#4291D7#4291D7

#4291D7 is a light, vivid cyan. Relative luminance 0.263; OKLCH L 63.9% C 0.131 H 248.2°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX#4291D7
RGBrgb(66, 145, 215)
HSLhsl(208, 65%, 55%)
HSVhsv(208, 69%, 84%)
CMYKcmyk(69.3%, 32.6%, 0%, 15.7%)
CIE-LABlab(58.33, -1.61, -42.84)
CIE-LCHlch(58.33, 42.87, 267.84°)
OKLaboklab(63.92% -0.0486 -0.1214)
OKLCHoklch(63.92% 0.131 248.2)
XYZxyz(24.6333, 26.3127, 68.0574)
Luminance0.2631 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4291D7 #D78842
analogous
#42D7D3 #4291D7 #4246D7
triadic
#4291D7 #D74291 #91D742
tetradic
#4291D7 #D342D7 #D78842 #46D742
square
#4291D7 #D342D7 #D78842 #46D742
split-complementary
#4291D7 #D74246 #D7D342
monochromatic
#1C5283 #2672B5 #4291D7 #75AEE2 #A7CCEC

Accessibility & contrast

On white

3.35
#4291D7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.26
#4291D7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4291D7
6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4291D7#FFFFFF#000000##000000
##4291D71.003.356.266.26
#FFFFFF3.351.0021.0021.00
#0000006.2621.001.001.00
##0000006.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7294DA
Deuteranopia (green-blind)
#5D86D6
Tritanopia (blue-blind)
#00A2AA
Achromatopsia (no color)
#8C8C8C

Design tokens & code

CSS
--color: #4291d7;
/* rgb */ color: rgb(66, 145, 215);
/* oklch */ color: oklch(63.9% 0.131 248.2);
Tailwind
colors: {
  custom: {
    50: '#87b0e3',
    500: '#4291d7',
    950: '#000000',
  },
}
SCSS
$custom: #4291d7;
$custom-light: #87b0e3;
$custom-dark: #000000;
JSON
{
  "hex": "#4291d7",
  "rgb": {
    "r": 66,
    "g": 145,
    "b": 215
  },
  "hsl": {
    "h": 208.188,
    "s": 65.066,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63919,
    "c": 0.1308,
    "h": 248.2
  },
  "luminance": 0.26315
}

Semantic roles & 50–950 ramp

primary
#4291D7
secondary
#DAB99B
accent
#8F40E8
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0D1015
muted
#7D7F83

Preview Lab

Preview with #4291D7

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

Preview Lab → · Contrast checker → · Palette generator →

#4291D7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva