#3439BD#3439BD

#3439BD is a dark, highly saturated blue. Relative luminance 0.073; OKLCH L 43.6% C 0.201 H 272.7°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#3439BD
RGB	rgb(52, 57, 189)
HSL	hsl(238, 57%, 47%)
HSV	hsv(238, 72%, 74%)
CMYK	cmyk(72.5%, 69.8%, 0%, 25.9%)
CIE-LAB	lab(32.54, 42.02, -69.48)
CIE-LCH	lch(32.54, 81.19, 301.16°)
OKLab	oklab(43.6% 0.0096 -0.2009)
OKLCH	oklch(43.6% 0.201 272.7)
XYZ	xyz(12.0615, 7.3292, 48.9133)
Luminance	0.0733 (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

#3439BD #BDB834

analogous

#347EBD #3439BD #7334BD

triadic

#3439BD #BD3439 #39BD34

tetradic

#3439BD #BD347E #BDB834 #34BD73

square

#3439BD #BD347E #BDB834 #34BD73

split-complementary

#3439BD #BD7334 #7EBD34

monochromatic

#1A1C5D #272B8D #3439BD #5C60D2 #8C8FDF

Accessibility & contrast

On white

8.52

#3439BD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3439BD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439BD

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439BD	#FFFFFF	#000000	##FFFFFF
##3439BD	1.00	8.52	2.47	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C1

Deuteranopia (green-blind)

#0046BB

Tritanopia (blue-blind)

#005D77

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3439bd;
/* rgb */ color: rgb(52, 57, 189);
/* oklch */ color: oklch(43.6% 0.201 272.7);

Tailwind

colors: {
  custom: {
    50: '#8070d2',
    500: '#3439bd',
    950: '#000000',
  },
}

SCSS

$custom: #3439bd;
$custom-light: #8070d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3439bd",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 189
  },
  "hsl": {
    "h": 237.81,
    "s": 56.846,
    "l": 47.255
  },
  "oklch": {
    "l": 0.43595,
    "c": 0.20117,
    "h": 272.7
  },
  "luminance": 0.0733
}

Semantic roles & 50–950 ramp

primary

#3439BD

secondary

#CAC783

accent

#DB48E0

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3439BD

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

Preview Lab → · Contrast checker → · Palette generator →