#3428A9#3428A9

#3428A9 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.194 H 276.7°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#3428A9
RGB	rgb(52, 40, 169)
HSL	hsl(246, 62%, 41%)
HSV	hsv(246, 76%, 66%)
CMYK	cmyk(69.2%, 76.3%, 0%, 33.7%)
CIE-LAB	lab(27.05, 45.12, -66.62)
CIE-LCH	lch(27.05, 80.46, 304.11°)
OKLab	oklab(39.08% 0.0226 -0.1925)
OKLCH	oklch(39.08% 0.194 276.7)
XYZ	xyz(9.3341, 5.1114, 38.0231)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428A9 #9DA928

analogous

#285DA9 #3428A9 #7428A9

triadic

#3428A9 #A93428 #28A934

tetradic

#3428A9 #A9285D #9DA928 #28A974

square

#3428A9 #A9285D #9DA928 #28A974

split-complementary

#3428A9 #A97428 #5DA928

monochromatic

#161146 #251C78 #3428A9 #4B3DD1 #796FDD

Accessibility & contrast

On white

10.38

#3428A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#3428A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428A9

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428A9	#FFFFFF	#000000	##FFFFFF
##3428A9	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045AD

Deuteranopia (green-blind)

#003AA7

Tritanopia (blue-blind)

#004E67

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3428a9;
/* rgb */ color: rgb(52, 40, 169);
/* oklch */ color: oklch(39.1% 0.194 276.7);

Tailwind

colors: {
  custom: {
    50: '#7d65c4',
    500: '#3428a9',
    950: '#000000',
  },
}

SCSS

$custom: #3428a9;
$custom-light: #7d65c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3428a9",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 169
  },
  "hsl": {
    "h": 245.581,
    "s": 61.722,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39078,
    "c": 0.19384,
    "h": 276.7
  },
  "luminance": 0.05112
}

Semantic roles & 50–950 ramp

primary

#3428A9

secondary

#BBC469

accent

#E543D6

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0613

muted

#7C7A82

Preview Lab

Preview with #3428A9

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

Preview Lab → · Contrast checker → · Palette generator →