#424FDA#424FDA

#424FDA is a mid, highly saturated blue. Relative luminance 0.118; OKLCH L 50.7% C 0.210 H 272.3°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX#424FDA
RGBrgb(66, 79, 218)
HSLhsl(235, 67%, 56%)
HSVhsv(235, 70%, 85%)
CMYKcmyk(69.7%, 63.8%, 0%, 14.5%)
CIE-LABlab(40.91, 40.18, -72.55)
CIE-LCHlch(40.91, 82.93, 298.98°)
OKLaboklab(50.68% 0.0083 -0.2095)
OKLCHoklch(50.68% 0.21 272.3)
XYZxyz(17.6934, 11.8104, 67.6633)
Luminance0.1181 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424FDA #DACD42
analogous
#429BDA #424FDA #8142DA
triadic
#424FDA #DA424F #4FDA42
tetradic
#424FDA #DA429B #DACD42 #42DA81
square
#424FDA #DA429B #DACD42 #42DA81
split-complementary
#424FDA #DA8142 #9BDA42
monochromatic
#1A2487 #2431BA #424FDA #757FE4 #A8AEEE

Accessibility & contrast

On white

6.25
#424FDA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.36
#424FDA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FDA
6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424FDA#FFFFFF#000000##FFFFFF
##424FDA1.006.253.366.25
#FFFFFF6.251.0021.001.00
#0000003.3621.001.0021.00
##FFFFFF6.251.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0068DE
Deuteranopia (green-blind)
#005AD7
Tritanopia (blue-blind)
#00738D
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #424fda;
/* rgb */ color: rgb(66, 79, 218);
/* oklch */ color: oklch(50.7% 0.210 272.3);
Tailwind
colors: {
  custom: {
    50: '#8a80e7',
    500: '#424fda',
    950: '#000000',
  },
}
SCSS
$custom: #424fda;
$custom-light: #8a80e7;
$custom-dark: #000000;
JSON
{
  "hex": "#424fda",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 218
  },
  "hsl": {
    "h": 234.868,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.50682,
    "c": 0.20969,
    "h": 272.3
  },
  "luminance": 0.11812
}

Semantic roles & 50–950 ramp

primary
#424FDA
secondary
#DBD69C
accent
#DB3EEA
background
#F9F7FE
surface
#F2EEFD
border
#CCC9D5
text
#0D0A16
muted
#7E7C84

Preview Lab

Preview with #424FDA

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

Preview Lab → · Contrast checker → · Palette generator →

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