#538FD1#538FD1

#538FD1 is a light, moderate cyan. Relative luminance 0.261; OKLCH L 63.8% C 0.118 H 252.2°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX#538FD1
RGBrgb(83, 143, 209)
HSLhsl(211, 58%, 57%)
HSVhsv(211, 60%, 82%)
CMYKcmyk(60.3%, 31.6%, 0%, 18%)
CIE-LABlab(58.12, 0.43, -39.77)
CIE-LCHlch(58.12, 39.78, 270.62°)
OKLaboklab(63.83% -0.0361 -0.1123)
OKLCHoklch(63.83% 0.118 252.2)
XYZxyz(24.8942, 26.0851, 64.0323)
Luminance0.2609 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538FD1 #D19553
analogous
#53CED1 #538FD1 #5653D1
triadic
#538FD1 #D1538F #8FD153
tetradic
#538FD1 #D153CE #D19553 #53D156
square
#538FD1 #D153CE #D19553 #53D156
split-complementary
#538FD1 #D15653 #CED153
monochromatic
#245286 #3170B6 #538FD1 #83AEDE #B4CEEB

Accessibility & contrast

On white

3.38
#538FD1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.22
#538FD1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FD1
6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538FD1#FFFFFF#000000##000000
##538FD11.003.386.226.22
#FFFFFF3.381.0021.0021.00
#0000006.2221.001.001.00
##0000006.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7392D4
Deuteranopia (green-blind)
#6286D0
Tritanopia (blue-blind)
#009EA7
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #538fd1;
/* rgb */ color: rgb(83, 143, 209);
/* oklch */ color: oklch(63.8% 0.118 252.2);
Tailwind
colors: {
  custom: {
    50: '#8eafdf',
    500: '#538fd1',
    950: '#000000',
  },
}
SCSS
$custom: #538fd1;
$custom-light: #8eafdf;
$custom-dark: #000000;
JSON
{
  "hex": "#538fd1",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 209
  },
  "hsl": {
    "h": 211.429,
    "s": 57.798,
    "l": 57.255
  },
  "oklch": {
    "l": 0.63835,
    "c": 0.11796,
    "h": 252.2
  },
  "luminance": 0.26087
}

Semantic roles & 50–950 ramp

primary
#538FD1
secondary
#D9C1A6
accent
#9847E1
background
#F9FAFD
surface
#F1F4FB
border
#CBCED4
text
#0D1015
muted
#7E7F83

Preview Lab

Preview with #538FD1

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

Preview Lab → · Contrast checker → · Palette generator →

#538FD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva