#424E89#424E89

#424E89 is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.3% C 0.098 H 273.1°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX#424E89
RGBrgb(66, 78, 137)
HSLhsl(230, 35%, 40%)
HSVhsv(230, 52%, 54%)
CMYKcmyk(51.8%, 43.1%, 0%, 46.3%)
CIE-LABlab(34.83, 12.83, -34.48)
CIE-LCHlch(34.83, 36.79, 290.41°)
OKLaboklab(44.29% 0.0053 -0.0977)
OKLCHoklch(44.29% 0.098 273.1)
XYZxyz(9.4851, 8.4126, 24.7860)
Luminance0.0841 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424E89 #897D42
analogous
#427289 #424E89 #5A4289
triadic
#424E89 #89424E #4E8942
tetradic
#424E89 #894272 #897D42 #42895A
square
#424E89 #894272 #897D42 #42895A
split-complementary
#424E89 #895A42 #728942
monochromatic
#1A1F36 #2E3660 #424E89 #5968AF #828DC3

Accessibility & contrast

On white

7.83
#424E89 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#424E89 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E89
7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424E89#FFFFFF#000000##FFFFFF
##424E891.007.832.687.83
#FFFFFF7.831.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.831.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36558B
Deuteranopia (green-blind)
#2F4F88
Tritanopia (blue-blind)
#245B65
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #424e89;
/* rgb */ color: rgb(66, 78, 137);
/* oklch */ color: oklch(44.3% 0.098 273.1);
Tailwind
colors: {
  custom: {
    50: '#7b7fac',
    500: '#424e89',
    950: '#000000',
  },
}
SCSS
$custom: #424e89;
$custom-light: #7b7fac;
$custom-dark: #000000;
JSON
{
  "hex": "#424e89",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 137
  },
  "hsl": {
    "h": 229.859,
    "s": 34.975,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44291,
    "c": 0.09786,
    "h": 273.1
  },
  "luminance": 0.08413
}

Semantic roles & 50–950 ramp

primary
#424E89
secondary
#AEA579
accent
#B85DCB
background
#F7F7FA
surface
#EEEEF4
border
#C9C9CE
text
#0A0A10
muted
#7C7C7F

Preview Lab

Preview with #424E89

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

Preview Lab → · Contrast checker → · Palette generator →

#424E89 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva