#3428BA#3428BA

#3428BA is a dark, highly saturated blue. Relative luminance 0.058; OKLCH L 40.9% C 0.214 H 275.0°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#3428BA
RGB	rgb(52, 40, 186)
HSL	hsl(245, 65%, 44%)
HSV	hsv(245, 78%, 73%)
CMYK	cmyk(72%, 78.5%, 0%, 27.1%)
CIE-LAB	lab(28.88, 50.47, -73.75)
CIE-LCH	lch(28.88, 89.37, 304.38°)
OKLab	oklab(40.9% 0.0185 -0.2133)
OKLCH	oklch(40.9% 0.214 275)
XYZ	xyz(11.0350, 5.7917, 46.9812)
Luminance	0.0579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428BA #AEBA28

analogous

#2865BA #3428BA #7D28BA

triadic

#3428BA #BA3428 #28BA34

tetradic

#3428BA #BA2865 #AEBA28 #28BA7D

square

#3428BA #BA2865 #AEBA28 #28BA7D

split-complementary

#3428BA #BA7D28 #65BA28

monochromatic

#181255 #261D88 #3428BA #5348D8 #837AE2

Accessibility & contrast

On white

9.73

#3428BA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#3428BA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428BA

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428BA	#FFFFFF	#000000	##FFFFFF
##3428BA	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABE

Deuteranopia (green-blind)

#003DB7

Tritanopia (blue-blind)

#005471

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3428ba;
/* rgb */ color: rgb(52, 40, 186);
/* oklch */ color: oklch(40.9% 0.214 275.0);

Tailwind

colors: {
  custom: {
    50: '#8166d0',
    500: '#3428ba',
    950: '#000000',
  },
}

SCSS

$custom: #3428ba;
$custom-light: #8166d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3428ba",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 186
  },
  "hsl": {
    "h": 244.932,
    "s": 64.602,
    "l": 44.314
  },
  "oklch": {
    "l": 0.40903,
    "c": 0.21407,
    "h": 275
  },
  "luminance": 0.05793
}

Semantic roles & 50–950 ramp

primary

#3428BA

secondary

#C3CA73

accent

#E840DA

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3428BA

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

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