#3347A5#3347A5

#3347A5 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.9% C 0.153 H 269.9°. Best body text is #FFFFFF at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#3347A5
RGB	rgb(51, 71, 165)
HSL	hsl(229, 53%, 42%)
HSV	hsv(229, 69%, 65%)
CMYK	cmyk(69.1%, 57%, 0%, 35.3%)
CIE-LAB	lab(33.83, 24.43, -53.11)
CIE-LCH	lch(33.83, 58.46, 294.70°)
OKLab	oklab(43.89% -0.0003 -0.1529)
OKLCH	oklch(43.89% 0.153 269.9)
XYZ	xyz(10.4077, 7.9259, 36.5714)
Luminance	0.0793 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347A5 #A59133

analogous

#3380A5 #3347A5 #5833A5

triadic

#3347A5 #A53347 #47A533

tetradic

#3347A5 #A53380 #A59133 #33A558

square

#3347A5 #A53380 #A59133 #33A558

split-complementary

#3347A5 #A55833 #80A533

monochromatic

#161F48 #253376 #3347A5 #4D63C8 #7C8CD6

Accessibility & contrast

On white

8.12

#3347A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#3347A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347A5

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347A5	#FFFFFF	#000000	##FFFFFF
##3347A5	1.00	8.12	2.59	8.12
#FFFFFF	8.12	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055A8

Deuteranopia (green-blind)

#004BA3

Tritanopia (blue-blind)

#005E6F

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3347a5;
/* rgb */ color: rgb(51, 71, 165);
/* oklch */ color: oklch(43.9% 0.153 269.9);

Tailwind

colors: {
  custom: {
    50: '#7979c0',
    500: '#3347a5',
    950: '#000000',
  },
}

SCSS

$custom: #3347a5;
$custom-light: #7979c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3347a5",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 165
  },
  "hsl": {
    "h": 229.474,
    "s": 52.778,
    "l": 42.353
  },
  "oklch": {
    "l": 0.43887,
    "c": 0.15291,
    "h": 269.9
  },
  "luminance": 0.07927
}

Semantic roles & 50–950 ramp

primary

#3347A5

secondary

#BFB275

accent

#C34CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3347A5

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

Preview Lab → · Contrast checker → · Palette generator →