#423AE2#423AE2

#423AE2 is a mid, highly saturated blue. Relative luminance 0.097; OKLCH L 48.3% C 0.241 H 274.6°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#423AE2
RGB	rgb(66, 58, 226)
HSL	hsl(243, 74%, 56%)
HSV	hsv(243, 74%, 89%)
CMYK	cmyk(70.8%, 74.3%, 0%, 11.4%)
CIE-LAB	lab(37.25, 54.83, -83.14)
CIE-LCH	lch(37.25, 99.59, 303.40°)
OKLab	oklab(48.27% 0.0193 -0.2404)
OKLCH	oklch(48.27% 0.241 274.6)
XYZ	xyz(17.4827, 9.6736, 72.8826)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 3.71

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423AE2 #DAE23A

analogous

#3A86E2 #423AE2 #963AE2

triadic

#423AE2 #E2423A #3AE242

tetradic

#423AE2 #E23A86 #DAE23A #3AE296

square

#423AE2 #E23A86 #DAE23A #3AE296

split-complementary

#423AE2 #E2963A #86E23A

monochromatic

#1A158D #241DC2 #423AE2 #756FEA #A8A5F2

Accessibility & contrast

On white

7.16

#423AE2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#423AE2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423AE2

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423AE2	#FFFFFF	#000000	##FFFFFF
##423AE2	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FE7

Deuteranopia (green-blind)

#0050DF

Tritanopia (blue-blind)

#006B8C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #423ae2;
/* rgb */ color: rgb(66, 58, 226);
/* oklch */ color: oklch(48.3% 0.241 274.6);

Tailwind

colors: {
  custom: {
    50: '#8d73ed',
    500: '#423ae2',
    950: '#000000',
  },
}

SCSS

$custom: #423ae2;
$custom-light: #8d73ed;
$custom-dark: #000000;

JSON

{
  "hex": "#423ae2",
  "rgb": {
    "r": 66,
    "g": 58,
    "b": 226
  },
  "hsl": {
    "h": 242.857,
    "s": 74.336,
    "l": 55.686
  },
  "oklch": {
    "l": 0.48268,
    "c": 0.24122,
    "h": 274.6
  },
  "luminance": 0.09675
}

Semantic roles & 50–950 ramp

primary

#423AE2

secondary

#DBDF99

accent

#F137E8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #423AE2

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

Preview Lab → · Contrast checker → · Palette generator →