#3345B4#3345B4

#3345B4 is a dark, vivid blue. Relative luminance 0.083; OKLCH L 44.8% C 0.176 H 270.5°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#3345B4
RGB	rgb(51, 69, 180)
HSL	hsl(232, 56%, 45%)
HSV	hsv(232, 72%, 71%)
CMYK	cmyk(71.7%, 61.7%, 0%, 29.4%)
CIE-LAB	lab(34.51, 31.23, -60.95)
CIE-LCH	lch(34.51, 68.48, 297.13°)
OKLab	oklab(44.77% 0.0014 -0.1759)
OKLCH	oklch(44.77% 0.176 270.5)
XYZ	xyz(11.7288, 8.2542, 44.1463)
Luminance	0.0825 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345B4 #B4A233

analogous

#3385B4 #3345B4 #6133B4

triadic

#3345B4 #B43345 #45B433

tetradic

#3345B4 #B43385 #B4A233 #33B461

square

#3345B4 #B43385 #B4A233 #33B461

split-complementary

#3345B4 #B46133 #85B433

monochromatic

#182055 #253384 #3345B4 #5566CF #8591DC

Accessibility & contrast

On white

7.92

#3345B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#3345B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345B4

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345B4	#FFFFFF	#000000	##FFFFFF
##3345B4	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057B8

Deuteranopia (green-blind)

#004BB2

Tritanopia (blue-blind)

#006176

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3345b4;
/* rgb */ color: rgb(51, 69, 180);
/* oklch */ color: oklch(44.8% 0.176 270.5);

Tailwind

colors: {
  custom: {
    50: '#7c78cb',
    500: '#3345b4',
    950: '#000000',
  },
}

SCSS

$custom: #3345b4;
$custom-light: #7c78cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3345b4",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 180
  },
  "hsl": {
    "h": 231.628,
    "s": 55.844,
    "l": 45.294
  },
  "oklch": {
    "l": 0.44766,
    "c": 0.17595,
    "h": 270.5
  },
  "luminance": 0.08255
}

Semantic roles & 50–950 ramp

primary

#3345B4

secondary

#C6BC7D

accent

#CA49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #3345B4

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

Preview Lab → · Contrast checker → · Palette generator →