#4333B8#4333B8

#4333B8 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 43.2% C 0.198 H 279.6°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#4333B8
RGB	rgb(67, 51, 184)
HSL	hsl(247, 57%, 46%)
HSV	hsv(247, 72%, 72%)
CMYK	cmyk(63.6%, 72.3%, 0%, 27.8%)
CIE-LAB	lab(31.85, 45.59, -67.62)
CIE-LCH	lch(31.85, 81.55, 303.99°)
OKLab	oklab(43.23% 0.0329 -0.1951)
OKLCH	oklch(43.23% 0.198 279.6)
XYZ	xyz(12.1475, 7.0207, 46.0531)
Luminance	0.0702 (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

#4333B8 #A8B833

analogous

#3365B8 #4333B8 #8533B8

triadic

#4333B8 #B84333 #33B843

tetradic

#4333B8 #B83365 #A8B833 #33B885

square

#4333B8 #B83365 #A8B833 #33B885

split-complementary

#4333B8 #B88533 #65B833

monochromatic

#201858 #322688 #4333B8 #6658D1 #9288DE

Accessibility & contrast

On white

8.73

#4333B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4333B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333B8

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333B8	#FFFFFF	#000000	##FFFFFF
##4333B8	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050BC

Deuteranopia (green-blind)

#0046B6

Tritanopia (blue-blind)

#005872

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4333b8;
/* rgb */ color: rgb(67, 51, 184);
/* oklch */ color: oklch(43.2% 0.198 279.6);

Tailwind

colors: {
  custom: {
    50: '#866dce',
    500: '#4333b8',
    950: '#000000',
  },
}

SCSS

$custom: #4333b8;
$custom-light: #866dce;
$custom-dark: #000000;

JSON

{
  "hex": "#4333b8",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 184
  },
  "hsl": {
    "h": 247.218,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43226,
    "c": 0.19788,
    "h": 279.6
  },
  "luminance": 0.07022
}

Semantic roles & 50–950 ramp

primary

#4333B8

secondary

#BFC87F

accent

#E048CE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4333B8

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

Preview Lab → · Contrast checker → · Palette generator →