#538BDC#538BDC

#538BDC is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.6% C 0.136 H 257.7°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#538BDC
RGB	rgb(83, 139, 220)
HSL	hsl(215, 66%, 59%)
HSV	hsv(215, 62%, 86%)
CMYK	cmyk(62.3%, 36.8%, 0%, 13.7%)
CIE-LAB	lab(57.53, 6.44, -46.87)
CIE-LCH	lch(57.53, 47.31, 277.82°)
OKLab	oklab(63.55% -0.0291 -0.133)
OKLCH	oklch(63.55% 0.136 257.7)
XYZ	xyz(25.7136, 25.4692, 71.2572)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538BDC #DCA453

analogous

#53D0DC #538BDC #5F53DC

triadic

#538BDC #DC538B #8BDC53

tetradic

#538BDC #DC53D0 #DCA453 #53DC5F

square

#538BDC #DC53D0 #DCA453 #53DC5F

split-complementary

#538BDC #DC5F53 #D0DC53

monochromatic

#1F4F96 #296AC9 #538BDC #86ADE6 #B9D0F1

Accessibility & contrast

On white

3.45

#538BDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#538BDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538BDC

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538BDC	#FFFFFF	#000000	##000000
##538BDC	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6891DF

Deuteranopia (green-blind)

#5584DA

Tritanopia (blue-blind)

#009DA9

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #538bdc;
/* rgb */ color: rgb(83, 139, 220);
/* oklch */ color: oklch(63.6% 0.136 257.7);

Tailwind

colors: {
  custom: {
    50: '#8face7',
    500: '#538bdc',
    950: '#000000',
  },
}

SCSS

$custom: #538bdc;
$custom-light: #8face7;
$custom-dark: #000000;

JSON

{
  "hex": "#538bdc",
  "rgb": {
    "r": 83,
    "g": 139,
    "b": 220
  },
  "hsl": {
    "h": 215.474,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63552,
    "c": 0.13615,
    "h": 257.7
  },
  "luminance": 0.25472
}

Semantic roles & 50–950 ramp

primary

#538BDC

secondary

#E0CAAB

accent

#A33FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538BDC

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

Preview Lab → · Contrast checker → · Palette generator →