#424BCC#424BCC

#424BCC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.8% C 0.196 H 273.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX#424BCC
RGBrgb(66, 75, 204)
HSLhsl(236, 58%, 53%)
HSVhsv(236, 68%, 80%)
CMYKcmyk(67.6%, 63.2%, 0%, 20%)
CIE-LABlab(38.81, 37.85, -67.93)
CIE-LCHlch(38.81, 77.76, 299.13°)
OKLaboklab(48.78% 0.0119 -0.196)
OKLCHoklch(48.78% 0.196 273.5)
XYZxyz(15.6583, 10.5486, 58.3259)
Luminance0.1055 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424BCC #CCC342
analogous
#4290CC #424BCC #7E42CC
triadic
#424BCC #CC424B #4BCC42
tetradic
#424BCC #CC4290 #CCC342 #42CC7E
square
#424BCC #CC4290 #CCC342 #42CC7E
split-complementary
#424BCC #CC7E42 #90CC42
monochromatic
#1F2574 #2C34A4 #424BCC #7279D9 #A2A7E6

Accessibility & contrast

On white

6.75
#424BCC on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

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

Best text color

#FFFFFF on #424BCC
6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424BCC#FFFFFF#000000##FFFFFF
##424BCC1.006.753.116.75
#FFFFFF6.751.0021.001.00
#0000003.1121.001.0021.00
##FFFFFF6.751.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0062D0
Deuteranopia (green-blind)
#0055CA
Tritanopia (blue-blind)
#006C84
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #424bcc;
/* rgb */ color: rgb(66, 75, 204);
/* oklch */ color: oklch(48.8% 0.196 273.5);
Tailwind
colors: {
  custom: {
    50: '#877ddd',
    500: '#424bcc',
    950: '#000000',
  },
}
SCSS
$custom: #424bcc;
$custom-light: #877ddd;
$custom-dark: #000000;
JSON
{
  "hex": "#424bcc",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 204
  },
  "hsl": {
    "h": 236.087,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48779,
    "c": 0.19638,
    "h": 273.5
  },
  "luminance": 0.1055
}

Semantic roles & 50–950 ramp

primary
#424BCC
secondary
#D3CF97
accent
#D747E1
background
#F9F7FD
surface
#F1EEFB
border
#CBC9D4
text
#0D0915
muted
#7E7B83

Preview Lab

Preview with #424BCC

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

Preview Lab → · Contrast checker → · Palette generator →

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