#4333BC#4333BC

#4333BC is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.6% C 0.203 H 279.1°. Best body text is #FFFFFF at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#4333BC
RGB	rgb(67, 51, 188)
HSL	hsl(247, 57%, 47%)
HSV	hsv(247, 73%, 74%)
CMYK	cmyk(64.4%, 72.9%, 0%, 26.3%)
CIE-LAB	lab(32.24, 46.84, -69.36)
CIE-LCH	lch(32.24, 83.69, 304.03°)
OKLab	oklab(43.61% 0.0321 -0.2002)
OKLCH	oklch(43.61% 0.203 279.1)
XYZ	xyz(12.5728, 7.1908, 48.2926)
Luminance	0.0719 (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

#4333BC #ACBC33

analogous

#3368BC #4333BC #8833BC

triadic

#4333BC #BC4333 #33BC43

tetradic

#4333BC #BC3368 #ACBC33 #33BC88

square

#4333BC #BC3368 #ACBC33 #33BC88

split-complementary

#4333BC #BC8833 #68BC33

monochromatic

#21195C #32268C #4333BC #685AD2 #948ADF

Accessibility & contrast

On white

8.61

#4333BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#4333BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333BC

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333BC	#FFFFFF	#000000	##FFFFFF
##4333BC	1.00	8.61	2.44	8.61
#FFFFFF	8.61	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051C0

Deuteranopia (green-blind)

#0046B9

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4333bc;
/* rgb */ color: rgb(67, 51, 188);
/* oklch */ color: oklch(43.6% 0.203 279.1);

Tailwind

colors: {
  custom: {
    50: '#866dd1',
    500: '#4333bc',
    950: '#000000',
  },
}

SCSS

$custom: #4333bc;
$custom-light: #866dd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4333bc",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 188
  },
  "hsl": {
    "h": 247.007,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.43614,
    "c": 0.20275,
    "h": 279.1
  },
  "luminance": 0.07192
}

Semantic roles & 50–950 ramp

primary

#4333BC

secondary

#C1C981

accent

#E147CF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4333BC

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

Preview Lab → · Contrast checker → · Palette generator →