#538CE7#538CE7

#538CE7 is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.4% C 0.150 H 259.4°. Best body text is #000000 at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#538CE7
RGB	rgb(83, 140, 231)
HSL	hsl(217, 76%, 62%)
HSV	hsv(217, 64%, 91%)
CMYK	cmyk(64.1%, 39.4%, 0%, 9.4%)
CIE-LAB	lab(58.38, 9.55, -51.65)
CIE-LCH	lch(58.38, 52.53, 280.48°)
OKLab	oklab(64.4% -0.0276 -0.147)
OKLCH	oklch(64.4% 0.15 259.4)
XYZ	xyz(27.3640, 26.3621, 79.2321)
Luminance	0.2636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CE7 #E7AE53

analogous

#53D6E7 #538CE7 #6453E7

triadic

#538CE7 #E7538C #8CE753

tetradic

#538CE7 #E753D6 #E7AE53 #53E764

square

#538CE7 #E753D6 #E7AE53 #53E764

split-complementary

#538CE7 #E76453 #D6E753

monochromatic

#174FA8 #1F68DE #538CE7 #89B0EE #BED4F6

Accessibility & contrast

On white

3.35

#538CE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.27

#538CE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CE7

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CE7	#FFFFFF	#000000	##000000
##538CE7	1.00	3.35	6.27	6.27
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.27	21.00	1.00	1.00
##000000	6.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6394EB

Deuteranopia (green-blind)

#4E86E5

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538ce7;
/* rgb */ color: rgb(83, 140, 231);
/* oklch */ color: oklch(64.4% 0.150 259.4);

Tailwind

colors: {
  custom: {
    50: '#91adef',
    500: '#538ce7',
    950: '#000000',
  },
}

SCSS

$custom: #538ce7;
$custom-light: #91adef;
$custom-dark: #000000;

JSON

{
  "hex": "#538ce7",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 231
  },
  "hsl": {
    "h": 216.892,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64398,
    "c": 0.14958,
    "h": 259.4
  },
  "luminance": 0.26365
}

Semantic roles & 50–950 ramp

primary

#538CE7

secondary

#E6D1AF

accent

#8A0ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538CE7

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

Preview Lab → · Contrast checker → · Palette generator →