#3431CF#3431CF

#3431CF is a dark, highly saturated blue. Relative luminance 0.074; OKLCH L 44.3% C 0.231 H 272.6°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#3431CF
RGB	rgb(52, 49, 207)
HSL	hsl(241, 62%, 50%)
HSV	hsv(241, 76%, 81%)
CMYK	cmyk(74.9%, 76.3%, 0%, 18.8%)
CIE-LAB	lab(32.77, 52.42, -79.64)
CIE-LCH	lch(32.77, 95.34, 303.36°)
OKLab	oklab(44.3% 0.0103 -0.2305)
OKLCH	oklch(44.3% 0.231 272.6)
XYZ	xyz(13.7732, 7.4302, 59.7277)
Luminance	0.0743 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3431CF #CCCF31

analogous

#317DCF #3431CF #8331CF

triadic

#3431CF #CF3431 #31CF34

tetradic

#3431CF #CF317D #CCCF31 #31CF83

square

#3431CF #CF317D #CCCF31 #31CF83

split-complementary

#3431CF #CF8331 #7DCF31

monochromatic

#1B196C #27259E #3431CF #6563DB #9694E6

Accessibility & contrast

On white

8.45

#3431CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3431CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431CF

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431CF	#FFFFFF	#000000	##FFFFFF
##3431CF	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055D3

Deuteranopia (green-blind)

#0045CC

Tritanopia (blue-blind)

#00607F

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3431cf;
/* rgb */ color: rgb(52, 49, 207);
/* oklch */ color: oklch(44.3% 0.231 272.6);

Tailwind

colors: {
  custom: {
    50: '#856cdf',
    500: '#3431cf',
    950: '#000000',
  },
}

SCSS

$custom: #3431cf;
$custom-light: #856cdf;
$custom-dark: #000000;

JSON

{
  "hex": "#3431cf",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 207
  },
  "hsl": {
    "h": 241.139,
    "s": 62.205,
    "l": 50.196
  },
  "oklch": {
    "l": 0.44298,
    "c": 0.23072,
    "h": 272.6
  },
  "luminance": 0.07432
}

Semantic roles & 50–950 ramp

primary

#3431CF

secondary

#D0D18B

accent

#E543E2

background

#F9F6FD

surface

#F1EBFB

border

#CBC6D4

text

#0D0715

muted

#7E7A83

Preview Lab

Preview with #3431CF

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

Preview Lab → · Contrast checker → · Palette generator →