#3343AD#3343AD

#3343AD is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.169 H 271.0°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3343AD
RGB	rgb(51, 67, 173)
HSL	hsl(232, 54%, 44%)
HSV	hsv(232, 71%, 68%)
CMYK	cmyk(70.5%, 61.3%, 0%, 32.2%)
CIE-LAB	lab(33.42, 29.99, -58.56)
CIE-LCH	lch(33.42, 65.79, 297.12°)
OKLab	oklab(43.78% 0.003 -0.1689)
OKLCH	oklch(43.78% 0.169 271)
XYZ	xyz(10.9127, 7.7342, 40.4448)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343AD #AD9D33

analogous

#3380AD #3343AD #6033AD

triadic

#3343AD #AD3343 #43AD33

tetradic

#3343AD #AD3380 #AD9D33 #33AD60

square

#3343AD #AD3380 #AD9D33 #33AD60

split-complementary

#3343AD #AD6033 #80AD33

monochromatic

#171E4E #25317E #3343AD #5161CC #818CDA

Accessibility & contrast

On white

8.24

#3343AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3343AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343AD

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343AD	#FFFFFF	#000000	##FFFFFF
##3343AD	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B0

Deuteranopia (green-blind)

#0049AB

Tritanopia (blue-blind)

#005E71

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3343ad;
/* rgb */ color: rgb(51, 67, 173);
/* oklch */ color: oklch(43.8% 0.169 271.0);

Tailwind

colors: {
  custom: {
    50: '#7b77c6',
    500: '#3343ad',
    950: '#000000',
  },
}

SCSS

$custom: #3343ad;
$custom-light: #7b77c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3343ad",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 173
  },
  "hsl": {
    "h": 232.131,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.43784,
    "c": 0.16898,
    "h": 271
  },
  "luminance": 0.07735
}

Semantic roles & 50–950 ramp

primary

#3343AD

secondary

#C3B979

accent

#CA4ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3343AD

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

Preview Lab → · Contrast checker → · Palette generator →