#538EE5#538EE5

#538EE5 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.7% C 0.145 H 258.0°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#538EE5
RGB	rgb(83, 142, 229)
HSL	hsl(216, 74%, 61%)
HSV	hsv(216, 64%, 90%)
CMYK	cmyk(63.8%, 38%, 0%, 10.2%)
CIE-LAB	lab(58.83, 7.69, -49.83)
CIE-LCH	lch(58.83, 50.42, 278.77°)
OKLab	oklab(64.71% -0.03 -0.1416)
OKLCH	oklch(64.71% 0.145 258)
XYZ	xyz(27.3781, 26.8395, 77.8513)
Luminance	0.2684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538EE5 #E5AA53

analogous

#53D7E5 #538EE5 #6153E5

triadic

#538EE5 #E5538E #8EE553

tetradic

#538EE5 #E553D7 #E5AA53 #53E561

square

#538EE5 #E553D7 #E5AA53 #53E561

split-complementary

#538EE5 #E56153 #D7E553

monochromatic

#1951A5 #216CDA #538EE5 #88B1ED #BDD4F5

Accessibility & contrast

On white

3.30

#538EE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#538EE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538EE5

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538EE5	#FFFFFF	#000000	##000000
##538EE5	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)

#6895E9

Deuteranopia (green-blind)

#5387E3

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538ee5;
/* rgb */ color: rgb(83, 142, 229);
/* oklch */ color: oklch(64.7% 0.145 258.0);

Tailwind

colors: {
  custom: {
    50: '#90aeed',
    500: '#538ee5',
    950: '#000000',
  },
}

SCSS

$custom: #538ee5;
$custom-light: #90aeed;
$custom-dark: #000000;

JSON

{
  "hex": "#538ee5",
  "rgb": {
    "r": 83,
    "g": 142,
    "b": 229
  },
  "hsl": {
    "h": 215.753,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.6471,
    "c": 0.1448,
    "h": 258
  },
  "luminance": 0.26842
}

Semantic roles & 50–950 ramp

primary

#538EE5

secondary

#E5CFAE

accent

#8610D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538EE5

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

Preview Lab → · Contrast checker → · Palette generator →