#538EE7#538EE7

#538EE7 is a light, vivid blue. Relative luminance 0.270; OKLCH L 64.8% C 0.147 H 258.4°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#538EE7
RGB	rgb(83, 142, 231)
HSL	hsl(216, 76%, 62%)
HSV	hsv(216, 64%, 91%)
CMYK	cmyk(64.1%, 38.5%, 0%, 9.4%)
CIE-LAB	lab(58.93, 8.36, -50.78)
CIE-LCH	lch(58.93, 51.46, 279.35°)
OKLab	oklab(64.83% -0.0296 -0.1444)
OKLCH	oklch(64.83% 0.147 258.4)
XYZ	xyz(27.6589, 26.9519, 79.3304)
Luminance	0.2696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EE7 #E7AC53

analogous

#53D8E7 #538EE7 #6253E7

triadic

#538EE7 #E7538E #8EE753

tetradic

#538EE7 #E753D8 #E7AC53 #53E762

square

#538EE7 #E753D8 #E7AC53 #53E762

split-complementary

#538EE7 #E76253 #D8E753

monochromatic

#1751A8 #1F6BDE #538EE7 #89B1EE #BED5F6

Accessibility & contrast

On white

3.29

#538EE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#538EE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EE7

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EE7	#FFFFFF	#000000	##000000
##538EE7	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6695EB

Deuteranopia (green-blind)

#5187E5

Tritanopia (blue-blind)

#00A2AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #538ee7;
/* rgb */ color: rgb(83, 142, 231);
/* oklch */ color: oklch(64.8% 0.147 258.4);

Tailwind

colors: {
  custom: {
    50: '#91aeef',
    500: '#538ee7',
    950: '#000000',
  },
}

SCSS

$custom: #538ee7;
$custom-light: #91aeef;
$custom-dark: #000000;

JSON

{
  "hex": "#538ee7",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 231
  },
  "hsl": {
    "h": 216.081,
    "s": 75.51,
    "l": 61.569
  },
  "oklch": {
    "l": 0.64825,
    "c": 0.14742,
    "h": 258.4
  },
  "luminance": 0.26955
}

Semantic roles & 50–950 ramp

primary

#538EE7

secondary

#E6D0AF

accent

#870ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538EE7

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

Preview Lab → · Contrast checker → · Palette generator →