#424F7C#424F7C

#424F7C is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.7% C 0.076 H 270.8°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#424F7C
RGBrgb(66, 79, 124)
HSLhsl(227, 31%, 37%)
HSVhsv(227, 47%, 49%)
CMYKcmyk(46.8%, 36.3%, 0%, 51.4%)
CIE-LABlab(34.41, 7.89, -27.14)
CIE-LCHlch(34.41, 28.27, 286.21°)
OKLaboklab(43.73% 0.001 -0.0763)
OKLCHoklch(43.73% 0.076 270.8)
XYZxyz(8.6797, 8.2050, 20.1912)
Luminance0.0820 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#424F7C #7C6F42
analogous
#426C7C #424F7C #52427C
triadic
#424F7C #7C424F #4F7C42
tetradic
#424F7C #7C426C #7C6F42 #427C52
square
#424F7C #7C426C #7C6F42 #427C52
split-complementary
#424F7C #7C5242 #6C7C42
monochromatic
#171C2C #2D3654 #424F7C #5768A4 #7E8CBA

Accessibility & contrast

On white

7.95
#424F7C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#424F7C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F7C
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##424F7C#FFFFFF#000000##FFFFFF
##424F7C1.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F547E
Deuteranopia (green-blind)
#394F7B
Tritanopia (blue-blind)
#2D585F
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #424f7c;
/* rgb */ color: rgb(66, 79, 124);
/* oklch */ color: oklch(43.7% 0.076 270.8);
Tailwind
colors: {
  custom: {
    50: '#7980a2',
    500: '#424f7c',
    950: '#000000',
  },
}
SCSS
$custom: #424f7c;
$custom-light: #7980a2;
$custom-dark: #000000;
JSON
{
  "hex": "#424f7c",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 124
  },
  "hsl": {
    "h": 226.552,
    "s": 30.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.43734,
    "c": 0.07631,
    "h": 270.8
  },
  "luminance": 0.08205
}

Semantic roles & 50–950 ramp

primary
#424F7C
secondary
#A59A75
accent
#B061C7
background
#F7F7FA
surface
#EEEEF3
border
#C9C9CD
text
#090A0F
muted
#7B7C7F

Preview Lab

Preview with #424F7C

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

Preview Lab → · Contrast checker → · Palette generator →

#424F7C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva