#3340A1#3340A1

#3340A1 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.2% C 0.156 H 272.0°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#3340A1
RGB	rgb(51, 64, 161)
HSL	hsl(233, 52%, 42%)
HSV	hsv(233, 68%, 63%)
CMYK	cmyk(68.3%, 60.2%, 0%, 36.9%)
CIE-LAB	lab(31.68, 27.59, -54.21)
CIE-LCH	lch(31.68, 60.82, 296.97°)
OKLab	oklab(42.18% 0.0056 -0.1562)
OKLCH	oklch(42.18% 0.156 272)
XYZ	xyz(9.6295, 6.9429, 34.5439)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3340A1 #A19433

analogous

#3377A1 #3340A1 #5D33A1

triadic

#3340A1 #A13340 #40A133

tetradic

#3340A1 #A13377 #A19433 #33A15D

square

#3340A1 #A13377 #A19433 #33A15D

split-complementary

#3340A1 #A15D33 #77A133

monochromatic

#161B44 #242E73 #3340A1 #4B5AC6 #7A84D5

Accessibility & contrast

On white

8.79

#3340A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#3340A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3340A1

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3340A1	#FFFFFF	#000000	##FFFFFF
##3340A1	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A4

Deuteranopia (green-blind)

#00469F

Tritanopia (blue-blind)

#00586A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3340a1;
/* rgb */ color: rgb(51, 64, 161);
/* oklch */ color: oklch(42.2% 0.156 272.0);

Tailwind

colors: {
  custom: {
    50: '#7974be',
    500: '#3340a1',
    950: '#000000',
  },
}

SCSS

$custom: #3340a1;
$custom-light: #7974be;
$custom-dark: #000000;

JSON

{
  "hex": "#3340a1",
  "rgb": {
    "r": 51,
    "g": 64,
    "b": 161
  },
  "hsl": {
    "h": 232.909,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42184,
    "c": 0.1563,
    "h": 272
  },
  "luminance": 0.06944
}

Semantic roles & 50–950 ramp

primary

#3340A1

secondary

#BDB472

accent

#CA4CDB

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #3340A1

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

Preview Lab → · Contrast checker → · Palette generator →