#538BE5#538BE5

#538BE5 is a light, vivid blue. Relative luminance 0.260; OKLCH L 64.1% C 0.148 H 259.5°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#538BE5
RGB	rgb(83, 139, 229)
HSL	hsl(217, 74%, 61%)
HSV	hsv(217, 64%, 90%)
CMYK	cmyk(63.8%, 39.3%, 0%, 10.2%)
CIE-LAB	lab(58.00, 9.47, -51.15)
CIE-LCH	lch(58.00, 52.02, 280.49°)
OKLab	oklab(64.07% -0.027 -0.1455)
OKLCH	oklch(64.07% 0.148 259.5)
XYZ	xyz(26.9377, 25.9588, 77.7045)
Luminance	0.2596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BE5 #E5AD53

analogous

#53D4E5 #538BE5 #6453E5

triadic

#538BE5 #E5538B #8BE553

tetradic

#538BE5 #E553D4 #E5AD53 #53E564

square

#538BE5 #E553D4 #E5AD53 #53E564

split-complementary

#538BE5 #E56453 #D4E553

monochromatic

#194FA5 #2168DA #538BE5 #88AFED #BDD3F5

Accessibility & contrast

On white

3.39

#538BE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#538BE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BE5

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BE5	#FFFFFF	#000000	##000000
##538BE5	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6393E9

Deuteranopia (green-blind)

#4E85E3

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538be5;
/* rgb */ color: rgb(83, 139, 229);
/* oklch */ color: oklch(64.1% 0.148 259.5);

Tailwind

colors: {
  custom: {
    50: '#91acee',
    500: '#538be5',
    950: '#000000',
  },
}

SCSS

$custom: #538be5;
$custom-light: #91acee;
$custom-dark: #000000;

JSON

{
  "hex": "#538be5",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 229
  },
  "hsl": {
    "h": 216.986,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64068,
    "c": 0.14803,
    "h": 259.5
  },
  "luminance": 0.25961
}

Semantic roles & 50–950 ramp

primary

#538BE5

secondary

#E5D0AE

accent

#8A10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538BE5

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

Preview Lab → · Contrast checker → · Palette generator →