#4234BA#4234BA

#4234BA is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.5% C 0.199 H 278.8°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#4234BA
RGB	rgb(66, 52, 186)
HSL	hsl(246, 56%, 47%)
HSV	hsv(246, 72%, 73%)
CMYK	cmyk(64.5%, 72%, 0%, 27.1%)
CIE-LAB	lab(32.16, 45.54, -68.30)
CIE-LCH	lch(32.16, 82.09, 303.69°)
OKLab	oklab(43.49% 0.0305 -0.1971)
OKLCH	oklch(43.49% 0.199 278.8)
XYZ	xyz(12.3348, 7.1584, 47.1765)
Luminance	0.0716 (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

#4234BA #ACBA34

analogous

#3469BA #4234BA #8534BA

triadic

#4234BA #BA4234 #34BA42

tetradic

#4234BA #BA3469 #ACBA34 #34BA85

square

#4234BA #BA3469 #ACBA34 #34BA85

split-complementary

#4234BA #BA8534 #69BA34

monochromatic

#20195A #31278A #4234BA #675AD1 #938ADE

Accessibility & contrast

On white

8.64

#4234BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4234BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4234BA

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4234BA	#FFFFFF	#000000	##FFFFFF
##4234BA	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4234ba;
/* rgb */ color: rgb(66, 52, 186);
/* oklch */ color: oklch(43.5% 0.199 278.8);

Tailwind

colors: {
  custom: {
    50: '#856dd0',
    500: '#4234ba',
    950: '#000000',
  },
}

SCSS

$custom: #4234ba;
$custom-light: #856dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4234ba",
  "rgb": {
    "r": 66,
    "g": 52,
    "b": 186
  },
  "hsl": {
    "h": 246.269,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43485,
    "c": 0.19948,
    "h": 278.8
  },
  "luminance": 0.07159
}

Semantic roles & 50–950 ramp

primary

#4234BA

secondary

#C1C881

accent

#E048D0

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4234BA

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

Preview Lab → · Contrast checker → · Palette generator →