#3445B1#3445B1

#3445B1 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.6% C 0.172 H 270.8°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#3445B1
RGB	rgb(52, 69, 177)
HSL	hsl(232, 55%, 45%)
HSV	hsv(232, 71%, 69%)
CMYK	cmyk(70.6%, 61%, 0%, 30.6%)
CIE-LAB	lab(34.31, 30.27, -59.48)
CIE-LCH	lch(34.31, 66.74, 296.97°)
OKLab	oklab(44.56% 0.0025 -0.1716)
OKLCH	oklch(44.56% 0.172 270.8)
XYZ	xyz(11.4774, 8.1595, 42.5565)
Luminance	0.0816 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445B1 #B1A034

analogous

#3484B1 #3445B1 #6234B1

triadic

#3445B1 #B13445 #45B134

tetradic

#3445B1 #B13484 #B1A034 #34B162

square

#3445B1 #B13484 #B1A034 #34B162

split-complementary

#3445B1 #B16234 #84B134

monochromatic

#182052 #263382 #3445B1 #5565CD #8490DB

Accessibility & contrast

On white

7.98

#3445B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3445B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445B1

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445B1	#FFFFFF	#000000	##FFFFFF
##3445B1	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B5

Deuteranopia (green-blind)

#004BAF

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3445b1;
/* rgb */ color: rgb(52, 69, 177);
/* oklch */ color: oklch(44.6% 0.172 270.8);

Tailwind

colors: {
  custom: {
    50: '#7c78c9',
    500: '#3445b1',
    950: '#000000',
  },
}

SCSS

$custom: #3445b1;
$custom-light: #7c78c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3445b1",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 177
  },
  "hsl": {
    "h": 231.84,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.4456,
    "c": 0.17164,
    "h": 270.8
  },
  "luminance": 0.08161
}

Semantic roles & 50–950 ramp

primary

#3445B1

secondary

#C5BB7C

accent

#CA4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3445B1

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

Preview Lab → · Contrast checker → · Palette generator →