#538FD8#538FD8

#538FD8 is a light, vivid cyan. Relative luminance 0.264; OKLCH L 64.2% C 0.127 H 254.3°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX#538FD8
RGBrgb(83, 143, 216)
HSLhsl(213, 63%, 59%)
HSVhsv(213, 62%, 85%)
CMYKcmyk(61.6%, 33.8%, 0%, 15.3%)
CIE-LABlab(58.45, 2.74, -43.17)
CIE-LCHlch(58.45, 43.26, 273.64°)
OKLaboklab(64.21% -0.0342 -0.1222)
OKLCHoklch(64.21% 0.127 254.3)
XYZxyz(25.7799, 26.4394, 68.6972)
Luminance0.2644 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#538FD8 #D89C53
analogous
#53D2D8 #538FD8 #5953D8
triadic
#538FD8 #D8538F #8FD853
tetradic
#538FD8 #D853D2 #D89C53 #53D859
square
#538FD8 #D853D2 #D89C53 #53D859
split-complementary
#538FD8 #D85953 #D2D853
monochromatic
#215390 #2C70C2 #538FD8 #85AFE3 #B7D0EF

Accessibility & contrast

On white

3.34
#538FD8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.29
#538FD8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #538FD8
6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##538FD8#FFFFFF#000000##000000
##538FD81.003.346.296.29
#FFFFFF3.341.0021.0021.00
#0000006.2921.001.001.00
##0000006.2921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7094DB
Deuteranopia (green-blind)
#5E87D7
Tritanopia (blue-blind)
#00A0A9
Achromatopsia (no color)
#8D8D8D

Design tokens & code

CSS
--color: #538fd8;
/* rgb */ color: rgb(83, 143, 216);
/* oklch */ color: oklch(64.2% 0.127 254.3);
Tailwind
colors: {
  custom: {
    50: '#8fafe4',
    500: '#538fd8',
    950: '#000000',
  },
}
SCSS
$custom: #538fd8;
$custom-light: #8fafe4;
$custom-dark: #000000;
JSON
{
  "hex": "#538fd8",
  "rgb": {
    "r": 83,
    "g": 143,
    "b": 216
  },
  "hsl": {
    "h": 212.932,
    "s": 63.033,
    "l": 58.627
  },
  "oklch": {
    "l": 0.64206,
    "c": 0.12688,
    "h": 254.3
  },
  "luminance": 0.26442
}

Semantic roles & 50–950 ramp

primary
#538FD8
secondary
#DEC6A9
accent
#9C42E6
background
#F9FAFE
surface
#F2F4FC
border
#CCCED5
text
#0D1015
muted
#7E7F84

Preview Lab

Preview with #538FD8

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

Preview Lab → · Contrast checker → · Palette generator →

#538FD8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva