#3443B4#3443B4

#3443B4 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.5% C 0.178 H 271.3°. Best body text is #FFFFFF at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#3443B4
RGB	rgb(52, 67, 180)
HSL	hsl(233, 55%, 45%)
HSV	hsv(233, 71%, 71%)
CMYK	cmyk(71.1%, 62.8%, 0%, 29.4%)
CIE-LAB	lab(34.06, 32.64, -61.67)
CIE-LCH	lch(34.06, 69.78, 297.89°)
OKLab	oklab(44.45% 0.0039 -0.1781)
OKLCH	oklch(44.45% 0.178 271.3)
XYZ	xyz(11.6588, 8.0385, 44.1083)
Luminance	0.0804 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3443B4 #B4A534

analogous

#3483B4 #3443B4 #6534B4

triadic

#3443B4 #B43443 #43B434

tetradic

#3443B4 #B43483 #B4A534 #34B465

square

#3443B4 #B43483 #B4A534 #34B465

split-complementary

#3443B4 #B46534 #83B434

monochromatic

#192055 #263185 #3443B4 #5765CE #8690DC

Accessibility & contrast

On white

8.05

#3443B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3443B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443B4

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443B4	#FFFFFF	#000000	##FFFFFF
##3443B4	1.00	8.05	2.61	8.05
#FFFFFF	8.05	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B8

Deuteranopia (green-blind)

#004AB2

Tritanopia (blue-blind)

#006075

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3443b4;
/* rgb */ color: rgb(52, 67, 180);
/* oklch */ color: oklch(44.5% 0.178 271.3);

Tailwind

colors: {
  custom: {
    50: '#7d77cb',
    500: '#3443b4',
    950: '#000000',
  },
}

SCSS

$custom: #3443b4;
$custom-light: #7d77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3443b4",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 180
  },
  "hsl": {
    "h": 232.969,
    "s": 55.172,
    "l": 45.49
  },
  "oklch": {
    "l": 0.44453,
    "c": 0.1781,
    "h": 271.3
  },
  "luminance": 0.0804
}

Semantic roles & 50–950 ramp

primary

#3443B4

secondary

#C6BD7E

accent

#CD49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3443B4

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

Preview Lab → · Contrast checker → · Palette generator →