#3439DD#3439DD

#3439DD is a mid, highly saturated blue. Relative luminance 0.089; OKLCH L 46.8% C 0.240 H 271.1°. Best body text is #FFFFFF at 7.57:1 contrast (WCAG AA passes).

Color values

HEX	#3439DD
RGB	rgb(52, 57, 221)
HSL	hsl(238, 71%, 54%)
HSV	hsv(238, 76%, 87%)
CMYK	cmyk(76.5%, 74.2%, 0%, 13.3%)
CIE-LAB	lab(35.74, 52.62, -82.80)
CIE-LCH	lch(35.74, 98.11, 302.44°)
OKLab	oklab(46.83% 0.0048 -0.2397)
OKLCH	oklch(46.83% 0.24 271.1)
XYZ	xyz(15.9260, 8.8750, 69.2663)
Luminance	0.0888 (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

#3439DD #DDD834

analogous

#348DDD #3439DD #8334DD

triadic

#3439DD #DD3439 #39DD34

tetradic

#3439DD #DD348D #DDD834 #34DD83

square

#3439DD #DD348D #DDD834 #34DD83

split-complementary

#3439DD #DD8334 #8DDD34

monochromatic

#161981 #1E23B5 #3439DD #686CE6 #9D9FEF

Accessibility & contrast

On white

7.57

#3439DD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#3439DD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439DD

7.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439DD	#FFFFFF	#000000	##FFFFFF
##3439DD	1.00	7.57	2.78	7.57
#FFFFFF	7.57	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CE2

Deuteranopia (green-blind)

#004CDA

Tritanopia (blue-blind)

#006989

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #3439dd;
/* rgb */ color: rgb(52, 57, 221);
/* oklch */ color: oklch(46.8% 0.240 271.1);

Tailwind

colors: {
  custom: {
    50: '#8771e9',
    500: '#3439dd',
    950: '#000000',
  },
}

SCSS

$custom: #3439dd;
$custom-light: #8771e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3439dd",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 221
  },
  "hsl": {
    "h": 238.225,
    "s": 71.308,
    "l": 53.529
  },
  "oklch": {
    "l": 0.46834,
    "c": 0.23979,
    "h": 271.1
  },
  "luminance": 0.08877
}

Semantic roles & 50–950 ramp

primary

#3439DD

secondary

#DBD892

accent

#E93AEE

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0D0816

muted

#7E7B84

Preview Lab

Preview with #3439DD

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

Preview Lab → · Contrast checker → · Palette generator →