#3345A6#3345A6

#3345A6 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.6% C 0.157 H 270.5°. Best body text is #FFFFFF at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#3345A6
RGB	rgb(51, 69, 166)
HSL	hsl(231, 53%, 43%)
HSV	hsv(231, 69%, 65%)
CMYK	cmyk(69.3%, 58.4%, 0%, 34.9%)
CIE-LAB	lab(33.38, 26.12, -54.45)
CIE-LCH	lch(33.38, 60.39, 295.63°)
OKLab	oklab(43.57% 0.0014 -0.1568)
OKLCH	oklch(43.57% 0.157 270.5)
XYZ	xyz(10.3740, 7.7122, 37.0109)
Luminance	0.0771 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3345A6 #A69433

analogous

#337EA6 #3345A6 #5B33A6

triadic

#3345A6 #A63345 #45A633

tetradic

#3345A6 #A6337E #A69433 #33A65B

square

#3345A6 #A6337E #A69433 #33A65B

split-complementary

#3345A6 #A65B33 #7EA633

monochromatic

#161E48 #253277 #3345A6 #4E61C9 #7C8BD7

Accessibility & contrast

On white

8.26

#3345A6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.54

#3345A6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3345A6

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3345A6	#FFFFFF	#000000	##FFFFFF
##3345A6	1.00	8.26	2.54	8.26
#FFFFFF	8.26	1.00	21.00	1.00
#000000	2.54	21.00	1.00	21.00
##FFFFFF	8.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054A9

Deuteranopia (green-blind)

#0049A4

Tritanopia (blue-blind)

#005D6E

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3345a6;
/* rgb */ color: rgb(51, 69, 166);
/* oklch */ color: oklch(43.6% 0.157 270.5);

Tailwind

colors: {
  custom: {
    50: '#7978c1',
    500: '#3345a6',
    950: '#000000',
  },
}

SCSS

$custom: #3345a6;
$custom-light: #7978c1;
$custom-dark: #000000;

JSON

{
  "hex": "#3345a6",
  "rgb": {
    "r": 51,
    "g": 69,
    "b": 166
  },
  "hsl": {
    "h": 230.609,
    "s": 52.995,
    "l": 42.549
  },
  "oklch": {
    "l": 0.43573,
    "c": 0.15686,
    "h": 270.5
  },
  "luminance": 0.07713
}

Semantic roles & 50–950 ramp

primary

#3345A6

secondary

#C0B475

accent

#C64BDC

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0912

muted

#7C7B81

Preview Lab

Preview with #3345A6

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

Preview Lab → · Contrast checker → · Palette generator →