#4234AB#4234AB

#4234AB is a dark, vivid blue. Relative luminance 0.066; OKLCH L 42.1% C 0.181 H 280.6°. Best body text is #FFFFFF at 9.09:1 contrast (WCAG AA passes).

Color values

HEX	#4234AB
RGB	rgb(66, 52, 171)
HSL	hsl(247, 53%, 44%)
HSV	hsv(247, 70%, 67%)
CMYK	cmyk(61.4%, 69.6%, 0%, 32.9%)
CIE-LAB	lab(30.77, 40.76, -61.66)
CIE-LCH	lch(30.77, 73.92, 303.47°)
OKLab	oklab(42.06% 0.0332 -0.1777)
OKLCH	oklch(42.06% 0.181 280.6)
XYZ	xyz(10.8231, 6.5537, 39.2148)
Luminance	0.0655 (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

#4234AB #9DAB34

analogous

#3461AB #4234AB #7D34AB

triadic

#4234AB #AB4234 #34AB42

tetradic

#4234AB #AB3461 #9DAB34 #34AB7D

square

#4234AB #AB3461 #9DAB34 #34AB7D

split-complementary

#4234AB #AB7D34 #61AB34

monochromatic

#1E174D #30267C #4234AB #6052CA #8B81D9

Accessibility & contrast

On white

9.09

#4234AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#4234AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4234AB

9.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4234AB	#FFFFFF	#000000	##FFFFFF
##4234AB	1.00	9.09	2.31	9.09
#FFFFFF	9.09	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DAF

Deuteranopia (green-blind)

#0044A9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4234ab;
/* rgb */ color: rgb(66, 52, 171);
/* oklch */ color: oklch(42.1% 0.181 280.6);

Tailwind

colors: {
  custom: {
    50: '#836dc5',
    500: '#4234ab',
    950: '#000000',
  },
}

SCSS

$custom: #4234ab;
$custom-light: #836dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#4234ab",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 171
  },
  "hsl": {
    "h": 247.059,
    "s": 53.363,
    "l": 43.725
  },
  "oklch": {
    "l": 0.42062,
    "c": 0.18078,
    "h": 280.6
  },
  "luminance": 0.06555
}

Semantic roles & 50–950 ramp

primary

#4234AB

secondary

#B9C279

accent

#DD4BCC

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4234AB

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

Preview Lab → · Contrast checker → · Palette generator →