#3439D1#3439D1

#3439D1 is a mid, highly saturated blue. Relative luminance 0.083; OKLCH L 45.6% C 0.226 H 271.7°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3439D1
RGB	rgb(52, 57, 209)
HSL	hsl(238, 63%, 51%)
HSV	hsv(238, 75%, 82%)
CMYK	cmyk(75.1%, 72.7%, 0%, 18%)
CIE-LAB	lab(34.51, 48.71, -77.91)
CIE-LCH	lch(34.51, 91.89, 302.02°)
OKLab	oklab(45.6% 0.0067 -0.2255)
OKLCH	oklch(45.6% 0.226 271.7)
XYZ	xyz(14.3840, 8.2582, 61.1452)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue Blue

#2242C7

ΔE00 3.49

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3439D1 #D1CC34

analogous

#3487D1 #3439D1 #7D34D1

triadic

#3439D1 #D13439 #39D134

tetradic

#3439D1 #D13487 #D1CC34 #34D17D

square

#3439D1 #D13487 #D1CC34 #34D17D

split-complementary

#3439D1 #D17D34 #87D134

monochromatic

#1A1C71 #2529A3 #3439D1 #666ADC #989AE8

Accessibility & contrast

On white

7.92

#3439D1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3439D1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3439D1

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3439D1	#FFFFFF	#000000	##FFFFFF
##3439D1	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D5

Deuteranopia (green-blind)

#0049CE

Tritanopia (blue-blind)

#006582

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3439d1;
/* rgb */ color: rgb(52, 57, 209);
/* oklch */ color: oklch(45.6% 0.226 271.7);

Tailwind

colors: {
  custom: {
    50: '#8471e0',
    500: '#3439d1',
    950: '#000000',
  },
}

SCSS

$custom: #3439d1;
$custom-light: #8471e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3439d1",
  "rgb": {
    "r": 52,
    "g": 57,
    "b": 209
  },
  "hsl": {
    "h": 238.089,
    "s": 63.052,
    "l": 51.176
  },
  "oklch": {
    "l": 0.45598,
    "c": 0.22563,
    "h": 271.7
  },
  "luminance": 0.0826
}

Semantic roles & 50–950 ramp

primary

#3439D1

secondary

#D3D18E

accent

#E142E6

background

#F9F6FD

surface

#F1ECFB

border

#CBC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #3439D1

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

Preview Lab → · Contrast checker → · Palette generator →