#3320BB#3320BB

#3320BB is a dark, highly saturated blue. Relative luminance 0.053; OKLCH L 40.1% C 0.222 H 275.2°. Best body text is #FFFFFF at 10.17:1 contrast (WCAG AA passes).

Color values

HEX	#3320BB
RGB	rgb(51, 32, 187)
HSL	hsl(247, 71%, 43%)
HSV	hsv(247, 83%, 73%)
CMYK	cmyk(72.7%, 82.9%, 0%, 26.7%)
CIE-LAB	lab(27.64, 54.45, -76.40)
CIE-LCH	lch(27.64, 93.82, 305.47°)
OKLab	oklab(40.06% 0.0199 -0.2209)
OKLCH	oklch(40.06% 0.222 275.2)
XYZ	xyz(10.8484, 5.3236, 47.4599)
Luminance	0.0532 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3320BB #A8BB20

analogous

#205ABB #3320BB #8020BB

triadic

#3320BB #BB3320 #20BB33

tetradic

#3320BB #BB205A #A8BB20 #20BB80

square

#3320BB #BB205A #A8BB20 #20BB80

split-complementary

#3320BB #BB8020 #5ABB20

monochromatic

#160E52 #251787 #3320BB #4F3BDD #7E6FE6

Accessibility & contrast

On white

10.17

#3320BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3320BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3320BB

10.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3320BB	#FFFFFF	#000000	##FFFFFF
##3320BB	1.00	10.17	2.07	10.17
#FFFFFF	10.17	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.17	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: #3320bb;
/* rgb */ color: rgb(51, 32, 187);
/* oklch */ color: oklch(40.1% 0.222 275.2);

Tailwind

colors: {
  custom: {
    50: '#8161d1',
    500: '#3320bb',
    950: '#000000',
  },
}

SCSS

$custom: #3320bb;
$custom-light: #8161d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3320bb",
  "rgb": {
    "r": 51,
    "g": 32,
    "b": 187
  },
  "hsl": {
    "h": 247.355,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40055,
    "c": 0.22178,
    "h": 275.2
  },
  "luminance": 0.05325
}

Semantic roles & 50–950 ramp

primary

#3320BB

secondary

#C1CD6A

accent

#EE3AD8

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3320BB

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

Preview Lab → · Contrast checker → · Palette generator →