#423EAC#423EAC

#423EAC is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.8% C 0.170 H 278.3°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#423EAC
RGB	rgb(66, 62, 172)
HSL	hsl(242, 47%, 46%)
HSV	hsv(242, 64%, 67%)
CMYK	cmyk(61.6%, 64%, 0%, 32.5%)
CIE-LAB	lab(33.09, 35.06, -58.45)
CIE-LCH	lch(33.09, 68.16, 300.96°)
OKLab	oklab(43.77% 0.0246 -0.1683)
OKLCH	oklch(43.77% 0.17 278.3)
XYZ	xyz(11.4134, 7.5812, 39.8836)
Luminance	0.0758 (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

#423EAC #A8AC3E

analogous

#3E71AC #423EAC #793EAC

triadic

#423EAC #AC423E #3EAC42

tetradic

#423EAC #AC3E71 #A8AC3E #3EAC79

square

#423EAC #AC3E71 #A8AC3E #3EAC79

split-complementary

#423EAC #AC793E #71AC3E

monochromatic

#1F1E52 #312E7F #423EAC #6561C6 #918ED6

Accessibility & contrast

On white

8.35

#423EAC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#423EAC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #423EAC

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##423EAC	#FFFFFF	#000000	##FFFFFF
##423EAC	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B0

Deuteranopia (green-blind)

#0049AA

Tritanopia (blue-blind)

#005A6F

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #423eac;
/* rgb */ color: rgb(66, 62, 172);
/* oklch */ color: oklch(43.8% 0.170 278.3);

Tailwind

colors: {
  custom: {
    50: '#8274c6',
    500: '#423eac',
    950: '#000000',
  },
}

SCSS

$custom: #423eac;
$custom-light: #8274c6;
$custom-dark: #000000;

JSON

{
  "hex": "#423eac",
  "rgb": {
    "r": 66,
    "g": 62,
    "b": 172
  },
  "hsl": {
    "h": 242.182,
    "s": 47.009,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43773,
    "c": 0.17009,
    "h": 278.3
  },
  "luminance": 0.07582
}

Semantic roles & 50–950 ramp

primary

#423EAC

secondary

#BFC185

accent

#D751D2

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #423EAC

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

Preview Lab → · Contrast checker → · Palette generator →