#3439CC#3439CC

#3439CC is a mid, highly saturated blue. Relative luminance 0.080; OKLCH L 45.1% C 0.220 H 271.9°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#3439CC
RGB	rgb(52, 57, 204)
HSL	hsl(238, 60%, 50%)
HSV	hsv(238, 75%, 80%)
CMYK	cmyk(74.5%, 72.1%, 0%, 20%)
CIE-LAB	lab(34.01, 47.06, -75.84)
CIE-LCH	lch(34.01, 89.25, 301.82°)
OKLab	oklab(45.09% 0.0075 -0.2195)
OKLCH	oklch(45.09% 0.22 271.9)
XYZ	xyz(13.7747, 8.0145, 57.9360)
Luminance	0.0802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.27

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3439CC #CCC734

analogous

#3485CC #3439CC #7B34CC

triadic

#3439CC #CC3439 #39CC34

tetradic

#3439CC #CC3485 #CCC734 #34CC7B

square

#3439CC #CC3485 #CCC734 #34CC7B

split-complementary

#3439CC #CC7B34 #85CC34

monochromatic

#1B1D6B #272B9C #3439CC #6569D8 #9698E5

Accessibility & contrast

On white

8.07

#3439CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3439CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439CC

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439CC	#FFFFFF	#000000	##FFFFFF
##3439CC	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057D0

Deuteranopia (green-blind)

#0049C9

Tritanopia (blue-blind)

#00637F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3439cc;
/* rgb */ color: rgb(52, 57, 204);
/* oklch */ color: oklch(45.1% 0.220 271.9);

Tailwind

colors: {
  custom: {
    50: '#8371dd',
    500: '#3439cc',
    950: '#000000',
  },
}

SCSS

$custom: #3439cc;
$custom-light: #8371dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3439cc",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 238.026,
    "s": 59.843,
    "l": 50.196
  },
  "oklch": {
    "l": 0.4509,
    "c": 0.21962,
    "h": 271.9
  },
  "luminance": 0.08016
}

Semantic roles & 50–950 ramp

primary

#3439CC

secondary

#D0CE8C

accent

#DE45E3

background

#F8F6FD

surface

#F0ECFB

border

#CBC7D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3439CC

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

Preview Lab → · Contrast checker → · Palette generator →