#423DDA#423DDA

#423DDA is a mid, highly saturated blue. Relative luminance 0.096; OKLCH L 47.9% C 0.229 H 274.8°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#423DDA
RGB	rgb(66, 61, 218)
HSL	hsl(242, 68%, 55%)
HSV	hsv(242, 72%, 85%)
CMYK	cmyk(69.7%, 72%, 0%, 14.5%)
CIE-LAB	lab(37.03, 50.70, -78.92)
CIE-LCH	lch(37.03, 93.80, 302.72°)
OKLab	oklab(47.88% 0.0193 -0.2282)
OKLCH	oklch(47.88% 0.229 274.8)
XYZ	xyz(16.5662, 9.5561, 67.2875)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.93

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423DDA #D5DA3D

analogous

#3D86DA #423DDA #913DDA

triadic

#423DDA #DA423D #3DDA42

tetradic

#423DDA #DA3D86 #D5DA3D #3DDA91

square

#423DDA #DA3D86 #D5DA3D #3DDA91

split-complementary

#423DDA #DA913D #86DA3D

monochromatic

#1C1984 #2823B7 #423DDA #7470E4 #A6A4EE

Accessibility & contrast

On white

7.21

#423DDA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#423DDA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423DDA

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423DDA	#FFFFFF	#000000	##FFFFFF
##423DDA	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EDF

Deuteranopia (green-blind)

#0050D7

Tritanopia (blue-blind)

#006988

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #423dda;
/* rgb */ color: rgb(66, 61, 218);
/* oklch */ color: oklch(47.9% 0.229 274.8);

Tailwind

colors: {
  custom: {
    50: '#8b74e7',
    500: '#423dda',
    950: '#000000',
  },
}

SCSS

$custom: #423dda;
$custom-light: #8b74e7;
$custom-dark: #000000;

JSON

{
  "hex": "#423dda",
  "rgb": {
    "r": 66,
    "g": 61,
    "b": 218
  },
  "hsl": {
    "h": 241.911,
    "s": 67.965,
    "l": 54.706
  },
  "oklch": {
    "l": 0.47879,
    "c": 0.22898,
    "h": 274.8
  },
  "luminance": 0.09558
}

Semantic roles & 50–950 ramp

primary

#423DDA

secondary

#D8DB98

accent

#EB3DE5

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0816

muted

#7E7B84

Preview Lab

Preview with #423DDA

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

Preview Lab → · Contrast checker → · Palette generator →