#423AE1#423AE1

#423AE1 is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 48.2% C 0.240 H 274.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX#423AE1
RGBrgb(66, 58, 225)
HSLhsl(243, 74%, 55%)
HSVhsv(243, 74%, 88%)
CMYKcmyk(70.7%, 74.2%, 0%, 11.8%)
CIE-LABlab(37.15, 54.52, -82.74)
CIE-LCHlch(37.15, 99.08, 303.38°)
OKLaboklab(48.17% 0.0195 -0.2393)
OKLCHoklch(48.17% 0.24 274.7)
XYZxyz(17.3459, 9.6189, 72.1621)
Luminance0.0962 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423AE1 #D9E13A
analogous
#3A86E1 #423AE1 #953AE1
triadic
#423AE1 #E1423A #3AE142
tetradic
#423AE1 #E13A86 #D9E13A #3AE195
square
#423AE1 #E13A86 #D9E13A #3AE195
split-complementary
#423AE1 #E1953A #86E13A
monochromatic
#1B158B #251DC0 #423AE1 #756FE9 #A8A4F1

Accessibility & contrast

On white

7.18
#423AE1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.92
#423AE1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423AE1
7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423AE1#FFFFFF#000000##FFFFFF
##423AE11.007.182.927.18
#FFFFFF7.181.0021.001.00
#0000002.9221.001.0021.00
##FFFFFF7.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FE6
Deuteranopia (green-blind)
#0050DE
Tritanopia (blue-blind)
#006B8B
Achromatopsia (no color)
#575757

Design tokens & code

CSS
--color: #423ae1;
/* rgb */ color: rgb(66, 58, 225);
/* oklch */ color: oklch(48.2% 0.240 274.7);
Tailwind
colors: {
  custom: {
    50: '#8d73ec',
    500: '#423ae1',
    950: '#000000',
  },
}
SCSS
$custom: #423ae1;
$custom-light: #8d73ec;
$custom-dark: #000000;
JSON
{
  "hex": "#423ae1",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 225
  },
  "hsl": {
    "h": 242.874,
    "s": 73.568,
    "l": 55.49
  },
  "oklch": {
    "l": 0.48167,
    "c": 0.24006,
    "h": 274.7
  },
  "luminance": 0.09621
}

Semantic roles & 50–950 ramp

primary
#423AE1
secondary
#DBDE99
accent
#F038E7
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #423AE1

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

Preview Lab → · Contrast checker → · Palette generator →

#423AE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva