#538CEB#538CEB

#538CEB is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.6% C 0.155 H 260.0°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#538CEB
RGB	rgb(83, 140, 235)
HSL	hsl(218, 79%, 62%)
HSV	hsv(218, 65%, 92%)
CMYK	cmyk(64.7%, 40.4%, 0%, 7.8%)
CIE-LAB	lab(58.59, 10.91, -53.53)
CIE-LCH	lch(58.59, 54.63, 281.52°)
OKLab	oklab(64.63% -0.0268 -0.1525)
OKLCH	oklch(64.63% 0.155 260)
XYZ	xyz(27.9354, 26.5906, 82.2415)
Luminance	0.2659 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CEB #EBB253

analogous

#53D8EB #538CEB #6653EB

triadic

#538CEB #EB538C #8CEB53

tetradic

#538CEB #EB53D8 #EBB253 #53EB66

square

#538CEB #EB53D8 #EBB253 #53EB66

split-complementary

#538CEB #EB6653 #D8EB53

monochromatic

#144EAF #1C67E5 #538CEB #8AB1F1 #C1D5F8

Accessibility & contrast

On white

3.32

#538CEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#538CEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CEB

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CEB	#FFFFFF	#000000	##000000
##538CEB	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6195EF

Deuteranopia (green-blind)

#4A86E9

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #538ceb;
/* rgb */ color: rgb(83, 140, 235);
/* oklch */ color: oklch(64.6% 0.155 260.0);

Tailwind

colors: {
  custom: {
    50: '#91adf2',
    500: '#538ceb',
    950: '#000000',
  },
}

SCSS

$custom: #538ceb;
$custom-light: #91adf2;
$custom-dark: #000000;

JSON

{
  "hex": "#538ceb",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 235
  },
  "hsl": {
    "h": 217.5,
    "s": 79.167,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64634,
    "c": 0.15485,
    "h": 260
  },
  "luminance": 0.26593
}

Semantic roles & 50–950 ramp

primary

#538CEB

secondary

#E9D4B1

accent

#8D0ADB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #538CEB

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

Preview Lab → · Contrast checker → · Palette generator →