#3341B1#3341B1

#3341B1 is a dark, vivid blue. Relative luminance 0.077; OKLCH L 43.8% C 0.177 H 271.4°. Best body text is #FFFFFF at 8.29:1 contrast (WCAG AA passes).

Color values

HEX	#3341B1
RGB	rgb(51, 65, 177)
HSL	hsl(233, 55%, 45%)
HSV	hsv(233, 71%, 69%)
CMYK	cmyk(71.2%, 63.3%, 0%, 30.6%)
CIE-LAB	lab(33.26, 32.72, -61.20)
CIE-LCH	lch(33.26, 69.40, 298.13°)
OKLab	oklab(43.77% 0.0044 -0.1767)
OKLCH	oklch(43.77% 0.177 271.4)
XYZ	xyz(11.1887, 7.6576, 42.4749)
Luminance	0.0766 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3341B1 #B1A333

analogous

#3380B1 #3341B1 #6433B1

triadic

#3341B1 #B13341 #41B133

tetradic

#3341B1 #B13380 #B1A333 #33B164

square

#3341B1 #B13380 #B1A333 #33B164

split-complementary

#3341B1 #B16433 #80B133

monochromatic

#181E52 #253081 #3341B1 #5461CE #838DDB

Accessibility & contrast

On white

8.29

#3341B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#3341B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3341B1

8.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3341B1	#FFFFFF	#000000	##FFFFFF
##3341B1	1.00	8.29	2.53	8.29
#FFFFFF	8.29	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054B5

Deuteranopia (green-blind)

#0048AF

Tritanopia (blue-blind)

#005E73

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #3341b1;
/* rgb */ color: rgb(51, 65, 177);
/* oklch */ color: oklch(43.8% 0.177 271.4);

Tailwind

colors: {
  custom: {
    50: '#7c75c9',
    500: '#3341b1',
    950: '#000000',
  },
}

SCSS

$custom: #3341b1;
$custom-light: #7c75c9;
$custom-dark: #000000;

JSON

{
  "hex": "#3341b1",
  "rgb": {
    "r": 51,
    "g": 65,
    "b": 177
  },
  "hsl": {
    "h": 233.333,
    "s": 55.263,
    "l": 44.706
  },
  "oklch": {
    "l": 0.43768,
    "c": 0.17679,
    "h": 271.4
  },
  "luminance": 0.07659
}

Semantic roles & 50–950 ramp

primary

#3341B1

secondary

#C5BD7B

accent

#CE49DF

background

#F8F7FC

surface

#EFEDF8

border

#CAC8D1

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #3341B1

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

Preview Lab → · Contrast checker → · Palette generator →