#424E7D#424E7D

#424E7D is a dark, moderate blue. Relative luminance 0.081; OKLCH L 43.6% C 0.079 H 271.9°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#424E7D
RGBrgb(66, 78, 125)
HSLhsl(228, 31%, 37%)
HSVhsv(228, 47%, 49%)
CMYKcmyk(47.2%, 37.6%, 0%, 51%)
CIE-LABlab(34.16, 8.87, -28.14)
CIE-LCHlch(34.16, 29.51, 287.49°)
OKLaboklab(43.56% 0.0026 -0.0792)
OKLCHoklch(43.56% 0.079 271.9)
XYZxyz(8.6717, 8.0872, 20.5021)
Luminance0.0809 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424E7D #7D7142
analogous
#426B7D #424E7D #54427D
triadic
#424E7D #7D424E #4E7D42
tetradic
#424E7D #7D426B #7D7142 #427D54
square
#424E7D #7D426B #7D7142 #427D54
split-complementary
#424E7D #7D5442 #6B7D42
monochromatic
#181C2D #2D3555 #424E7D #5767A5 #7E8BBB

Accessibility & contrast

On white

8.02
#424E7D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#424E7D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E7D
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424E7D#FFFFFF#000000##FFFFFF
##424E7D1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D537F
Deuteranopia (green-blind)
#374E7C
Tritanopia (blue-blind)
#2D585F
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #424e7d;
/* rgb */ color: rgb(66, 78, 125);
/* oklch */ color: oklch(43.6% 0.079 271.9);
Tailwind
colors: {
  custom: {
    50: '#7a7fa3',
    500: '#424e7d',
    950: '#000000',
  },
}
SCSS
$custom: #424e7d;
$custom-light: #7a7fa3;
$custom-dark: #000000;
JSON
{
  "hex": "#424e7d",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 125
  },
  "hsl": {
    "h": 227.797,
    "s": 30.89,
    "l": 37.451
  },
  "oklch": {
    "l": 0.43564,
    "c": 0.07925,
    "h": 271.9
  },
  "luminance": 0.08088
}

Semantic roles & 50–950 ramp

primary
#424E7D
secondary
#A69C75
accent
#B261C7
background
#F7F7FA
surface
#EEEEF3
border
#C9C9CD
text
#090A0F
muted
#7B7C7F

Preview Lab

Preview with #424E7D

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

Preview Lab → · Contrast checker → · Palette generator →

#424E7D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva