#4042AE#4042AE

#4042AE is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.168 H 276.3°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#4042AE
RGB	rgb(64, 66, 174)
HSL	hsl(239, 46%, 47%)
HSV	hsv(239, 63%, 68%)
CMYK	cmyk(63.2%, 62.1%, 0%, 31.8%)
CIE-LAB	lab(34.07, 32.91, -58.06)
CIE-LCH	lch(34.07, 66.74, 299.54°)
OKLab	oklab(44.5% 0.0185 -0.1672)
OKLCH	oklch(44.5% 0.168 276.3)
XYZ	xyz(11.7001, 8.0415, 40.9718)
Luminance	0.0804 (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

#4042AE #AEAC40

analogous

#4079AE #4042AE #7540AE

triadic

#4042AE #AE4042 #42AE40

tetradic

#4042AE #AE4079 #AEAC40 #40AE75

square

#4042AE #AE4079 #AEAC40 #40AE75

split-complementary

#4042AE #AE7540 #79AE40

monochromatic

#1F2055 #303181 #4042AE #6567C6 #9293D7

Accessibility & contrast

On white

8.05

#4042AE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#4042AE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4042AE

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4042AE	#FFFFFF	#000000	##FFFFFF
##4042AE	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B2

Deuteranopia (green-blind)

#004BAC

Tritanopia (blue-blind)

#005D71

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #4042ae;
/* rgb */ color: rgb(64, 66, 174);
/* oklch */ color: oklch(44.5% 0.168 276.3);

Tailwind

colors: {
  custom: {
    50: '#8176c7',
    500: '#4042ae',
    950: '#000000',
  },
}

SCSS

$custom: #4042ae;
$custom-light: #8176c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4042ae",
  "rgb": {
    "r": 64,
    "g": 66,
    "b": 174
  },
  "hsl": {
    "h": 238.909,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.445,
    "c": 0.1682,
    "h": 276.3
  },
  "luminance": 0.08042
}

Semantic roles & 50–950 ramp

primary

#4042AE

secondary

#C2C188

accent

#D352D6

background

#F8F7FC

surface

#F0EDF8

border

#CBC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #4042AE

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

Preview Lab → · Contrast checker → · Palette generator →