#3443B0#3443B0

#3443B0 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.173 H 271.3°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#3443B0
RGB	rgb(52, 67, 176)
HSL	hsl(233, 54%, 45%)
HSV	hsv(233, 70%, 69%)
CMYK	cmyk(70.5%, 61.9%, 0%, 31%)
CIE-LAB	lab(33.73, 31.20, -59.84)
CIE-LCH	lch(33.73, 67.49, 297.54°)
OKLab	oklab(44.1% 0.004 -0.1727)
OKLCH	oklch(44.1% 0.173 271.3)
XYZ	xyz(11.2571, 7.8779, 41.9932)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3443B0 #B0A134

analogous

#3481B0 #3443B0 #6334B0

triadic

#3443B0 #B03443 #43B034

tetradic

#3443B0 #B03481 #B0A134 #34B063

square

#3443B0 #B03481 #B0A134 #34B063

split-complementary

#3443B0 #B06334 #81B034

monochromatic

#181F52 #263181 #3443B0 #5563CD #848EDB

Accessibility & contrast

On white

8.15

#3443B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#3443B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443B0

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443B0	#FFFFFF	#000000	##FFFFFF
##3443B0	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B4

Deuteranopia (green-blind)

#004AAE

Tritanopia (blue-blind)

#005F73

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3443b0;
/* rgb */ color: rgb(52, 67, 176);
/* oklch */ color: oklch(44.1% 0.173 271.3);

Tailwind

colors: {
  custom: {
    50: '#7c77c8',
    500: '#3443b0',
    950: '#000000',
  },
}

SCSS

$custom: #3443b0;
$custom-light: #7c77c8;
$custom-dark: #000000;

JSON

{
  "hex": "#3443b0",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 176
  },
  "hsl": {
    "h": 232.742,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.44101,
    "c": 0.17275,
    "h": 271.3
  },
  "luminance": 0.07879
}

Semantic roles & 50–950 ramp

primary

#3443B0

secondary

#C4BB7C

accent

#CC4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3443B0

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

Preview Lab → · Contrast checker → · Palette generator →