#3340A5#3340A5

#3340A5 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.162 H 272.0°. Best body text is #FFFFFF at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#3340A5
RGB	rgb(51, 64, 165)
HSL	hsl(233, 53%, 42%)
HSV	hsv(233, 69%, 65%)
CMYK	cmyk(69.1%, 61.2%, 0%, 35.3%)
CIE-LAB	lab(32.00, 29.04, -56.08)
CIE-LCH	lch(32.00, 63.16, 297.37°)
OKLab	oklab(42.53% 0.0055 -0.1617)
OKLCH	oklch(42.53% 0.162 272)
XYZ	xyz(9.9879, 7.0863, 36.4314)
Luminance	0.0709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340A5 #A59833

analogous

#3379A5 #3340A5 #5F33A5

triadic

#3340A5 #A53340 #40A533

tetradic

#3340A5 #A53379 #A59833 #33A55F

square

#3340A5 #A53379 #A59833 #33A55F

split-complementary

#3340A5 #A55F33 #79A533

monochromatic

#161C48 #252E76 #3340A5 #4D5BC8 #7C86D6

Accessibility & contrast

On white

8.69

#3340A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#3340A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340A5

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340A5	#FFFFFF	#000000	##FFFFFF
##3340A5	1.00	8.69	2.42	8.69
#FFFFFF	8.69	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A8

Deuteranopia (green-blind)

#0046A3

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3340a5;
/* rgb */ color: rgb(51, 64, 165);
/* oklch */ color: oklch(42.5% 0.162 272.0);

Tailwind

colors: {
  custom: {
    50: '#7974c1',
    500: '#3340a5',
    950: '#000000',
  },
}

SCSS

$custom: #3340a5;
$custom-light: #7974c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3340a5",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 165
  },
  "hsl": {
    "h": 233.158,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.42528,
    "c": 0.16181,
    "h": 272
  },
  "luminance": 0.07087
}

Semantic roles & 50–950 ramp

primary

#3340A5

secondary

#BFB775

accent

#CC4CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3340A5

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

Preview Lab → · Contrast checker → · Palette generator →