#3428B7#3428B7

#3428B7 is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.6% C 0.211 H 275.2°. Best body text is #FFFFFF at 9.84:1 contrast (WCAG AA passes).

Color values

HEX	#3428B7
RGB	rgb(52, 40, 183)
HSL	hsl(245, 64%, 44%)
HSV	hsv(245, 78%, 72%)
CMYK	cmyk(71.6%, 78.1%, 0%, 28.2%)
CIE-LAB	lab(28.55, 49.54, -72.51)
CIE-LCH	lch(28.55, 87.82, 304.34°)
OKLab	oklab(40.58% 0.0193 -0.2097)
OKLCH	oklch(40.58% 0.211 275.2)
XYZ	xyz(10.7194, 5.6655, 45.3192)
Luminance	0.0567 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3428B7 #ABB728

analogous

#2863B7 #3428B7 #7B28B7

triadic

#3428B7 #B73428 #28B734

tetradic

#3428B7 #B72863 #ABB728 #28B77B

square

#3428B7 #B72863 #ABB728 #28B77B

split-complementary

#3428B7 #B77B28 #63B728

monochromatic

#171253 #261D85 #3428B7 #5246D6 #8178E1

Accessibility & contrast

On white

9.84

#3428B7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3428B7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3428B7

9.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3428B7	#FFFFFF	#000000	##FFFFFF
##3428B7	1.00	9.84	2.13	9.84
#FFFFFF	9.84	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABB

Deuteranopia (green-blind)

#003DB5

Tritanopia (blue-blind)

#00536F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3428b7;
/* rgb */ color: rgb(52, 40, 183);
/* oklch */ color: oklch(40.6% 0.211 275.2);

Tailwind

colors: {
  custom: {
    50: '#8065ce',
    500: '#3428b7',
    950: '#000000',
  },
}

SCSS

$custom: #3428b7;
$custom-light: #8065ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3428b7",
  "rgb": {
    "r": 52,
    "g": 40,
    "b": 183
  },
  "hsl": {
    "h": 245.035,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.40577,
    "c": 0.21056,
    "h": 275.2
  },
  "luminance": 0.05667
}

Semantic roles & 50–950 ramp

primary

#3428B7

secondary

#C2C972

accent

#E741D9

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3428B7

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

Preview Lab → · Contrast checker → · Palette generator →