#3420BB#3420BB

#3420BB is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.1% C 0.222 H 275.5°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#3420BB
RGB	rgb(52, 32, 187)
HSL	hsl(248, 71%, 43%)
HSV	hsv(248, 83%, 73%)
CMYK	cmyk(72.2%, 82.9%, 0%, 26.7%)
CIE-LAB	lab(27.71, 54.52, -76.28)
CIE-LCH	lch(27.71, 93.76, 305.55°)
OKLab	oklab(40.12% 0.0213 -0.2205)
OKLCH	oklch(40.12% 0.222 275.5)
XYZ	xyz(10.8994, 5.3499, 47.4623)
Luminance	0.0535 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3420BB #A7BB20

analogous

#2059BB #3420BB #8120BB

triadic

#3420BB #BB3420 #20BB34

tetradic

#3420BB #BB2059 #A7BB20 #20BB81

square

#3420BB #BB2059 #A7BB20 #20BB81

split-complementary

#3420BB #BB8120 #59BB20

monochromatic

#170E52 #251787 #3420BB #503BDD #7E6FE6

Accessibility & contrast

On white

10.14

#3420BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3420BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3420BB

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3420BB	#FFFFFF	#000000	##FFFFFF
##3420BB	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003AB8

Tritanopia (blue-blind)

#005270

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3420bb;
/* rgb */ color: rgb(52, 32, 187);
/* oklch */ color: oklch(40.1% 0.222 275.5);

Tailwind

colors: {
  custom: {
    50: '#8161d1',
    500: '#3420bb',
    950: '#000000',
  },
}

SCSS

$custom: #3420bb;
$custom-light: #8161d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3420bb",
  "rgb": {
    "r": 52,
    "g": 32,
    "b": 187
  },
  "hsl": {
    "h": 247.742,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40123,
    "c": 0.22152,
    "h": 275.5
  },
  "luminance": 0.05351
}

Semantic roles & 50–950 ramp

primary

#3420BB

secondary

#C0CD6A

accent

#EE3AD6

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3420BB

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

Preview Lab → · Contrast checker → · Palette generator →