#4333AA#4333AA

#4333AA is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.9% C 0.180 H 281.4°. Best body text is #FFFFFF at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#4333AA
RGB	rgb(67, 51, 170)
HSL	hsl(248, 54%, 43%)
HSV	hsv(248, 70%, 67%)
CMYK	cmyk(60.6%, 70%, 0%, 33.3%)
CIE-LAB	lab(30.55, 41.17, -61.42)
CIE-LCH	lch(30.55, 73.94, 303.83°)
OKLab	oklab(41.9% 0.0355 -0.177)
OKLCH	oklch(41.9% 0.18 281.4)
XYZ	xyz(10.7520, 6.4625, 38.7032)
Luminance	0.0646 (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

#4333AA #9AAA33

analogous

#335EAA #4333AA #7E33AA

triadic

#4333AA #AA4333 #33AA43

tetradic

#4333AA #AA335E #9AAA33 #33AA7E

square

#4333AA #AA335E #9AAA33 #33AA7E

split-complementary

#4333AA #AA7E33 #5EAA33

monochromatic

#1E174C #30257B #4333AA #6050CA #8B7FD9

Accessibility & contrast

On white

9.16

#4333AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#4333AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4333AA

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4333AA	#FFFFFF	#000000	##FFFFFF
##4333AA	1.00	9.16	2.29	9.16
#FFFFFF	9.16	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004CAE

Deuteranopia (green-blind)

#0044A8

Tritanopia (blue-blind)

#00536A

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #4333aa;
/* rgb */ color: rgb(67, 51, 170);
/* oklch */ color: oklch(41.9% 0.180 281.4);

Tailwind

colors: {
  custom: {
    50: '#836cc4',
    500: '#4333aa',
    950: '#000000',
  },
}

SCSS

$custom: #4333aa;
$custom-light: #836cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#4333aa",
  "rgb": {
    "r": 67,
    "g": 51,
    "b": 170
  },
  "hsl": {
    "h": 248.067,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.41898,
    "c": 0.18049,
    "h": 281.4
  },
  "luminance": 0.06463
}

Semantic roles & 50–950 ramp

primary

#4333AA

secondary

#B8C277

accent

#DD4BCA

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4333AA

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

Preview Lab → · Contrast checker → · Palette generator →