#4291D2#4291D2

#4291D2 is a light, vivid cyan. Relative luminance 0.261; OKLCH L 63.7% C 0.125 H 246.4°. Best body text is #000000 at 6.21:1 contrast (WCAG AA passes).

Color values

HEX#4291D2
RGBrgb(66, 145, 210)
HSLhsl(207, 62%, 54%)
HSVhsv(207, 69%, 82%)
CMYKcmyk(68.6%, 31%, 0%, 17.6%)
CIE-LABlab(58.09, -3.34, -40.42)
CIE-LCHlch(58.09, 40.55, 265.28°)
OKLaboklab(63.65% -0.0501 -0.1143)
OKLCHoklch(63.65% 0.125 246.4)
XYZxyz(24.0006, 26.0596, 64.7254)
Luminance0.2606 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4291D2 #D28342
analogous
#42D2CB #4291D2 #4249D2
triadic
#4291D2 #D24291 #91D242
tetradic
#4291D2 #CB42D2 #D28342 #49D242
square
#4291D2 #CB42D2 #D28342 #49D242
split-complementary
#4291D2 #D24249 #D2CB42
monochromatic
#1E517C #2972AD #4291D2 #73AEDE #A5CBEA

Accessibility & contrast

On white

3.38
#4291D2 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.21
#4291D2 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291D2
6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4291D2#FFFFFF#000000##000000
##4291D21.003.386.216.21
#FFFFFF3.381.0021.0021.00
#0000006.2121.001.001.00
##0000006.2121.001.001.00

Color blindness preview

Protanopia (red-blind)
#7493D5
Deuteranopia (green-blind)
#6085D1
Tritanopia (blue-blind)
#00A1A8
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4291d2;
/* rgb */ color: rgb(66, 145, 210);
/* oklch */ color: oklch(63.7% 0.125 246.4);
Tailwind
colors: {
  custom: {
    50: '#86b1e0',
    500: '#4291d2',
    950: '#000000',
  },
}
SCSS
$custom: #4291d2;
$custom-light: #86b1e0;
$custom-dark: #000000;
JSON
{
  "hex": "#4291d2",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 210
  },
  "hsl": {
    "h": 207.083,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.63652,
    "c": 0.12483,
    "h": 246.4
  },
  "luminance": 0.26062
}

Semantic roles & 50–950 ramp

primary
#4291D2
secondary
#D7B599
accent
#8C43E5
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #4291D2

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

Preview Lab → · Contrast checker → · Palette generator →

#4291D2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva