#4034BA#4034BA

#4034BA is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.3% C 0.200 H 278.0°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#4034BA
RGB	rgb(64, 52, 186)
HSL	hsl(245, 56%, 47%)
HSV	hsv(245, 72%, 73%)
CMYK	cmyk(65.6%, 72%, 0%, 27.1%)
CIE-LAB	lab(32.01, 45.29, -68.55)
CIE-LCH	lch(32.01, 82.16, 303.45°)
OKLab	oklab(43.34% 0.0279 -0.1979)
OKLCH	oklch(43.34% 0.2 278)
XYZ	xyz(12.2024, 7.0901, 47.1703)
Luminance	0.0709 (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

#4034BA #AEBA34

analogous

#346BBA #4034BA #8334BA

triadic

#4034BA #BA4034 #34BA40

tetradic

#4034BA #BA346B #AEBA34 #34BA83

square

#4034BA #BA346B #AEBA34 #34BA83

split-complementary

#4034BA #BA8334 #6BBA34

monochromatic

#1F195A #30278A #4034BA #655AD1 #928ADE

Accessibility & contrast

On white

8.68

#4034BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#4034BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4034BA

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4034BA	#FFFFFF	#000000	##FFFFFF
##4034BA	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BE

Deuteranopia (green-blind)

#0046B8

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4034ba;
/* rgb */ color: rgb(64, 52, 186);
/* oklch */ color: oklch(43.3% 0.200 278.0);

Tailwind

colors: {
  custom: {
    50: '#856dd0',
    500: '#4034ba',
    950: '#000000',
  },
}

SCSS

$custom: #4034ba;
$custom-light: #856dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4034ba",
  "rgb": {
    "r": 64,
    "g": 52,
    "b": 186
  },
  "hsl": {
    "h": 245.373,
    "s": 56.303,
    "l": 46.667
  },
  "oklch": {
    "l": 0.43336,
    "c": 0.19989,
    "h": 278
  },
  "luminance": 0.07091
}

Semantic roles & 50–950 ramp

primary

#4034BA

secondary

#C2C881

accent

#E048D2

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4034BA

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

Preview Lab → · Contrast checker → · Palette generator →