#3338B2#3338B2

#3338B2 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 42.3% C 0.189 H 273.2°. Best body text is #FFFFFF at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#3338B2
RGB	rgb(51, 56, 178)
HSL	hsl(238, 55%, 45%)
HSV	hsv(238, 71%, 70%)
CMYK	cmyk(71.3%, 68.5%, 0%, 30.2%)
CIE-LAB	lab(31.22, 38.74, -65.14)
CIE-LCH	lch(31.22, 75.79, 300.74°)
OKLab	oklab(42.31% 0.0104 -0.1883)
OKLCH	oklch(42.31% 0.189 273.2)
XYZ	xyz(10.8126, 6.7454, 42.8430)
Luminance	0.0675 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3338B2 #B2AD33

analogous

#3377B2 #3338B2 #6E33B2

triadic

#3338B2 #B23338 #38B233

tetradic

#3338B2 #B23377 #B2AD33 #33B26E

square

#3338B2 #B23377 #B2AD33 #33B26E

split-complementary

#3338B2 #B26E33 #77B233

monochromatic

#181A53 #252982 #3338B2 #5459CE #8487DC

Accessibility & contrast

On white

8.94

#3338B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#3338B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3338B2

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3338B2	#FFFFFF	#000000	##FFFFFF
##3338B2	1.00	8.94	2.35	8.94
#FFFFFF	8.94	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FB6

Deuteranopia (green-blind)

#0044B0

Tritanopia (blue-blind)

#005970

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #3338b2;
/* rgb */ color: rgb(51, 56, 178);
/* oklch */ color: oklch(42.3% 0.189 273.2);

Tailwind

colors: {
  custom: {
    50: '#7d6fca',
    500: '#3338b2',
    950: '#000000',
  },
}

SCSS

$custom: #3338b2;
$custom-light: #7d6fca;
$custom-dark: #000000;

JSON

{
  "hex": "#3338b2",
  "rgb": {
    "r": 51,
    "g": 56,
    "b": 178
  },
  "hsl": {
    "h": 237.638,
    "s": 55.459,
    "l": 44.902
  },
  "oklch": {
    "l": 0.42307,
    "c": 0.1886,
    "h": 273.2
  },
  "luminance": 0.06747
}

Semantic roles & 50–950 ramp

primary

#3338B2

secondary

#C5C27C

accent

#D949DF

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3338B2

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

Preview Lab → · Contrast checker → · Palette generator →