#3347B4#3347B4

#3347B4 is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.1% C 0.173 H 270.0°. Best body text is #FFFFFF at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#3347B4
RGB	rgb(51, 71, 180)
HSL	hsl(231, 56%, 45%)
HSV	hsv(231, 72%, 71%)
CMYK	cmyk(71.7%, 60.6%, 0%, 29.4%)
CIE-LAB	lab(35.01, 29.93, -60.12)
CIE-LCH	lch(35.01, 67.16, 296.47°)
OKLab	oklab(45.14% -0.0001 -0.1735)
OKLCH	oklch(45.14% 0.174 270)
XYZ	xyz(11.8539, 8.5044, 44.1880)
Luminance	0.0851 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3347B4 #B4A033

analogous

#3387B4 #3347B4 #6033B4

triadic

#3347B4 #B43347 #47B433

tetradic

#3347B4 #B43387 #B4A033 #33B460

square

#3347B4 #B43387 #B4A033 #33B460

split-complementary

#3347B4 #B46033 #87B433

monochromatic

#182155 #253484 #3347B4 #5568CF #8593DC

Accessibility & contrast

On white

7.77

#3347B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#3347B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3347B4

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3347B4	#FFFFFF	#000000	##FFFFFF
##3347B4	1.00	7.77	2.70	7.77
#FFFFFF	7.77	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B8

Deuteranopia (green-blind)

#004DB2

Tritanopia (blue-blind)

#006276

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3347b4;
/* rgb */ color: rgb(51, 71, 180);
/* oklch */ color: oklch(45.1% 0.173 270.0);

Tailwind

colors: {
  custom: {
    50: '#7c7acb',
    500: '#3347b4',
    950: '#000000',
  },
}

SCSS

$custom: #3347b4;
$custom-light: #7c7acb;
$custom-dark: #000000;

JSON

{
  "hex": "#3347b4",
  "rgb": {
    "r": 51,
    "g": 71,
    "b": 180
  },
  "hsl": {
    "h": 230.698,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.4514,
    "c": 0.1735,
    "h": 270
  },
  "luminance": 0.08506
}

Semantic roles & 50–950 ramp

primary

#3347B4

secondary

#C6BB7D

accent

#C849DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3347B4

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

Preview Lab → · Contrast checker → · Palette generator →