#424E90#424E90

#424E90 is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.7% C 0.109 H 273.5°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX#424E90
RGBrgb(66, 78, 144)
HSLhsl(231, 37%, 41%)
HSVhsv(231, 54%, 56%)
CMYKcmyk(54.2%, 45.8%, 0%, 43.5%)
CIE-LABlab(35.24, 15.20, -38.10)
CIE-LCHlch(35.24, 41.02, 291.75°)
OKLaboklab(44.74% 0.0066 -0.1083)
OKLCHoklch(44.74% 0.109 273.5)
XYZxyz(10.0036, 8.6200, 27.5168)
Luminance0.0862 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424E90 #908442
analogous
#427590 #424E90 #5D4290
triadic
#424E90 #90424E #4E9042
tetradic
#424E90 #904275 #908442 #42905D
square
#424E90 #904275 #908442 #42905D
split-complementary
#424E90 #905D42 #759042
monochromatic
#1C213C #2F3766 #424E90 #5B69B4 #858FC7

Accessibility & contrast

On white

7.71
#424E90 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.72
#424E90 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E90
7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424E90#FFFFFF#000000##FFFFFF
##424E901.007.712.727.71
#FFFFFF7.711.0021.001.00
#0000002.7221.001.0021.00
##FFFFFF7.711.0021.001.00

Color blindness preview

Protanopia (red-blind)
#325692
Deuteranopia (green-blind)
#29508F
Tritanopia (blue-blind)
#1E5C68
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #424e90;
/* rgb */ color: rgb(66, 78, 144);
/* oklch */ color: oklch(44.7% 0.109 273.5);
Tailwind
colors: {
  custom: {
    50: '#7c7fb1',
    500: '#424e90',
    950: '#000000',
  },
}
SCSS
$custom: #424e90;
$custom-light: #7c7fb1;
$custom-dark: #000000;
JSON
{
  "hex": "#424e90",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 144
  },
  "hsl": {
    "h": 230.769,
    "s": 37.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.44742,
    "c": 0.10851,
    "h": 273.5
  },
  "luminance": 0.08621
}

Semantic roles & 50–950 ramp

primary
#424E90
secondary
#B2AA7C
accent
#BC5BCD
background
#F7F7FA
surface
#EEEEF5
border
#C9C9CF
text
#0A0A10
muted
#7C7C7F

Preview Lab

Preview with #424E90

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

Preview Lab → · Contrast checker → · Palette generator →

#424E90 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva