#3345A4#3345A4

#3345A4 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 43.4% C 0.154 H 270.5°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#3345A4
RGB	rgb(51, 69, 164)
HSL	hsl(230, 53%, 42%)
HSV	hsv(230, 69%, 64%)
CMYK	cmyk(68.9%, 57.9%, 0%, 35.7%)
CIE-LAB	lab(33.22, 25.39, -53.50)
CIE-LCH	lch(33.22, 59.22, 295.38°)
OKLab	oklab(43.41% 0.0014 -0.1541)
OKLCH	oklch(43.41% 0.154 270.5)
XYZ	xyz(10.1919, 7.6394, 36.0522)
Luminance	0.0764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345A4 #A49233

analogous

#337EA4 #3345A4 #5933A4

triadic

#3345A4 #A43345 #45A433

tetradic

#3345A4 #A4337E #A49233 #33A459

square

#3345A4 #A4337E #A49233 #33A459

split-complementary

#3345A4 #A45933 #7EA433

monochromatic

#161E47 #243175 #3345A4 #4D60C8 #7B8AD6

Accessibility & contrast

On white

8.31

#3345A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3345A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345A4

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345A4	#FFFFFF	#000000	##FFFFFF
##3345A4	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A7

Deuteranopia (green-blind)

#0049A2

Tritanopia (blue-blind)

#005C6D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3345a4;
/* rgb */ color: rgb(51, 69, 164);
/* oklch */ color: oklch(43.4% 0.154 270.5);

Tailwind

colors: {
  custom: {
    50: '#7978c0',
    500: '#3345a4',
    950: '#000000',
  },
}

SCSS

$custom: #3345a4;
$custom-light: #7978c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3345a4",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 164
  },
  "hsl": {
    "h": 230.442,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.43408,
    "c": 0.15408,
    "h": 270.5
  },
  "luminance": 0.0764
}

Semantic roles & 50–950 ramp

primary

#3345A4

secondary

#BFB374

accent

#C54CDC

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3345A4

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

Preview Lab → · Contrast checker → · Palette generator →