#3343A3#3343A3

#3343A3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.155 H 271.1°. Best body text is #FFFFFF at 8.49:1 contrast (WCAG AA passes).

Color values

HEX	#3343A3
RGB	rgb(51, 67, 163)
HSL	hsl(231, 52%, 42%)
HSV	hsv(231, 69%, 64%)
CMYK	cmyk(68.7%, 58.9%, 0%, 36.1%)
CIE-LAB	lab(32.62, 26.34, -53.88)
CIE-LCH	lch(32.62, 59.98, 296.05°)
OKLab	oklab(42.93% 0.0031 -0.1552)
OKLCH	oklch(42.93% 0.155 271.1)
XYZ	xyz(9.9810, 7.3615, 35.5381)
Luminance	0.0736 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3343A3 #A39333

analogous

#337BA3 #3343A3 #5B33A3

triadic

#3343A3 #A33343 #43A333

tetradic

#3343A3 #A3337B #A39333 #33A35B

square

#3343A3 #A3337B #A39333 #33A35B

split-complementary

#3343A3 #A35B33 #7BA333

monochromatic

#161D46 #243074 #3343A3 #4C5EC7 #7B88D6

Accessibility & contrast

On white

8.49

#3343A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#3343A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3343A3

8.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3343A3	#FFFFFF	#000000	##FFFFFF
##3343A3	1.00	8.49	2.47	8.49
#FFFFFF	8.49	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0048A1

Tritanopia (blue-blind)

#005B6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3343a3;
/* rgb */ color: rgb(51, 67, 163);
/* oklch */ color: oklch(42.9% 0.155 271.1);

Tailwind

colors: {
  custom: {
    50: '#7977bf',
    500: '#3343a3',
    950: '#000000',
  },
}

SCSS

$custom: #3343a3;
$custom-light: #7977bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3343a3",
  "rgb": {
    "r": 51,
    "g": 67,
    "b": 163
  },
  "hsl": {
    "h": 231.429,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42933,
    "c": 0.15525,
    "h": 271.1
  },
  "luminance": 0.07362
}

Semantic roles & 50–950 ramp

primary

#3343A3

secondary

#BEB473

accent

#C74CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3343A3

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

Preview Lab → · Contrast checker → · Palette generator →