#3345A5#3345A5

#3345A5 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.5% C 0.155 H 270.5°. Best body text is #FFFFFF at 8.28:1 contrast (WCAG AA passes).

Color values

HEX	#3345A5
RGB	rgb(51, 69, 165)
HSL	hsl(231, 53%, 42%)
HSV	hsv(231, 69%, 65%)
CMYK	cmyk(69.1%, 58.2%, 0%, 35.3%)
CIE-LAB	lab(33.30, 25.75, -53.97)
CIE-LCH	lch(33.30, 59.80, 295.51°)
OKLab	oklab(43.49% 0.0014 -0.1555)
OKLCH	oklch(43.49% 0.155 270.5)
XYZ	xyz(10.2826, 7.6757, 36.5297)
Luminance	0.0768 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345A5 #A59333

analogous

#337EA5 #3345A5 #5A33A5

triadic

#3345A5 #A53345 #45A533

tetradic

#3345A5 #A5337E #A59333 #33A55A

square

#3345A5 #A5337E #A59333 #33A55A

split-complementary

#3345A5 #A55A33 #7EA533

monochromatic

#161E48 #253176 #3345A5 #4D61C8 #7C8AD6

Accessibility & contrast

On white

8.28

#3345A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3345A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345A5

8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345A5	#FFFFFF	#000000	##FFFFFF
##3345A5	1.00	8.28	2.54	8.28
#FFFFFF	8.28	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A8

Deuteranopia (green-blind)

#0049A3

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3345a5;
/* rgb */ color: rgb(51, 69, 165);
/* oklch */ color: oklch(43.5% 0.155 270.5);

Tailwind

colors: {
  custom: {
    50: '#7978c0',
    500: '#3345a5',
    950: '#000000',
  },
}

SCSS

$custom: #3345a5;
$custom-light: #7978c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3345a5",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 165
  },
  "hsl": {
    "h": 230.526,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43491,
    "c": 0.15547,
    "h": 270.5
  },
  "luminance": 0.07677
}

Semantic roles & 50–950 ramp

primary

#3345A5

secondary

#BFB375

accent

#C54CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3345A5

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

Preview Lab → · Contrast checker → · Palette generator →