#4338B3#4338B3

#4338B3 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.5% C 0.186 H 279.3°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#4338B3
RGB	rgb(67, 56, 179)
HSL	hsl(245, 52%, 46%)
HSV	hsv(245, 69%, 70%)
CMYK	cmyk(62.6%, 68.7%, 0%, 29.8%)
CIE-LAB	lab(32.43, 41.14, -63.72)
CIE-LCH	lch(32.43, 75.84, 302.85°)
OKLab	oklab(43.49% 0.0301 -0.1837)
OKLCH	oklch(43.49% 0.186 279.3)
XYZ	xyz(11.8630, 7.2754, 43.4182)
Luminance	0.0728 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 2.99

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4338B3 #A8B338

analogous

#386AB3 #4338B3 #8038B3

triadic

#4338B3 #B34338 #38B343

tetradic

#4338B3 #B3386A #A8B338 #38B380

square

#4338B3 #B3386A #A8B338 #38B380

split-complementary

#4338B3 #B38038 #6AB338

monochromatic

#201B56 #322984 #4338B3 #665CCC #928BDB

Accessibility & contrast

On white

8.55

#4338B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4338B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4338B3

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4338B3	#FFFFFF	#000000	##FFFFFF
##4338B3	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051B7

Deuteranopia (green-blind)

#0047B1

Tritanopia (blue-blind)

#005971

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4338b3;
/* rgb */ color: rgb(67, 56, 179);
/* oklch */ color: oklch(43.5% 0.186 279.3);

Tailwind

colors: {
  custom: {
    50: '#8470cb',
    500: '#4338b3',
    950: '#000000',
  },
}

SCSS

$custom: #4338b3;
$custom-light: #8470cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4338b3",
  "rgb": {
    "r": 67,
    "g": 56,
    "b": 179
  },
  "hsl": {
    "h": 245.366,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43494,
    "c": 0.18616,
    "h": 279.3
  },
  "luminance": 0.07276
}

Semantic roles & 50–950 ramp

primary

#4338B3

secondary

#BFC582

accent

#DC4CCF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4338B3

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

Preview Lab → · Contrast checker → · Palette generator →