#3347AD#3347AD

#3347AD is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.5% C 0.164 H 270.0°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#3347AD
RGB	rgb(51, 71, 173)
HSL	hsl(230, 54%, 44%)
HSV	hsv(230, 71%, 68%)
CMYK	cmyk(70.5%, 59%, 0%, 32.2%)
CIE-LAB	lab(34.45, 27.37, -56.88)
CIE-LCH	lch(34.45, 63.13, 295.70°)
OKLab	oklab(44.55% -0.0001 -0.164)
OKLCH	oklch(44.55% 0.164 270)
XYZ	xyz(11.1587, 8.2263, 40.5268)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347AD #AD9933

analogous

#3384AD #3347AD #5C33AD

triadic

#3347AD #AD3347 #47AD33

tetradic

#3347AD #AD3384 #AD9933 #33AD5C

square

#3347AD #AD3384 #AD9933 #33AD5C

split-complementary

#3347AD #AD5C33 #84AD33

monochromatic

#17204E #25347E #3347AD #5165CC #818FDA

Accessibility & contrast

On white

7.94

#3347AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3347AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347AD

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347AD	#FFFFFF	#000000	##FFFFFF
##3347AD	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B0

Deuteranopia (green-blind)

#004CAB

Tritanopia (blue-blind)

#006073

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3347ad;
/* rgb */ color: rgb(51, 71, 173);
/* oklch */ color: oklch(44.5% 0.164 270.0);

Tailwind

colors: {
  custom: {
    50: '#7b7ac6',
    500: '#3347ad',
    950: '#000000',
  },
}

SCSS

$custom: #3347ad;
$custom-light: #7b7ac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3347ad",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 173
  },
  "hsl": {
    "h": 230.164,
    "s": 54.464,
    "l": 43.922
  },
  "oklch": {
    "l": 0.44546,
    "c": 0.16399,
    "h": 270
  },
  "luminance": 0.08227
}

Semantic roles & 50–950 ramp

primary

#3347AD

secondary

#C3B779

accent

#C64ADE

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3347AD

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

Preview Lab → · Contrast checker → · Palette generator →