#3445BC#3445BC

#3445BC is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.186 H 270.7°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#3445BC
RGB	rgb(52, 69, 188)
HSL	hsl(233, 57%, 47%)
HSV	hsv(233, 72%, 74%)
CMYK	cmyk(72.3%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(35.23, 34.23, -64.48)
CIE-LCH	lch(35.23, 73.00, 297.97°)
OKLab	oklab(45.53% 0.0022 -0.1863)
OKLCH	oklch(45.53% 0.186 270.7)
XYZ	xyz(12.6183, 8.6159, 48.5652)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.45

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445BC #BCAB34

analogous

#3489BC #3445BC #6734BC

triadic

#3445BC #BC3445 #45BC34

tetradic

#3445BC #BC3489 #BCAB34 #34BC67

square

#3445BC #BC3489 #BCAB34 #34BC67

split-complementary

#3445BC #BC6734 #89BC34

monochromatic

#19225C #27338C #3445BC #5B6AD2 #8B96DF

Accessibility & contrast

On white

7.71

#3445BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3445BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445BC

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445BC	#FFFFFF	#000000	##FFFFFF
##3445BC	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004DBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3445bc;
/* rgb */ color: rgb(52, 69, 188);
/* oklch */ color: oklch(45.5% 0.186 270.7);

Tailwind

colors: {
  custom: {
    50: '#7f78d1',
    500: '#3445bc',
    950: '#000000',
  },
}

SCSS

$custom: #3445bc;
$custom-light: #7f78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3445bc",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 232.5,
    "s": 56.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45525,
    "c": 0.18628,
    "h": 270.7
  },
  "luminance": 0.08617
}

Semantic roles & 50–950 ramp

primary

#3445BC

secondary

#C9C083

accent

#CD48E0

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #3445BC

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

Preview Lab → · Contrast checker → · Palette generator →