#3431BE#3431BE

#3431BE is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.5% C 0.211 H 273.7°. Best body text is #FFFFFF at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#3431BE
RGB	rgb(52, 49, 190)
HSL	hsl(241, 59%, 47%)
HSV	hsv(241, 74%, 75%)
CMYK	cmyk(72.6%, 74.2%, 0%, 25.5%)
CIE-LAB	lab(30.98, 46.97, -72.64)
CIE-LCH	lch(30.98, 86.51, 302.89°)
OKLab	oklab(42.51% 0.0136 -0.2101)
OKLCH	oklch(42.51% 0.211 273.7)
XYZ	xyz(11.8057, 6.6432, 49.3653)
Luminance	0.0664 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.20

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3431BE #BBBE31

analogous

#3174BE #3431BE #7B31BE

triadic

#3431BE #BE3431 #31BE34

tetradic

#3431BE #BE3174 #BBBE31 #31BE7B

square

#3431BE #BE3174 #BBBE31 #31BE7B

split-complementary

#3431BE #BE7B31 #74BE31

monochromatic

#19185D #27248D #3431BE #5B58D4 #8B89E1

Accessibility & contrast

On white

9.02

#3431BE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#3431BE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431BE

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431BE	#FFFFFF	#000000	##FFFFFF
##3431BE	1.00	9.02	2.33	9.02
#FFFFFF	9.02	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC2

Deuteranopia (green-blind)

#0042BB

Tritanopia (blue-blind)

#005A75

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3431be;
/* rgb */ color: rgb(52, 49, 190);
/* oklch */ color: oklch(42.5% 0.211 273.7);

Tailwind

colors: {
  custom: {
    50: '#816bd3',
    500: '#3431be',
    950: '#000000',
  },
}

SCSS

$custom: #3431be;
$custom-light: #816bd3;
$custom-dark: #000000;

JSON

{
  "hex": "#3431be",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 190
  },
  "hsl": {
    "h": 241.277,
    "s": 58.996,
    "l": 46.863
  },
  "oklch": {
    "l": 0.42507,
    "c": 0.21059,
    "h": 273.7
  },
  "luminance": 0.06644
}

Semantic roles & 50–950 ramp

primary

#3431BE

secondary

#C9CA80

accent

#E246DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3431BE

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

Preview Lab → · Contrast checker → · Palette generator →