#3428B6#3428B6

#3428B6 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.5% C 0.209 H 275.3°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#3428B6
RGB	rgb(52, 40, 182)
HSL	hsl(245, 64%, 44%)
HSV	hsv(245, 78%, 71%)
CMYK	cmyk(71.4%, 78%, 0%, 28.6%)
CIE-LAB	lab(28.44, 49.22, -72.10)
CIE-LCH	lch(28.44, 87.30, 304.32°)
OKLab	oklab(40.47% 0.0195 -0.2085)
OKLCH	oklch(40.47% 0.209 275.3)
XYZ	xyz(10.6157, 5.6240, 44.7730)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428B6 #AAB628

analogous

#2863B6 #3428B6 #7B28B6

triadic

#3428B6 #B63428 #28B634

tetradic

#3428B6 #B62863 #AAB628 #28B67B

square

#3428B6 #B62863 #AAB628 #28B67B

split-complementary

#3428B6 #B67B28 #63B628

monochromatic

#171252 #261D84 #3428B6 #5145D6 #8077E1

Accessibility & contrast

On white

9.88

#3428B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3428B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428B6

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428B6	#FFFFFF	#000000	##FFFFFF
##3428B6	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049BA

Deuteranopia (green-blind)

#003DB4

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3428b6;
/* rgb */ color: rgb(52, 40, 182);
/* oklch */ color: oklch(40.5% 0.209 275.3);

Tailwind

colors: {
  custom: {
    50: '#8065cd',
    500: '#3428b6',
    950: '#000000',
  },
}

SCSS

$custom: #3428b6;
$custom-light: #8065cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3428b6",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 182
  },
  "hsl": {
    "h": 245.07,
    "s": 63.964,
    "l": 43.529
  },
  "oklch": {
    "l": 0.40468,
    "c": 0.20938,
    "h": 275.3
  },
  "luminance": 0.05625
}

Semantic roles & 50–950 ramp

primary

#3428B6

secondary

#C1C971

accent

#E741D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3428B6

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

Preview Lab → · Contrast checker → · Palette generator →