#423EAE#423EAE

#423EAE is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.173 H 278.1°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#423EAE
RGB	rgb(66, 62, 174)
HSL	hsl(242, 47%, 46%)
HSV	hsv(242, 64%, 68%)
CMYK	cmyk(62.1%, 64.4%, 0%, 31.8%)
CIE-LAB	lab(33.26, 35.73, -59.38)
CIE-LCH	lch(33.26, 69.30, 301.04°)
OKLab	oklab(43.95% 0.0245 -0.171)
OKLCH	oklch(43.95% 0.173 278.1)
XYZ	xyz(11.6069, 7.6586, 40.9028)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#423EAE #AAAE3E

analogous

#3E72AE #423EAE #7A3EAE

triadic

#423EAE #AE423E #3EAE42

tetradic

#423EAE #AE3E72 #AAAE3E #3EAE7A

square

#423EAE #AE3E72 #AAAE3E #3EAE7A

split-complementary

#423EAE #AE7A3E #72AE3E

monochromatic

#201E54 #312E81 #423EAE #6662C7 #928FD7

Accessibility & contrast

On white

8.29

#423EAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#423EAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EAE

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EAE	#FFFFFF	#000000	##FFFFFF
##423EAE	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B2

Deuteranopia (green-blind)

#004AAC

Tritanopia (blue-blind)

#005A70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #423eae;
/* rgb */ color: rgb(66, 62, 174);
/* oklch */ color: oklch(43.9% 0.173 278.1);

Tailwind

colors: {
  custom: {
    50: '#8274c7',
    500: '#423eae',
    950: '#000000',
  },
}

SCSS

$custom: #423eae;
$custom-light: #8274c7;
$custom-dark: #000000;

JSON

{
  "hex": "#423eae",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 174
  },
  "hsl": {
    "h": 242.143,
    "s": 47.458,
    "l": 46.275
  },
  "oklch": {
    "l": 0.43946,
    "c": 0.17273,
    "h": 278.1
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#423EAE

secondary

#C0C286

accent

#D751D2

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423EAE

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

Preview Lab → · Contrast checker → · Palette generator →