#3428A7#3428A7

#3428A7 is a dark, vivid blue. Relative luminance 0.050; OKLCH L 38.9% C 0.191 H 276.9°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#3428A7
RGB	rgb(52, 40, 167)
HSL	hsl(246, 61%, 41%)
HSV	hsv(246, 76%, 65%)
CMYK	cmyk(68.9%, 76%, 0%, 34.5%)
CIE-LAB	lab(26.84, 44.48, -65.76)
CIE-LCH	lch(26.84, 79.39, 304.08°)
OKLab	oklab(38.87% 0.023 -0.19)
OKLCH	oklch(38.87% 0.191 276.9)
XYZ	xyz(9.1477, 5.0369, 37.0419)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428A7 #9BA728

analogous

#285CA7 #3428A7 #7328A7

triadic

#3428A7 #A73428 #28A734

tetradic

#3428A7 #A7285C #9BA728 #28A773

square

#3428A7 #A7285C #9BA728 #28A773

split-complementary

#3428A7 #A77328 #5CA728

monochromatic

#151044 #251C76 #3428A7 #4A3CD0 #786DDC

Accessibility & contrast

On white

10.46

#3428A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#3428A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428A7

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428A7	#FFFFFF	#000000	##FFFFFF
##3428A7	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AB

Deuteranopia (green-blind)

#003AA5

Tritanopia (blue-blind)

#004D66

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #3428a7;
/* rgb */ color: rgb(52, 40, 167);
/* oklch */ color: oklch(38.9% 0.191 276.9);

Tailwind

colors: {
  custom: {
    50: '#7c64c2',
    500: '#3428a7',
    950: '#000000',
  },
}

SCSS

$custom: #3428a7;
$custom-light: #7c64c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3428a7",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 167
  },
  "hsl": {
    "h": 245.669,
    "s": 61.353,
    "l": 40.588
  },
  "oklch": {
    "l": 0.38867,
    "c": 0.19141,
    "h": 276.9
  },
  "luminance": 0.05038
}

Semantic roles & 50–950 ramp

primary

#3428A7

secondary

#BAC368

accent

#E443D5

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3428A7

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

Preview Lab → · Contrast checker → · Palette generator →