#4338B2#4338B2

#4338B2 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.4% C 0.185 H 279.4°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#4338B2
RGB	rgb(67, 56, 178)
HSL	hsl(245, 52%, 46%)
HSV	hsv(245, 69%, 70%)
CMYK	cmyk(62.4%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(32.34, 40.82, -63.27)
CIE-LCH	lch(32.34, 75.29, 302.83°)
OKLab	oklab(43.4% 0.0303 -0.1824)
OKLCH	oklch(43.4% 0.185 279.4)
XYZ	xyz(11.7622, 7.2351, 42.8875)
Luminance	0.0724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.01

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4338B2 #A7B238

analogous

#386AB2 #4338B2 #8038B2

triadic

#4338B2 #B24338 #38B243

tetradic

#4338B2 #B2386A #A7B238 #38B280

square

#4338B2 #B2386A #A7B238 #38B280

split-complementary

#4338B2 #B28038 #6AB238

monochromatic

#201B55 #312983 #4338B2 #665CCC #918ADA

Accessibility & contrast

On white

8.58

#4338B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#4338B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4338B2

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4338B2	#FFFFFF	#000000	##FFFFFF
##4338B2	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4338b2;
/* rgb */ color: rgb(67, 56, 178);
/* oklch */ color: oklch(43.4% 0.185 279.4);

Tailwind

colors: {
  custom: {
    50: '#8470ca',
    500: '#4338b2',
    950: '#000000',
  },
}

SCSS

$custom: #4338b2;
$custom-light: #8470ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4338b2",
  "rgb": {
    "r": 67,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 245.41,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.43402,
    "c": 0.18489,
    "h": 279.4
  },
  "luminance": 0.07236
}

Semantic roles & 50–950 ramp

primary

#4338B2

secondary

#BEC581

accent

#DC4CCF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4338B2

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

Preview Lab → · Contrast checker → · Palette generator →