#3443B3#3443B3

#3443B3 is a dark, vivid blue. Relative luminance 0.080; OKLCH L 44.4% C 0.177 H 271.3°. Best body text is #FFFFFF at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#3443B3
RGB	rgb(52, 67, 179)
HSL	hsl(233, 55%, 45%)
HSV	hsv(233, 71%, 70%)
CMYK	cmyk(70.9%, 62.6%, 0%, 29.8%)
CIE-LAB	lab(33.98, 32.28, -61.21)
CIE-LCH	lch(33.98, 69.21, 297.81°)
OKLab	oklab(44.37% 0.0039 -0.1767)
OKLCH	oklch(44.37% 0.177 271.3)
XYZ	xyz(11.5573, 7.9979, 43.5738)
Luminance	0.0800 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3443B3 #B3A434

analogous

#3483B3 #3443B3 #6434B3

triadic

#3443B3 #B33443 #43B334

tetradic

#3443B3 #B33483 #B3A434 #34B364

square

#3443B3 #B33483 #B3A434 #34B364

split-complementary

#3443B3 #B36434 #83B334

monochromatic

#181F54 #263184 #3443B3 #5664CE #8690DC

Accessibility & contrast

On white

8.08

#3443B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#3443B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3443B3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3443B3	#FFFFFF	#000000	##FFFFFF
##3443B3	1.00	8.08	2.60	8.08
#FFFFFF	8.08	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056B7

Deuteranopia (green-blind)

#004AB1

Tritanopia (blue-blind)

#006074

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3443b3;
/* rgb */ color: rgb(52, 67, 179);
/* oklch */ color: oklch(44.4% 0.177 271.3);

Tailwind

colors: {
  custom: {
    50: '#7d77cb',
    500: '#3443b3',
    950: '#000000',
  },
}

SCSS

$custom: #3443b3;
$custom-light: #7d77cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3443b3",
  "rgb": {
    "r": 52,
    "g": 67,
    "b": 179
  },
  "hsl": {
    "h": 232.913,
    "s": 54.978,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44365,
    "c": 0.17676,
    "h": 271.3
  },
  "luminance": 0.07999
}

Semantic roles & 50–950 ramp

primary

#3443B3

secondary

#C5BD7D

accent

#CD49DE

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3443B3

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

Preview Lab → · Contrast checker → · Palette generator →