#4338BB#4338BB

#4338BB is a dark, vivid blue. Relative luminance 0.076; OKLCH L 44.2% C 0.196 H 278.5°. Best body text is #FFFFFF at 8.33:1 contrast (WCAG AA passes).

Color values

HEX	#4338BB
RGB	rgb(67, 56, 187)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 73%)
CMYK	cmyk(64.2%, 70.1%, 0%, 26.7%)
CIE-LAB	lab(33.15, 43.72, -67.26)
CIE-LCH	lch(33.15, 80.22, 303.02°)
OKLab	oklab(44.24% 0.0289 -0.1941)
OKLCH	oklch(44.24% 0.196 278.5)
XYZ	xyz(12.6957, 7.6085, 47.8036)
Luminance	0.0761 (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

#4338BB #B0BB38

analogous

#386FBB #4338BB #8438BB

triadic

#4338BB #BB4338 #38BB43

tetradic

#4338BB #BB386F #B0BB38 #38BB84

square

#4338BB #BB386F #B0BB38 #38BB84

split-complementary

#4338BB #BB8438 #6FBB38

monochromatic

#211C5D #322A8C #4338BB #6A61D0 #9690DE

Accessibility & contrast

On white

8.33

#4338BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#4338BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4338BB

8.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4338BB	#FFFFFF	#000000	##FFFFFF
##4338BB	1.00	8.33	2.52	8.33
#FFFFFF	8.33	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0049B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4338bb;
/* rgb */ color: rgb(67, 56, 187);
/* oklch */ color: oklch(44.2% 0.196 278.5);

Tailwind

colors: {
  custom: {
    50: '#8670d1',
    500: '#4338bb',
    950: '#000000',
  },
}

SCSS

$custom: #4338bb;
$custom-light: #8670d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4338bb",
  "rgb": {
    "r": 67,
    "g": 56,
    "b": 187
  },
  "hsl": {
    "h": 245.038,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44239,
    "c": 0.19622,
    "h": 278.5
  },
  "luminance": 0.07609
}

Semantic roles & 50–950 ramp

primary

#4338BB

secondary

#C3C886

accent

#DD4BD1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #4338BB

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

Preview Lab → · Contrast checker → · Palette generator →