#538CE5#538CE5

#538CE5 is a light, vivid blue. Relative luminance 0.263; OKLCH L 64.3% C 0.147 H 259.0°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#538CE5
RGB	rgb(83, 140, 229)
HSL	hsl(217, 74%, 61%)
HSV	hsv(217, 64%, 90%)
CMYK	cmyk(63.8%, 38.9%, 0%, 10.2%)
CIE-LAB	lab(58.27, 8.88, -50.71)
CIE-LCH	lch(58.27, 51.48, 279.93°)
OKLab	oklab(64.28% -0.028 -0.1442)
OKLCH	oklch(64.28% 0.147 259)
XYZ	xyz(27.0832, 26.2497, 77.7530)
Luminance	0.2625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CE5 #E5AC53

analogous

#53D5E5 #538CE5 #6353E5

triadic

#538CE5 #E5538C #8CE553

tetradic

#538CE5 #E553D5 #E5AC53 #53E563

square

#538CE5 #E553D5 #E5AC53 #53E563

split-complementary

#538CE5 #E56353 #D5E553

monochromatic

#194FA5 #2169DA #538CE5 #88B0ED #BDD3F5

Accessibility & contrast

On white

3.36

#538CE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#538CE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CE5

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CE5	#FFFFFF	#000000	##000000
##538CE5	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6493E9

Deuteranopia (green-blind)

#4F86E3

Tritanopia (blue-blind)

#00A0AD

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #538ce5;
/* rgb */ color: rgb(83, 140, 229);
/* oklch */ color: oklch(64.3% 0.147 259.0);

Tailwind

colors: {
  custom: {
    50: '#90aded',
    500: '#538ce5',
    950: '#000000',
  },
}

SCSS

$custom: #538ce5;
$custom-light: #90aded;
$custom-dark: #000000;

JSON

{
  "hex": "#538ce5",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 229
  },
  "hsl": {
    "h": 216.575,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64282,
    "c": 0.14695,
    "h": 259
  },
  "luminance": 0.26252
}

Semantic roles & 50–950 ramp

primary

#538CE5

secondary

#E5D0AE

accent

#8810D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #538CE5

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

Preview Lab → · Contrast checker → · Palette generator →