#3340A7#3340A7

#3340A7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.7% C 0.165 H 271.9°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#3340A7
RGB	rgb(51, 64, 167)
HSL	hsl(233, 53%, 43%)
HSV	hsv(233, 69%, 65%)
CMYK	cmyk(69.5%, 61.7%, 0%, 34.5%)
CIE-LAB	lab(32.17, 29.76, -57.02)
CIE-LCH	lch(32.17, 64.32, 297.57°)
OKLab	oklab(42.7% 0.0055 -0.1645)
OKLCH	oklch(42.7% 0.165 271.9)
XYZ	xyz(10.1713, 7.1596, 37.3976)
Luminance	0.0716 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340A7 #A79A33

analogous

#337AA7 #3340A7 #6033A7

triadic

#3340A7 #A73340 #40A733

tetradic

#3340A7 #A7337A #A79A33 #33A760

square

#3340A7 #A7337A #A79A33 #33A760

split-complementary

#3340A7 #A76033 #7AA733

monochromatic

#161C49 #252E78 #3340A7 #4E5CC9 #7D87D7

Accessibility & contrast

On white

8.63

#3340A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#3340A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340A7

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340A7	#FFFFFF	#000000	##FFFFFF
##3340A7	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051AA

Deuteranopia (green-blind)

#0046A5

Tritanopia (blue-blind)

#005A6D

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3340a7;
/* rgb */ color: rgb(51, 64, 167);
/* oklch */ color: oklch(42.7% 0.165 271.9);

Tailwind

colors: {
  custom: {
    50: '#7a74c2',
    500: '#3340a7',
    950: '#000000',
  },
}

SCSS

$custom: #3340a7;
$custom-light: #7a74c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3340a7",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 167
  },
  "hsl": {
    "h": 233.276,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.42701,
    "c": 0.16454,
    "h": 271.9
  },
  "luminance": 0.07161
}

Semantic roles & 50–950 ramp

primary

#3340A7

secondary

#C0B876

accent

#CC4BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3340A7

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

Preview Lab → · Contrast checker → · Palette generator →