#3428A3#3428A3

#3428A3 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 38.4% C 0.187 H 277.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#3428A3
RGB	rgb(52, 40, 163)
HSL	hsl(246, 61%, 40%)
HSV	hsv(246, 75%, 64%)
CMYK	cmyk(68.1%, 75.5%, 0%, 36.1%)
CIE-LAB	lab(26.42, 43.20, -64.02)
CIE-LCH	lch(26.42, 77.24, 304.01°)
OKLab	oklab(38.45% 0.0239 -0.185)
OKLCH	oklch(38.45% 0.187 277.4)
XYZ	xyz(8.7837, 4.8912, 35.1244)
Luminance	0.0489 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428A3 #97A328

analogous

#2859A3 #3428A3 #7228A3

triadic

#3428A3 #A33428 #28A334

tetradic

#3428A3 #A32859 #97A328 #28A372

square

#3428A3 #A32859 #97A328 #28A372

split-complementary

#3428A3 #A37228 #59A328

monochromatic

#151041 #241C72 #3428A3 #483ACF #766BDB

Accessibility & contrast

On white

10.61

#3428A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#3428A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428A3

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428A3	#FFFFFF	#000000	##FFFFFF
##3428A3	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A7

Deuteranopia (green-blind)

#0039A1

Tritanopia (blue-blind)

#004B64

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3428a3;
/* rgb */ color: rgb(52, 40, 163);
/* oklch */ color: oklch(38.4% 0.187 277.4);

Tailwind

colors: {
  custom: {
    50: '#7b64bf',
    500: '#3428a3',
    950: '#000000',
  },
}

SCSS

$custom: #3428a3;
$custom-light: #7b64bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3428a3",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 163
  },
  "hsl": {
    "h": 245.854,
    "s": 60.591,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38448,
    "c": 0.18651,
    "h": 277.4
  },
  "luminance": 0.04892
}

Semantic roles & 50–950 ramp

primary

#3428A3

secondary

#B8C166

accent

#E444D4

background

#F8F6FB

surface

#EFEBF7

border

#CAC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3428A3

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

Preview Lab → · Contrast checker → · Palette generator →