#538CDC#538CDC

#538CDC is a light, vivid blue. Relative luminance 0.258; OKLCH L 63.8% C 0.135 H 257.1°. Best body text is #000000 at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#538CDC
RGB	rgb(83, 140, 220)
HSL	hsl(215, 66%, 59%)
HSV	hsv(215, 62%, 86%)
CMYK	cmyk(62.3%, 36.4%, 0%, 13.7%)
CIE-LAB	lab(57.81, 5.85, -46.42)
CIE-LCH	lch(57.81, 46.79, 277.18°)
OKLab	oklab(63.77% -0.0301 -0.1317)
OKLCH	oklch(63.77% 0.135 257.1)
XYZ	xyz(25.8590, 25.7601, 71.3057)
Luminance	0.2576 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CDC #DCA353

analogous

#53D1DC #538CDC #5E53DC

triadic

#538CDC #DC538C #8CDC53

tetradic

#538CDC #DC53D1 #DCA353 #53DC5E

square

#538CDC #DC53D1 #DCA353 #53DC5E

split-complementary

#538CDC #DC5E53 #D1DC53

monochromatic

#1F5096 #296BC9 #538CDC #86AEE6 #B9D0F1

Accessibility & contrast

On white

3.41

#538CDC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.15

#538CDC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CDC

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CDC	#FFFFFF	#000000	##000000
##538CDC	1.00	3.41	6.15	6.15
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.15	21.00	1.00	1.00
##000000	6.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6992DF

Deuteranopia (green-blind)

#5785DA

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538cdc;
/* rgb */ color: rgb(83, 140, 220);
/* oklch */ color: oklch(63.8% 0.135 257.1);

Tailwind

colors: {
  custom: {
    50: '#8fade7',
    500: '#538cdc',
    950: '#000000',
  },
}

SCSS

$custom: #538cdc;
$custom-light: #8fade7;
$custom-dark: #000000;

JSON

{
  "hex": "#538cdc",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 220
  },
  "hsl": {
    "h": 215.036,
    "s": 66.184,
    "l": 59.412
  },
  "oklch": {
    "l": 0.63769,
    "c": 0.13511,
    "h": 257.1
  },
  "luminance": 0.25762
}

Semantic roles & 50–950 ramp

primary

#538CDC

secondary

#E0CAAB

accent

#A23FE9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538CDC

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

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