#3342B3#3342B3

#3342B3 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 44.1% C 0.178 H 271.2°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#3342B3
RGB	rgb(51, 66, 179)
HSL	hsl(233, 56%, 45%)
HSV	hsv(233, 72%, 70%)
CMYK	cmyk(71.5%, 63.1%, 0%, 29.8%)
CIE-LAB	lab(33.68, 32.80, -61.71)
CIE-LCH	lch(33.68, 69.89, 297.99°)
OKLab	oklab(44.13% 0.0036 -0.1782)
OKLCH	oklch(44.13% 0.178 271.2)
XYZ	xyz(11.4474, 7.8538, 43.5517)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3342B3 #B3A433

analogous

#3382B3 #3342B3 #6433B3

triadic

#3342B3 #B33342 #42B333

tetradic

#3342B3 #B33382 #B3A433 #33B364

square

#3342B3 #B33382 #B3A433 #33B364

split-complementary

#3342B3 #B36433 #82B333

monochromatic

#181F54 #253083 #3342B3 #5563CE #848FDC

Accessibility & contrast

On white

8.17

#3342B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#3342B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3342B3

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3342B3	#FFFFFF	#000000	##FFFFFF
##3342B3	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005F74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3342b3;
/* rgb */ color: rgb(51, 66, 179);
/* oklch */ color: oklch(44.1% 0.178 271.2);

Tailwind

colors: {
  custom: {
    50: '#7c76cb',
    500: '#3342b3',
    950: '#000000',
  },
}

SCSS

$custom: #3342b3;
$custom-light: #7c76cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3342b3",
  "rgb": {
    "r": 51,
    "g": 66,
    "b": 179
  },
  "hsl": {
    "h": 232.969,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.44127,
    "c": 0.17825,
    "h": 271.2
  },
  "luminance": 0.07855
}

Semantic roles & 50–950 ramp

primary

#3342B3

secondary

#C6BD7C

accent

#CD49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3342B3

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

Preview Lab → · Contrast checker → · Palette generator →