#423BE1#423BE1

#423BE1 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.3% C 0.239 H 274.6°. Best body text is #FFFFFF at 7.13:1 contrast (WCAG AA passes).

Color values

HEX#423BE1
RGBrgb(66, 59, 225)
HSLhsl(243, 73%, 56%)
HSVhsv(243, 74%, 88%)
CMYKcmyk(70.7%, 73.8%, 0%, 11.8%)
CIE-LABlab(37.34, 53.99, -82.43)
CIE-LCHlch(37.34, 98.54, 303.22°)
OKLaboklab(48.3% 0.019 -0.2384)
OKLCHoklch(48.3% 0.239 274.6)
XYZxyz(17.3968, 9.7207, 72.1790)
Luminance0.0972 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#423BE1 #DAE13B
analogous
#3B87E1 #423BE1 #953BE1
triadic
#423BE1 #E1423B #3BE142
tetradic
#423BE1 #E13B87 #DAE13B #3BE195
square
#423BE1 #E13B87 #DAE13B #3BE195
split-complementary
#423BE1 #E1953B #87E13B
monochromatic
#1A158C #241EC1 #423BE1 #7570E9 #A8A5F1

Accessibility & contrast

On white

7.13
#423BE1 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.94
#423BE1 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423BE1
7.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##423BE1#FFFFFF#000000##FFFFFF
##423BE11.007.132.947.13
#FFFFFF7.131.0021.001.00
#0000002.9421.001.0021.00
##FFFFFF7.131.0021.001.00

Color blindness preview

Protanopia (red-blind)
#005FE6
Deuteranopia (green-blind)
#0050DE
Tritanopia (blue-blind)
#006B8B
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #423be1;
/* rgb */ color: rgb(66, 59, 225);
/* oklch */ color: oklch(48.3% 0.239 274.6);
Tailwind
colors: {
  custom: {
    50: '#8d73ec',
    500: '#423be1',
    950: '#000000',
  },
}
SCSS
$custom: #423be1;
$custom-light: #8d73ec;
$custom-dark: #000000;
JSON
{
  "hex": "#423be1",
  "rgb": {
    "r": 66,
    "g": 59,
    "b": 225
  },
  "hsl": {
    "h": 242.53,
    "s": 73.451,
    "l": 55.686
  },
  "oklch": {
    "l": 0.48299,
    "c": 0.23914,
    "h": 274.6
  },
  "luminance": 0.09722
}

Semantic roles & 50–950 ramp

primary
#423BE1
secondary
#DBDE99
accent
#F038E8
background
#F9F7FE
surface
#F2EDFD
border
#CCC8D5
text
#0E0816
muted
#7E7B84

Preview Lab

Preview with #423BE1

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

Preview Lab → · Contrast checker → · Palette generator →

#423BE1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva