DEA

#538DEA is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.8% C 0.152 H 259.4°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#538DEA
RGB	rgb(83, 141, 234)
HSL	hsl(217, 78%, 62%)
HSV	hsv(217, 65%, 92%)
CMYK	cmyk(64.5%, 39.7%, 0%, 8.2%)
CIE-LAB	lab(58.81, 9.98, -52.63)
CIE-LCH	lch(58.81, 53.56, 280.73°)
OKLab	oklab(64.79% -0.0279 -0.1499)
OKLCH	oklch(64.79% 0.152 259.4)
XYZ	xyz(27.9381, 26.8266, 81.5317)
Luminance	0.2683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538DEA #EAB053

analogous

#53D8EA #538DEA #6553EA

triadic

#538DEA #EA538D #8DEA53

tetradic

#538DEA #EA53D8 #EAB053 #53EA65

square

#538DEA #EA53D8 #EAB053 #53EA65

split-complementary

#538DEA #EA6553 #D8EA53

monochromatic

#1550AD #1C69E3 #538DEA #8AB1F1 #C0D5F7

Accessibility & contrast

On white

3.30

#538DEA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#538DEA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538DEA

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538DEA	#FFFFFF	#000000	##000000
##538DEA	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6395EE

Deuteranopia (green-blind)

#4D87E8

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538dea;
/* rgb */ color: rgb(83, 141, 234);
/* oklch */ color: oklch(64.8% 0.152 259.4);

Tailwind

colors: {
  custom: {
    50: '#91adf1',
    500: '#538dea',
    950: '#000000',
  },
}

SCSS

$custom: #538dea;
$custom-light: #91adf1;
$custom-dark: #000000;

JSON

{
  "hex": "#538dea",
  "rgb": {
    "r": 83,
    "g": 141,
    "b": 234
  },
  "hsl": {
    "h": 216.954,
    "s": 78.238,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64787,
    "c": 0.15244,
    "h": 259.4
  },
  "luminance": 0.26829
}

Semantic roles & 50–950 ramp

primary

#538DEA

secondary

#E8D3B1

accent

#8B0BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538DEA

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

Preview Lab → · Contrast checker → · Palette generator →