#424CC9#424CC9

#424CC9 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.7% C 0.191 H 273.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX#424CC9
RGBrgb(66, 76, 201)
HSLhsl(236, 56%, 52%)
HSVhsv(236, 67%, 79%)
CMYKcmyk(67.2%, 62.2%, 0%, 21.2%)
CIE-LABlab(38.80, 36.20, -66.21)
CIE-LCHlch(38.80, 75.46, 298.67°)
OKLaboklab(48.7% 0.0113 -0.191)
OKLCHoklch(48.7% 0.191 273.4)
XYZxyz(15.3703, 10.5428, 56.4720)
Luminance0.1054 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424CC9 #C9BF42
analogous
#428FC9 #424CC9 #7C42C9
triadic
#424CC9 #C9424C #4CC942
tetradic
#424CC9 #C9428F #C9BF42 #42C97C
square
#424CC9 #C9428F #C9BF42 #42C97C
split-complementary
#424CC9 #C97C42 #8FC942
monochromatic
#202670 #2E36A0 #424CC9 #7279D7 #A1A6E4

Accessibility & contrast

On white

6.76
#424CC9 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.11
#424CC9 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CC9
6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424CC9#FFFFFF#000000##FFFFFF
##424CC91.006.763.116.76
#FFFFFF6.761.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.761.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062CD
Deuteranopia (green-blind)
#0055C7
Tritanopia (blue-blind)
#006C83
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #424cc9;
/* rgb */ color: rgb(66, 76, 201);
/* oklch */ color: oklch(48.7% 0.191 273.4);
Tailwind
colors: {
  custom: {
    50: '#877eda',
    500: '#424cc9',
    950: '#000000',
  },
}
SCSS
$custom: #424cc9;
$custom-light: #877eda;
$custom-dark: #000000;
JSON
{
  "hex": "#424cc9",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 201
  },
  "hsl": {
    "h": 235.556,
    "s": 55.556,
    "l": 52.353
  },
  "oklch": {
    "l": 0.48695,
    "c": 0.1913,
    "h": 273.4
  },
  "luminance": 0.10544
}

Semantic roles & 50–950 ramp

primary
#424CC9
secondary
#D1CC96
accent
#D449DF
background
#F8F7FD
surface
#F0EEFB
border
#CBC9D4
text
#0D0A15
muted
#7D7C83

Preview Lab

Preview with #424CC9

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

Preview Lab → · Contrast checker → · Palette generator →

#424CC9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva