#3345A7#3345A7

#3345A7 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.7% C 0.158 H 270.5°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3345A7
RGB	rgb(51, 69, 167)
HSL	hsl(231, 53%, 43%)
HSV	hsv(231, 69%, 65%)
CMYK	cmyk(69.5%, 58.7%, 0%, 34.5%)
CIE-LAB	lab(33.45, 26.49, -54.92)
CIE-LCH	lch(33.45, 60.97, 295.75°)
OKLab	oklab(43.66% 0.0014 -0.1582)
OKLCH	oklch(43.66% 0.158 270.5)
XYZ	xyz(10.4660, 7.7491, 37.4959)
Luminance	0.0775 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345A7 #A79533

analogous

#337FA7 #3345A7 #5B33A7

triadic

#3345A7 #A73345 #45A733

tetradic

#3345A7 #A7337F #A79533 #33A75B

square

#3345A7 #A7337F #A79533 #33A75B

split-complementary

#3345A7 #A75B33 #7FA733

monochromatic

#161E49 #253278 #3345A7 #4E61C9 #7D8BD7

Accessibility & contrast

On white

8.24

#3345A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3345A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345A7

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345A7	#FFFFFF	#000000	##FFFFFF
##3345A7	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#005D6F

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3345a7;
/* rgb */ color: rgb(51, 69, 167);
/* oklch */ color: oklch(43.7% 0.158 270.5);

Tailwind

colors: {
  custom: {
    50: '#7978c2',
    500: '#3345a7',
    950: '#000000',
  },
}

SCSS

$custom: #3345a7;
$custom-light: #7978c2;
$custom-dark: #000000;

JSON

{
  "hex": "#3345a7",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 167
  },
  "hsl": {
    "h": 230.69,
    "s": 53.211,
    "l": 42.745
  },
  "oklch": {
    "l": 0.43657,
    "c": 0.15825,
    "h": 270.5
  },
  "luminance": 0.0775
}

Semantic roles & 50–950 ramp

primary

#3345A7

secondary

#C0B576

accent

#C64BDD

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3345A7

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

Preview Lab → · Contrast checker → · Palette generator →