#4277E0#4277E0

#4277E0 is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.8% C 0.170 H 262.3°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX#4277E0
RGBrgb(66, 119, 224)
HSLhsl(220, 72%, 57%)
HSVhsv(220, 71%, 88%)
CMYKcmyk(70.5%, 46.9%, 0%, 12.2%)
CIE-LABlab(51.53, 17.27, -58.72)
CIE-LCHlch(51.53, 61.21, 286.39°)
OKLaboklab(58.79% -0.0227 -0.1684)
OKLCHoklch(58.79% 0.17 262.3)
XYZxyz(22.2933, 19.7314, 73.1402)
Luminance0.1973 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4277E0 #E0AB42
analogous
#42C6E0 #4277E0 #5C42E0
triadic
#4277E0 #E04277 #77E042
tetradic
#4277E0 #E042C6 #E0AB42 #42E05C
square
#4277E0 #E042C6 #E0AB42 #42E05C
split-complementary
#4277E0 #E05C42 #C6E042
monochromatic
#184090 #2057C5 #4277E0 #779DE9 #ABC3F1

Accessibility & contrast

On white

4.25
#4277E0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.95
#4277E0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4277E0
4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4277E0#FFFFFF#000000##000000
##4277E01.004.254.954.95
#FFFFFF4.251.0021.0021.00
#0000004.9521.001.001.00
##0000004.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#3F83E4
Deuteranopia (green-blind)
#1874DE
Tritanopia (blue-blind)
#0090A1
Achromatopsia (no color)
#7B7B7B

Design tokens & code

CSS
--color: #4277e0;
/* rgb */ color: rgb(66, 119, 224);
/* oklch */ color: oklch(58.8% 0.170 262.3);
Tailwind
colors: {
  custom: {
    50: '#899dea',
    500: '#4277e0',
    950: '#000000',
  },
}
SCSS
$custom: #4277e0;
$custom-light: #899dea;
$custom-dark: #000000;
JSON
{
  "hex": "#4277e0",
  "rgb": {
    "r": 66,
    "g": 119,
    "b": 224
  },
  "hsl": {
    "h": 219.873,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58793,
    "c": 0.16989,
    "h": 262.3
  },
  "luminance": 0.19734
}

Semantic roles & 50–950 ramp

primary
#4277E0
secondary
#DFCA9F
accent
#B239EF
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4277E0

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

Preview Lab → · Contrast checker → · Palette generator →

#4277E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva