#4274E0#4274E0

#4274E0 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.2% C 0.173 H 263.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX#4274E0
RGBrgb(66, 116, 224)
HSLhsl(221, 72%, 57%)
HSVhsv(221, 71%, 88%)
CMYKcmyk(70.5%, 48.2%, 0%, 12.2%)
CIE-LABlab(50.72, 19.14, -60.03)
CIE-LCHlch(50.72, 63.00, 287.68°)
OKLaboklab(58.17% -0.0201 -0.1723)
OKLCHoklch(58.17% 0.173 263.3)
XYZxyz(21.9419, 19.0286, 73.0231)
Luminance0.1903 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4274E0 #E0AE42
analogous
#42C3E0 #4274E0 #5F42E0
triadic
#4274E0 #E04274 #74E042
tetradic
#4274E0 #E042C3 #E0AE42 #42E05F
square
#4274E0 #E042C3 #E0AE42 #42E05F
split-complementary
#4274E0 #E05F42 #C3E042
monochromatic
#183E90 #2054C5 #4274E0 #779BE9 #ABC1F1

Accessibility & contrast

On white

4.37
#4274E0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.81
#4274E0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4274E0
4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4274E0#FFFFFF#000000##000000
##4274E01.004.374.814.81
#FFFFFF4.371.0021.0021.00
#0000004.8121.001.001.00
##0000004.8121.001.001.00

Color blindness preview

Protanopia (red-blind)
#3880E4
Deuteranopia (green-blind)
#0172DE
Tritanopia (blue-blind)
#008D9F
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #4274e0;
/* rgb */ color: rgb(66, 116, 224);
/* oklch */ color: oklch(58.2% 0.173 263.3);
Tailwind
colors: {
  custom: {
    50: '#899bea',
    500: '#4274e0',
    950: '#000000',
  },
}
SCSS
$custom: #4274e0;
$custom-light: #899bea;
$custom-dark: #000000;
JSON
{
  "hex": "#4274e0",
  "rgb": {
    "r": 66,
    "g": 116,
    "b": 224
  },
  "hsl": {
    "h": 221.013,
    "s": 71.818,
    "l": 56.863
  },
  "oklch": {
    "l": 0.58172,
    "c": 0.17343,
    "h": 263.3
  },
  "luminance": 0.19031
}

Semantic roles & 50–950 ramp

primary
#4274E0
secondary
#DFCB9F
accent
#B539EF
background
#F9F9FE
surface
#F1F2FD
border
#CBCCD5
text
#0D0E16
muted
#7E7E84

Preview Lab

Preview with #4274E0

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

Preview Lab → · Contrast checker → · Palette generator →

#4274E0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva