#4081DB#4081DB

#4081DB is a mid, vivid cyan. Relative luminance 0.219; OKLCH L 60.5% C 0.153 H 257.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX#4081DB
RGBrgb(64, 129, 219)
HSLhsl(215, 68%, 55%)
HSVhsv(215, 71%, 86%)
CMYKcmyk(70.8%, 41.1%, 0%, 14.1%)
CIE-LABlab(53.92, 9.03, -52.08)
CIE-LCHlch(53.92, 52.86, 279.84°)
OKLaboklab(60.52% -0.0339 -0.1487)
OKLCHoklch(60.52% 0.153 257.1)
XYZxyz(22.7461, 21.9025, 70.0329)
Luminance0.2190 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4081DB #DB9A40
analogous
#40CEDB #4081DB #4C40DB
triadic
#4081DB #DB4081 #81DB40
tetradic
#4081DB #DB40CE #DB9A40 #40DB4C
square
#4081DB #DB40CE #DB9A40 #40DB4C
split-complementary
#4081DB #DB4C40 #CEDB40
monochromatic
#194787 #2363BB #4081DB #73A3E5 #A7C5EE

Accessibility & contrast

On white

3.90
#4081DB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.38
#4081DB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4081DB
5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4081DB#FFFFFF#000000##000000
##4081DB1.003.905.385.38
#FFFFFF3.901.0021.0021.00
#0000005.3821.001.001.00
##0000005.3821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5689DF
Deuteranopia (green-blind)
#3D7AD9
Tritanopia (blue-blind)
#0096A3
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #4081db;
/* rgb */ color: rgb(64, 129, 219);
/* oklch */ color: oklch(60.5% 0.153 257.1);
Tailwind
colors: {
  custom: {
    50: '#87a5e7',
    500: '#4081db',
    950: '#000000',
  },
}
SCSS
$custom: #4081db;
$custom-light: #87a5e7;
$custom-dark: #000000;
JSON
{
  "hex": "#4081db",
  "rgb": {
    "r": 64,
    "g": 129,
    "b": 219
  },
  "hsl": {
    "h": 214.839,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.60522,
    "c": 0.15254,
    "h": 257.1
  },
  "luminance": 0.21905
}

Semantic roles & 50–950 ramp

primary
#4081DB
secondary
#DCC19B
accent
#A23DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D0F16
muted
#7D7F84

Preview Lab

Preview with #4081DB

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

Preview Lab → · Contrast checker → · Palette generator →

#4081DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva