#3337C0#3337C0

#3337C0 is a dark, highly saturated blue. Relative luminance 0.072; OKLCH L 43.5% C 0.207 H 272.5°. Best body text is #FFFFFF at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#3337C0
RGB	rgb(51, 55, 192)
HSL	hsl(238, 58%, 48%)
HSV	hsv(238, 73%, 75%)
CMYK	cmyk(73.4%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(32.35, 44.11, -71.57)
CIE-LCH	lch(32.35, 84.07, 301.65°)
OKLab	oklab(43.53% 0.0091 -0.2071)
OKLCH	oklch(43.53% 0.207 272.5)
XYZ	xyz(12.2427, 7.2407, 50.6113)
Luminance	0.0724 (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

#3337C0 #C0BC33

analogous

#337DC0 #3337C0 #7633C0

triadic

#3337C0 #C03337 #37C033

tetradic

#3337C0 #C0337D #C0BC33 #33C076

square

#3337C0 #C0337D #C0BC33 #33C076

split-complementary

#3337C0 #C07633 #7DC033

monochromatic

#191B5F #262990 #3337C0 #5C60D4 #8D8FE1

Accessibility & contrast

On white

8.58

#3337C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#3337C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3337C0

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3337C0	#FFFFFF	#000000	##FFFFFF
##3337C0	1.00	8.58	2.45	8.58
#FFFFFF	8.58	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053C4

Deuteranopia (green-blind)

#0045BE

Tritanopia (blue-blind)

#005E78

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3337c0;
/* rgb */ color: rgb(51, 55, 192);
/* oklch */ color: oklch(43.5% 0.207 272.5);

Tailwind

colors: {
  custom: {
    50: '#806fd4',
    500: '#3337c0',
    950: '#000000',
  },
}

SCSS

$custom: #3337c0;
$custom-light: #806fd4;
$custom-dark: #000000;

JSON

{
  "hex": "#3337c0",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 238.298,
    "s": 58.025,
    "l": 47.647
  },
  "oklch": {
    "l": 0.43527,
    "c": 0.20726,
    "h": 272.5
  },
  "luminance": 0.07242
}

Semantic roles & 50–950 ramp

primary

#3337C0

secondary

#CBC984

accent

#DD47E1

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0C0714

muted

#7D7A83

Preview Lab

Preview with #3337C0

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

Preview Lab → · Contrast checker → · Palette generator →