#3343BC#3343BC

#3343BC is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.1% C 0.189 H 270.8°. Best body text is #FFFFFF at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#3343BC
RGB	rgb(51, 67, 188)
HSL	hsl(233, 57%, 47%)
HSV	hsv(233, 73%, 74%)
CMYK	cmyk(72.9%, 64.4%, 0%, 26.3%)
CIE-LAB	lab(34.70, 35.38, -65.36)
CIE-LCH	lch(34.70, 74.32, 298.43°)
OKLab	oklab(45.12% 0.0025 -0.1889)
OKLCH	oklch(45.12% 0.189 270.8)
XYZ	xyz(12.4464, 8.3477, 48.5225)
Luminance	0.0835 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343BC #BCAC33

analogous

#3388BC #3343BC #6833BC

triadic

#3343BC #BC3343 #43BC33

tetradic

#3343BC #BC3388 #BCAC33 #33BC68

square

#3343BC #BC3388 #BCAC33 #33BC68

split-complementary

#3343BC #BC6833 #88BC33

monochromatic

#19215C #26328C #3343BC #5A68D2 #8A94DF

Accessibility & contrast

On white

7.87

#3343BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3343BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343BC

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343BC	#FFFFFF	#000000	##FFFFFF
##3343BC	1.00	7.87	2.67	7.87
#FFFFFF	7.87	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004BBA

Tritanopia (blue-blind)

#006379

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3343bc;
/* rgb */ color: rgb(51, 67, 188);
/* oklch */ color: oklch(45.1% 0.189 270.8);

Tailwind

colors: {
  custom: {
    50: '#7e77d1',
    500: '#3343bc',
    950: '#000000',
  },
}

SCSS

$custom: #3343bc;
$custom-light: #7e77d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3343bc",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 188
  },
  "hsl": {
    "h": 232.993,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.45116,
    "c": 0.18891,
    "h": 270.8
  },
  "luminance": 0.08349
}

Semantic roles & 50–950 ramp

primary

#3343BC

secondary

#C9C181

accent

#CF47E1

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0814

muted

#7C7B83

Preview Lab

Preview with #3343BC

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

Preview Lab → · Contrast checker → · Palette generator →