#3340A3#3340A3

#3340A3 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.4% C 0.159 H 272.0°. Best body text is #FFFFFF at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#3340A3
RGB	rgb(51, 64, 163)
HSL	hsl(233, 52%, 42%)
HSV	hsv(233, 69%, 64%)
CMYK	cmyk(68.7%, 60.7%, 0%, 36.1%)
CIE-LAB	lab(31.84, 28.32, -55.15)
CIE-LCH	lch(31.84, 61.99, 297.18°)
OKLab	oklab(42.36% 0.0056 -0.159)
OKLCH	oklch(42.36% 0.159 272)
XYZ	xyz(9.8073, 7.0140, 35.4802)
Luminance	0.0702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340A3 #A39633

analogous

#3378A3 #3340A3 #5E33A3

triadic

#3340A3 #A33340 #40A333

tetradic

#3340A3 #A33378 #A39633 #33A35E

square

#3340A3 #A33378 #A39633 #33A35E

split-complementary

#3340A3 #A35E33 #78A333

monochromatic

#161B46 #242E74 #3340A3 #4C5AC7 #7B85D6

Accessibility & contrast

On white

8.74

#3340A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#3340A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340A3

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340A3	#FFFFFF	#000000	##FFFFFF
##3340A3	1.00	8.74	2.40	8.74
#FFFFFF	8.74	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A6

Deuteranopia (green-blind)

#0046A1

Tritanopia (blue-blind)

#00596B

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3340a3;
/* rgb */ color: rgb(51, 64, 163);
/* oklch */ color: oklch(42.4% 0.159 272.0);

Tailwind

colors: {
  custom: {
    50: '#7974bf',
    500: '#3340a3',
    950: '#000000',
  },
}

SCSS

$custom: #3340a3;
$custom-light: #7974bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3340a3",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 163
  },
  "hsl": {
    "h": 233.036,
    "s": 52.336,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42355,
    "c": 0.15907,
    "h": 272
  },
  "luminance": 0.07015
}

Semantic roles & 50–950 ramp

primary

#3340A3

secondary

#BEB673

accent

#CB4CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3340A3

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

Preview Lab → · Contrast checker → · Palette generator →