#424A87#424A87

#424A87 is a dark, moderate blue. Relative luminance 0.078; OKLCH L 43.3% C 0.101 H 275.7°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#424A87
RGBrgb(66, 74, 135)
HSLhsl(233, 34%, 39%)
HSVhsv(233, 51%, 53%)
CMYKcmyk(51.1%, 45.2%, 0%, 47.1%)
CIE-LABlab(33.57, 14.79, -35.25)
CIE-LCHlch(33.57, 38.23, 292.76°)
OKLaboklab(43.29% 0.0101 -0.1)
OKLCHoklch(43.29% 0.101 275.7)
XYZxyz(9.0673, 7.8045, 23.9456)
Luminance0.0780 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424A87 #877F42
analogous
#426D87 #424A87 #5D4287
triadic
#424A87 #87424A #4A8742
tetradic
#424A87 #87426D #877F42 #42875D
square
#424A87 #87426D #877F42 #42875D
split-complementary
#424A87 #875D42 #6D8742
monochromatic
#1A1D35 #2E335E #424A87 #5962AE #8289C2

Accessibility & contrast

On white

8.20
#424A87 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#424A87 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A87
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424A87#FFFFFF#000000##FFFFFF
##424A871.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#315289
Deuteranopia (green-blind)
#2B4C86
Tritanopia (blue-blind)
#265762
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #424a87;
/* rgb */ color: rgb(66, 74, 135);
/* oklch */ color: oklch(43.3% 0.101 275.7);
Tailwind
colors: {
  custom: {
    50: '#7b7caa',
    500: '#424a87',
    950: '#000000',
  },
}
SCSS
$custom: #424a87;
$custom-light: #7b7caa;
$custom-dark: #000000;
JSON
{
  "hex": "#424a87",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 135
  },
  "hsl": {
    "h": 233.043,
    "s": 34.328,
    "l": 39.412
  },
  "oklch": {
    "l": 0.43294,
    "c": 0.1005,
    "h": 275.7
  },
  "luminance": 0.07805
}

Semantic roles & 50–950 ramp

primary
#424A87
secondary
#ACA678
accent
#BE5DCA
background
#F7F7FA
surface
#EEEEF4
border
#C9C9CE
text
#0A0910
muted
#7C7B7F

Preview Lab

Preview with #424A87

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

Preview Lab → · Contrast checker → · Palette generator →

#424A87 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva