#3345A9#3345A9

#3345A9 is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.8% C 0.161 H 270.5°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#3345A9
RGB	rgb(51, 69, 169)
HSL	hsl(231, 54%, 43%)
HSV	hsv(231, 70%, 66%)
CMYK	cmyk(69.8%, 59.2%, 0%, 33.7%)
CIE-LAB	lab(33.61, 27.22, -55.86)
CIE-LCH	lch(33.61, 62.14, 295.98°)
OKLab	oklab(43.82% 0.0015 -0.161)
OKLCH	oklch(43.82% 0.161 270.5)
XYZ	xyz(10.6524, 7.8236, 38.4771)
Luminance	0.0783 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345A9 #A99733

analogous

#3380A9 #3345A9 #5C33A9

triadic

#3345A9 #A93345 #45A933

tetradic

#3345A9 #A93380 #A99733 #33A95C

square

#3345A9 #A93380 #A99733 #33A95C

split-complementary

#3345A9 #A95C33 #80A933

monochromatic

#171F4B #25327A #3345A9 #4F62CA #7E8CD8

Accessibility & contrast

On white

8.19

#3345A9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3345A9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345A9

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345A9	#FFFFFF	#000000	##FFFFFF
##3345A9	1.00	8.19	2.57	8.19
#FFFFFF	8.19	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055AC

Deuteranopia (green-blind)

#004AA7

Tritanopia (blue-blind)

#005E70

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3345a9;
/* rgb */ color: rgb(51, 69, 169);
/* oklch */ color: oklch(43.8% 0.161 270.5);

Tailwind

colors: {
  custom: {
    50: '#7a78c3',
    500: '#3345a9',
    950: '#000000',
  },
}

SCSS

$custom: #3345a9;
$custom-light: #7a78c3;
$custom-dark: #000000;

JSON

{
  "hex": "#3345a9",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 169
  },
  "hsl": {
    "h": 230.847,
    "s": 53.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.43824,
    "c": 0.16101,
    "h": 270.5
  },
  "luminance": 0.07825
}

Semantic roles & 50–950 ramp

primary

#3345A9

secondary

#C1B677

accent

#C74BDD

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #3345A9

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

Preview Lab → · Contrast checker → · Palette generator →