#3341B3#3341B3

#3341B3 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.9% C 0.179 H 271.4°. Best body text is #FFFFFF at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#3341B3
RGB	rgb(51, 65, 179)
HSL	hsl(233, 56%, 45%)
HSV	hsv(233, 72%, 70%)
CMYK	cmyk(71.5%, 63.7%, 0%, 29.8%)
CIE-LAB	lab(33.43, 33.44, -62.11)
CIE-LCH	lch(33.43, 70.54, 298.30°)
OKLab	oklab(43.95% 0.0043 -0.1794)
OKLCH	oklch(43.95% 0.179 271.4)
XYZ	xyz(11.3895, 7.7379, 43.5324)
Luminance	0.0774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3341B3 #B3A533

analogous

#3381B3 #3341B3 #6533B3

triadic

#3341B3 #B33341 #41B333

tetradic

#3341B3 #B33381 #B3A533 #33B365

square

#3341B3 #B33381 #B3A533 #33B365

split-complementary

#3341B3 #B36533 #81B333

monochromatic

#181E54 #253083 #3341B3 #5562CE #848EDC

Accessibility & contrast

On white

8.24

#3341B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#3341B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3341B3

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3341B3	#FFFFFF	#000000	##FFFFFF
##3341B3	1.00	8.24	2.55	8.24
#FFFFFF	8.24	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#0049B1

Tritanopia (blue-blind)

#005E74

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #3341b3;
/* rgb */ color: rgb(51, 65, 179);
/* oklch */ color: oklch(43.9% 0.179 271.4);

Tailwind

colors: {
  custom: {
    50: '#7c75cb',
    500: '#3341b3',
    950: '#000000',
  },
}

SCSS

$custom: #3341b3;
$custom-light: #7c75cb;
$custom-dark: #000000;

JSON

{
  "hex": "#3341b3",
  "rgb": {
    "r": 51,
    "g": 65,
    "b": 179
  },
  "hsl": {
    "h": 233.438,
    "s": 55.652,
    "l": 45.098
  },
  "oklch": {
    "l": 0.43947,
    "c": 0.17945,
    "h": 271.4
  },
  "luminance": 0.07739
}

Semantic roles & 50–950 ramp

primary

#3341B3

secondary

#C6BE7C

accent

#CF49DF

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3341B3

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

Preview Lab → · Contrast checker → · Palette generator →