#4339BD#4339BD

#4339BD is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.6% C 0.198 H 278.1°. Best body text is #FFFFFF at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#4339BD
RGB	rgb(67, 57, 189)
HSL	hsl(245, 54%, 48%)
HSV	hsv(245, 70%, 74%)
CMYK	cmyk(64.6%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(33.55, 43.79, -67.79)
CIE-LCH	lch(33.55, 80.70, 302.86°)
OKLab	oklab(44.58% 0.0279 -0.1956)
OKLCH	oklch(44.58% 0.198 278.1)
XYZ	xyz(12.9602, 7.7926, 48.9554)
Luminance	0.0779 (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

#4339BD #B3BD39

analogous

#3971BD #4339BD #8539BD

triadic

#4339BD #BD4339 #39BD43

tetradic

#4339BD #BD3971 #B3BD39 #39BD85

square

#4339BD #BD3971 #B3BD39 #39BD85

split-complementary

#4339BD #BD8539 #71BD39

monochromatic

#221D5F #322B8E #4339BD #6B63D0 #9892DE

Accessibility & contrast

On white

8.21

#4339BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#4339BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339BD

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4339BD	#FFFFFF	#000000	##FFFFFF
##4339BD	1.00	8.21	2.56	8.21
#FFFFFF	8.21	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C1

Deuteranopia (green-blind)

#0049BB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4339bd;
/* rgb */ color: rgb(67, 57, 189);
/* oklch */ color: oklch(44.6% 0.198 278.1);

Tailwind

colors: {
  custom: {
    50: '#8671d2',
    500: '#4339bd',
    950: '#000000',
  },
}

SCSS

$custom: #4339bd;
$custom-light: #8671d2;
$custom-dark: #000000;

JSON

{
  "hex": "#4339bd",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 244.545,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.44577,
    "c": 0.19761,
    "h": 278.1
  },
  "luminance": 0.07794
}

Semantic roles & 50–950 ramp

primary

#4339BD

secondary

#C4C989

accent

#DD4BD2

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4339BD

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

Preview Lab → · Contrast checker → · Palette generator →