#3431BC#3431BC

#3431BC is a dark, highly saturated blue. Relative luminance 0.066; OKLCH L 42.3% C 0.208 H 273.9°. Best body text is #FFFFFF at 9.08:1 contrast (WCAG AA passes).

Color values

HEX	#3431BC
RGB	rgb(52, 49, 188)
HSL	hsl(241, 59%, 46%)
HSV	hsv(241, 74%, 74%)
CMYK	cmyk(72.3%, 73.9%, 0%, 26.3%)
CIE-LAB	lab(30.77, 46.32, -71.80)
CIE-LCH	lch(30.77, 85.45, 302.82°)
OKLab	oklab(42.3% 0.014 -0.2077)
OKLCH	oklch(42.3% 0.208 273.9)
XYZ	xyz(11.5886, 6.5564, 48.2220)
Luminance	0.0656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Sapphire (survey)

#2138AB

ΔE00 4.03

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3431BC #B9BC31

analogous

#3174BC #3431BC #7A31BC

triadic

#3431BC #BC3431 #31BC34

tetradic

#3431BC #BC3174 #B9BC31 #31BC7A

square

#3431BC #BC3174 #B9BC31 #31BC7A

split-complementary

#3431BC #BC7A31 #74BC31

monochromatic

#19185B #27248B #3431BC #5A57D3 #8988E0

Accessibility & contrast

On white

9.08

#3431BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#3431BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3431BC

9.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3431BC	#FFFFFF	#000000	##FFFFFF
##3431BC	1.00	9.08	2.31	9.08
#FFFFFF	9.08	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FC0

Deuteranopia (green-blind)

#0042BA

Tritanopia (blue-blind)

#005974

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3431bc;
/* rgb */ color: rgb(52, 49, 188);
/* oklch */ color: oklch(42.3% 0.208 273.9);

Tailwind

colors: {
  custom: {
    50: '#806bd1',
    500: '#3431bc',
    950: '#000000',
  },
}

SCSS

$custom: #3431bc;
$custom-light: #806bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3431bc",
  "rgb": {
    "r": 52,
    "g": 49,
    "b": 188
  },
  "hsl": {
    "h": 241.295,
    "s": 58.65,
    "l": 46.471
  },
  "oklch": {
    "l": 0.423,
    "c": 0.20817,
    "h": 273.9
  },
  "luminance": 0.06558
}

Semantic roles & 50–950 ramp

primary

#3431BC

secondary

#C8CA7F

accent

#E246DE

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3431BC

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

Preview Lab → · Contrast checker → · Palette generator →