#3343AB#3343AB

#3343AB is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.166 H 271.1°. Best body text is #FFFFFF at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#3343AB
RGB	rgb(51, 67, 171)
HSL	hsl(232, 54%, 44%)
HSV	hsv(232, 70%, 67%)
CMYK	cmyk(70.2%, 60.8%, 0%, 32.9%)
CIE-LAB	lab(33.26, 29.26, -57.63)
CIE-LCH	lch(33.26, 64.63, 296.92°)
OKLab	oklab(43.61% 0.0031 -0.1662)
OKLCH	oklch(43.61% 0.166 271.1)
XYZ	xyz(10.7206, 7.6573, 39.4332)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343AB #AB9B33

analogous

#337FAB #3343AB #5F33AB

triadic

#3343AB #AB3343 #43AB33

tetradic

#3343AB #AB337F #AB9B33 #33AB5F

square

#3343AB #AB337F #AB9B33 #33AB5F

split-complementary

#3343AB #AB5F33 #7FAB33

monochromatic

#171E4D #25317C #3343AB #5061CB #7F8BD9

Accessibility & contrast

On white

8.30

#3343AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3343AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343AB

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343AB	#FFFFFF	#000000	##FFFFFF
##3343AB	1.00	8.30	2.53	8.30
#FFFFFF	8.30	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AE

Deuteranopia (green-blind)

#0049A9

Tritanopia (blue-blind)

#005D70

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3343ab;
/* rgb */ color: rgb(51, 67, 171);
/* oklch */ color: oklch(43.6% 0.166 271.1);

Tailwind

colors: {
  custom: {
    50: '#7a77c5',
    500: '#3343ab',
    950: '#000000',
  },
}

SCSS

$custom: #3343ab;
$custom-light: #7a77c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3343ab",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 171
  },
  "hsl": {
    "h": 232,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.43611,
    "c": 0.16626,
    "h": 271.1
  },
  "luminance": 0.07658
}

Semantic roles & 50–950 ramp

primary

#3343AB

secondary

#C2B878

accent

#CA4ADD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3343AB

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

Preview Lab → · Contrast checker → · Palette generator →