#4189DD#4189DD

#4189DD is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.4% C 0.146 H 254.1°. Best body text is #000000 at 5.85:1 contrast (WCAG AA passes).

Color values

HEX#4189DD
RGBrgb(65, 137, 221)
HSLhsl(212, 70%, 56%)
HSVhsv(212, 71%, 87%)
CMYKcmyk(70.6%, 38%, 0%, 13.3%)
CIE-LABlab(56.32, 5.06, -49.39)
CIE-LCHlch(56.32, 49.65, 275.85°)
OKLaboklab(62.43% -0.0401 -0.1407)
OKLCHoklch(62.43% 0.146 254.1)
XYZxyz(24.1720, 24.2330, 71.7961)
Luminance0.2424 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4189DD #DD9541
analogous
#41D7DD #4189DD #4741DD
triadic
#4189DD #DD4189 #89DD41
tetradic
#4189DD #DD41D7 #DD9541 #41DD47
square
#4189DD #DD41D7 #DD9541 #41DD47
split-complementary
#4189DD #DD4741 #D7DD41
monochromatic
#194D8B #226ABF #4189DD #75A9E6 #A9C9F0

Accessibility & contrast

On white

3.59
#4189DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.85
#4189DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4189DD
5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4189DD#FFFFFF#000000##000000
##4189DD1.003.595.855.85
#FFFFFF3.591.0021.0021.00
#0000005.8521.001.001.00
##0000005.8521.001.001.00

Color blindness preview

Protanopia (red-blind)
#628FE0
Deuteranopia (green-blind)
#4B80DB
Tritanopia (blue-blind)
#009DA8
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #4189dd;
/* rgb */ color: rgb(65, 137, 221);
/* oklch */ color: oklch(62.4% 0.146 254.1);
Tailwind
colors: {
  custom: {
    50: '#87aae8',
    500: '#4189dd',
    950: '#000000',
  },
}
SCSS
$custom: #4189dd;
$custom-light: #87aae8;
$custom-dark: #000000;
JSON
{
  "hex": "#4189dd",
  "rgb": {
    "r": 65,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 212.308,
    "s": 69.643,
    "l": 56.078
  },
  "oklch": {
    "l": 0.62432,
    "c": 0.14629,
    "h": 254.1
  },
  "luminance": 0.24236
}

Semantic roles & 50–950 ramp

primary
#4189DD
secondary
#DDBF9D
accent
#9B3BEC
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #4189DD

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

Preview Lab → · Contrast checker → · Palette generator →

#4189DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva