#538CDB#538CDB

#538CDB is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.7% C 0.134 H 256.9°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#538CDB
RGB	rgb(83, 140, 219)
HSL	hsl(215, 65%, 59%)
HSV	hsv(215, 62%, 86%)
CMYK	cmyk(62.1%, 36.1%, 0%, 14.1%)
CIE-LAB	lab(57.76, 5.51, -45.95)
CIE-LCH	lch(57.76, 46.27, 276.84°)
OKLab	oklab(63.71% -0.0303 -0.1303)
OKLCH	oklch(63.71% 0.134 256.9)
XYZ	xyz(25.7270, 25.7072, 70.6103)
Luminance	0.2571 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#538CDB #DBA253

analogous

#53D0DB #538CDB #5E53DB

triadic

#538CDB #DB538C #8CDB53

tetradic

#538CDB #DB53D0 #DBA253 #53DB5E

square

#538CDB #DB53D0 #DBA253 #53DB5E

split-complementary

#538CDB #DB5E53 #D0DB53

monochromatic

#1F5095 #2A6CC7 #538CDB #86AEE6 #B8D0F0

Accessibility & contrast

On white

3.42

#538CDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#538CDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538CDB

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##538CDB	#FFFFFF	#000000	##000000
##538CDB	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A92DE

Deuteranopia (green-blind)

#5785D9

Tritanopia (blue-blind)

#009EA9

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #538cdb;
/* rgb */ color: rgb(83, 140, 219);
/* oklch */ color: oklch(63.7% 0.134 256.9);

Tailwind

colors: {
  custom: {
    50: '#8fade6',
    500: '#538cdb',
    950: '#000000',
  },
}

SCSS

$custom: #538cdb;
$custom-light: #8fade6;
$custom-dark: #000000;

JSON

{
  "hex": "#538cdb",
  "rgb": {
    "r": 83,
    "g": 140,
    "b": 219
  },
  "hsl": {
    "h": 214.853,
    "s": 65.385,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63713,
    "c": 0.1338,
    "h": 256.9
  },
  "luminance": 0.2571
}

Semantic roles & 50–950 ramp

primary

#538CDB

secondary

#DFC9AA

accent

#A23FE8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #538CDB

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

Preview Lab → · Contrast checker → · Palette generator →