#423EAF#423EAF

#423EAF is a dark, vivid blue. Relative luminance 0.077; OKLCH L 44.0% C 0.174 H 278.1°. Best body text is #FFFFFF at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#423EAF
RGB	rgb(66, 62, 175)
HSL	hsl(242, 48%, 46%)
HSV	hsv(242, 65%, 69%)
CMYK	cmyk(62.3%, 64.6%, 0%, 31.4%)
CIE-LAB	lab(33.35, 36.06, -59.83)
CIE-LCH	lch(33.35, 69.86, 301.08°)
OKLab	oklab(44.03% 0.0244 -0.1723)
OKLCH	oklch(44.03% 0.174 278.1)
XYZ	xyz(11.7048, 7.6977, 41.4181)
Luminance	0.0770 (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

#423EAF #ABAF3E

analogous

#3E73AF #423EAF #7B3EAF

triadic

#423EAF #AF423E #3EAF42

tetradic

#423EAF #AF3E73 #ABAF3E #3EAF7B

square

#423EAF #AF3E73 #ABAF3E #3EAF7B

split-complementary

#423EAF #AF7B3E #73AF3E

monochromatic

#201E55 #312E82 #423EAF #6663C8 #9290D8

Accessibility & contrast

On white

8.27

#423EAF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#423EAF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EAF

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EAF	#FFFFFF	#000000	##FFFFFF
##423EAF	1.00	8.27	2.54	8.27
#FFFFFF	8.27	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B3

Deuteranopia (green-blind)

#004AAD

Tritanopia (blue-blind)

#005B71

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #423eaf;
/* rgb */ color: rgb(66, 62, 175);
/* oklch */ color: oklch(44.0% 0.174 278.1);

Tailwind

colors: {
  custom: {
    50: '#8374c8',
    500: '#423eaf',
    950: '#000000',
  },
}

SCSS

$custom: #423eaf;
$custom-light: #8374c8;
$custom-dark: #000000;

JSON

{
  "hex": "#423eaf",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 175
  },
  "hsl": {
    "h": 242.124,
    "s": 47.679,
    "l": 46.471
  },
  "oklch": {
    "l": 0.44033,
    "c": 0.17406,
    "h": 278.1
  },
  "luminance": 0.07699
}

Semantic roles & 50–950 ramp

primary

#423EAF

secondary

#C0C386

accent

#D751D3

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423EAF

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

Preview Lab → · Contrast checker → · Palette generator →