#3439CD#3439CD

#3439CD is a mid, highly saturated blue. Relative luminance 0.081; OKLCH L 45.2% C 0.221 H 271.9°. Best body text is #FFFFFF at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#3439CD
RGB	rgb(52, 57, 205)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 75%, 80%)
CMYK	cmyk(74.6%, 72.2%, 0%, 19.6%)
CIE-LAB	lab(34.11, 47.39, -76.25)
CIE-LCH	lch(34.11, 89.78, 301.86°)
OKLab	oklab(45.19% 0.0073 -0.2207)
OKLCH	oklch(45.19% 0.221 271.9)
XYZ	xyz(13.8950, 8.0626, 58.5697)
Luminance	0.0806 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.30

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3439CD #CDC834

analogous

#3486CD #3439CD #7B34CD

triadic

#3439CD #CD3439 #39CD34

tetradic

#3439CD #CD3486 #CDC834 #34CD7B

square

#3439CD #CD3486 #CDC834 #34CD7B

split-complementary

#3439CD #CD7B34 #86CD34

monochromatic

#1B1D6C #272B9D #3439CD #6569D9 #9699E5

Accessibility & contrast

On white

8.04

#3439CD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3439CD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439CD

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439CD	#FFFFFF	#000000	##FFFFFF
##3439CD	1.00	8.04	2.61	8.04
#FFFFFF	8.04	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D1

Deuteranopia (green-blind)

#0049CA

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3439cd;
/* rgb */ color: rgb(52, 57, 205);
/* oklch */ color: oklch(45.2% 0.221 271.9);

Tailwind

colors: {
  custom: {
    50: '#8371de',
    500: '#3439cd',
    950: '#000000',
  },
}

SCSS

$custom: #3439cd;
$custom-light: #8371de;
$custom-dark: #000000;

JSON

{
  "hex": "#3439cd",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 205
  },
  "hsl": {
    "h": 238.039,
    "s": 60.474,
    "l": 50.392
  },
  "oklch": {
    "l": 0.45191,
    "c": 0.22082,
    "h": 271.9
  },
  "luminance": 0.08064
}

Semantic roles & 50–950 ramp

primary

#3439CD

secondary

#D1CE8C

accent

#DE44E4

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3439CD

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

Preview Lab → · Contrast checker → · Palette generator →