#3445B3#3445B3

#3445B3 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.7% C 0.174 H 270.8°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#3445B3
RGB	rgb(52, 69, 179)
HSL	hsl(232, 55%, 45%)
HSV	hsv(232, 71%, 70%)
CMYK	cmyk(70.9%, 61.5%, 0%, 29.8%)
CIE-LAB	lab(34.48, 31.00, -60.40)
CIE-LCH	lch(34.48, 67.89, 297.17°)
OKLab	oklab(44.73% 0.0024 -0.1743)
OKLCH	oklch(44.73% 0.174 270.8)
XYZ	xyz(11.6782, 8.2398, 43.6141)
Luminance	0.0824 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3445B3 #B3A234

analogous

#3484B3 #3445B3 #6334B3

triadic

#3445B3 #B33445 #45B334

tetradic

#3445B3 #B33484 #B3A234 #34B363

square

#3445B3 #B33484 #B3A234 #34B363

split-complementary

#3445B3 #B36334 #84B334

monochromatic

#182054 #263384 #3445B3 #5666CE #8691DC

Accessibility & contrast

On white

7.93

#3445B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3445B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3445B3

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3445B3	#FFFFFF	#000000	##FFFFFF
##3445B3	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B7

Deuteranopia (green-blind)

#004BB1

Tritanopia (blue-blind)

#006175

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3445b3;
/* rgb */ color: rgb(52, 69, 179);
/* oklch */ color: oklch(44.7% 0.174 270.8);

Tailwind

colors: {
  custom: {
    50: '#7d78cb',
    500: '#3445b3',
    950: '#000000',
  },
}

SCSS

$custom: #3445b3;
$custom-light: #7d78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3445b3",
  "rgb": {
    "r": 52,
    "g": 69,
    "b": 179
  },
  "hsl": {
    "h": 231.969,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44733,
    "c": 0.17433,
    "h": 270.8
  },
  "luminance": 0.08241
}

Semantic roles & 50–950 ramp

primary

#3445B3

secondary

#C5BC7D

accent

#CA49DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3445B3

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

Preview Lab → · Contrast checker → · Palette generator →