#4339AA#4339AA

#4339AA is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.8% C 0.173 H 280.1°. Best body text is #FFFFFF at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#4339AA
RGB	rgb(67, 57, 170)
HSL	hsl(245, 50%, 45%)
HSV	hsv(245, 66%, 67%)
CMYK	cmyk(60.6%, 66.5%, 0%, 33.3%)
CIE-LAB	lab(31.85, 37.62, -59.28)
CIE-LCH	lch(31.85, 70.21, 302.40°)
OKLab	oklab(42.84% 0.0305 -0.1707)
OKLCH	oklch(42.84% 0.173 280.1)
XYZ	xyz(11.0313, 7.0210, 38.7963)
Luminance	0.0702 (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

#4339AA #A0AA39

analogous

#3967AA #4339AA #7C39AA

triadic

#4339AA #AA4339 #39AA43

tetradic

#4339AA #AA3967 #A0AA39 #39AA7C

square

#4339AA #AA3967 #A0AA39 #39AA7C

split-complementary

#4339AA #AA7C39 #67AA39

monochromatic

#1F1A4E #312A7C #4339AA #6359C7 #8E87D7

Accessibility & contrast

On white

8.73

#4339AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#4339AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339AA

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339AA	#FFFFFF	#000000	##FFFFFF
##4339AA	1.00	8.73	2.40	8.73
#FFFFFF	8.73	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAE

Deuteranopia (green-blind)

#0047A8

Tritanopia (blue-blind)

#00566C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #4339aa;
/* rgb */ color: rgb(67, 57, 170);
/* oklch */ color: oklch(42.8% 0.173 280.1);

Tailwind

colors: {
  custom: {
    50: '#8370c4',
    500: '#4339aa',
    950: '#000000',
  },
}

SCSS

$custom: #4339aa;
$custom-light: #8370c4;
$custom-dark: #000000;

JSON

{
  "hex": "#4339aa",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 170
  },
  "hsl": {
    "h": 245.31,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.42838,
    "c": 0.17341,
    "h": 280.1
  },
  "luminance": 0.07022
}

Semantic roles & 50–950 ramp

primary

#4339AA

secondary

#BBC17E

accent

#D94ECD

background

#F8F6FC

surface

#F0ECF8

border

#CBC7D1

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4339AA

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

Preview Lab → · Contrast checker → · Palette generator →