#3431AA#3431AA

#3431AA is a dark, vivid blue. Relative luminance 0.058; OKLCH L 40.5% C 0.186 H 275.3°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#3431AA
RGB	rgb(52, 49, 170)
HSL	hsl(241, 55%, 43%)
HSV	hsv(241, 71%, 67%)
CMYK	cmyk(69.4%, 71.2%, 0%, 33.3%)
CIE-LAB	lab(28.97, 40.35, -64.05)
CIE-LCH	lch(28.97, 75.69, 302.21°)
OKLab	oklab(40.48% 0.0171 -0.1851)
OKLCH	oklch(40.48% 0.186 275.3)
XYZ	xyz(9.7678, 5.8281, 38.6326)
Luminance	0.0583 (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

#3431AA #A7AA31

analogous

#316AAA #3431AA #7131AA

triadic

#3431AA #AA3431 #31AA34

tetradic

#3431AA #AA316A #A7AA31 #31AA71

square

#3431AA #AA316A #A7AA31 #31AA71

split-complementary

#3431AA #AA7131 #6AAA31

monochromatic

#17164B #25237A #3431AA #504DCC #7E7CD9

Accessibility & contrast

On white

9.70

#3431AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#3431AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431AA

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431AA	#FFFFFF	#000000	##FFFFFF
##3431AA	1.00	9.70	2.17	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004AAE

Deuteranopia (green-blind)

#003FA8

Tritanopia (blue-blind)

#00526A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3431aa;
/* rgb */ color: rgb(52, 49, 170);
/* oklch */ color: oklch(40.5% 0.186 275.3);

Tailwind

colors: {
  custom: {
    50: '#7c6ac4',
    500: '#3431aa',
    950: '#000000',
  },
}

SCSS

$custom: #3431aa;
$custom-light: #7c6ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3431aa",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 170
  },
  "hsl": {
    "h": 241.488,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40476,
    "c": 0.18587,
    "h": 275.3
  },
  "luminance": 0.05829
}

Semantic roles & 50–950 ramp

primary

#3431AA

secondary

#C0C275

accent

#DF49DB

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3431AA

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

Preview Lab → · Contrast checker → · Palette generator →