#423C80#423C80

#423C80 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.9% C 0.111 H 284.2°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX#423C80
RGBrgb(66, 60, 128)
HSLhsl(245, 36%, 37%)
HSVhsv(245, 53%, 50%)
CMYKcmyk(48.4%, 53.1%, 0%, 49.8%)
CIE-LABlab(29.28, 21.71, -37.77)
CIE-LCHlch(29.28, 43.57, 299.89°)
OKLaboklab(39.91% 0.0272 -0.1075)
OKLCHoklch(39.91% 0.111 284.2)
XYZxyz(7.7578, 5.9481, 21.1572)
Luminance0.0595 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423C80 #7A803C
analogous
#3C5880 #423C80 #643C80
triadic
#423C80 #80423C #3C8042
tetradic
#423C80 #803C58 #7A803C #3C8064
square
#423C80 #803C58 #7A803C #3C8064
split-complementary
#423C80 #80643C #58803C
monochromatic
#17152D #2D2856 #423C80 #5750AA #7D77BF

Accessibility & contrast

On white

9.59
#423C80 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.19
#423C80 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423C80
9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423C80#FFFFFF#000000##FFFFFF
##423C801.009.592.199.59
#FFFFFF9.591.0021.001.00
#0000002.1921.001.0021.00
##FFFFFF9.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C4782
Deuteranopia (green-blind)
#19437F
Tritanopia (blue-blind)
#2D4B58
Achromatopsia (no color)
#454545

Design tokens & code

CSS
--color: #423c80;
/* rgb */ color: rgb(66, 60, 128);
/* oklch */ color: oklch(39.9% 0.111 284.2);
Tailwind
colors: {
  custom: {
    50: '#7b71a5',
    500: '#423c80',
    950: '#000000',
  },
}
SCSS
$custom: #423c80;
$custom-light: #7b71a5;
$custom-dark: #000000;
JSON
{
  "hex": "#423c80",
  "rgb": {
    "r": 66,
    "g": 60,
    "b": 128
  },
  "hsl": {
    "h": 245.294,
    "s": 36.17,
    "l": 36.863
  },
  "oklch": {
    "l": 0.39907,
    "c": 0.11087,
    "h": 284.2
  },
  "luminance": 0.05948
}

Semantic roles & 50–950 ramp

primary
#423C80
secondary
#A4A96F
accent
#CC5CC2
background
#F7F6FA
surface
#EEECF4
border
#C9C7CE
text
#0A070F
muted
#7C7A7F

Preview Lab

Preview with #423C80

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

Preview Lab → · Contrast checker → · Palette generator →

#423C80 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva