#3371DE#3371DE

#3371DE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.8% C 0.179 H 260.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3371DE
RGB	rgb(51, 113, 222)
HSL	hsl(218, 72%, 54%)
HSV	hsv(218, 77%, 87%)
CMYK	cmyk(77%, 49.1%, 0%, 12.9%)
CIE-LAB	lab(49.23, 18.43, -61.32)
CIE-LCH	lch(49.23, 64.03, 286.72°)
OKLab	oklab(56.84% -0.0287 -0.1764)
OKLCH	oklch(56.84% 0.179 260.8)
XYZ	xyz(20.4504, 17.7856, 71.4482)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3371DE #DEA033

analogous

#33C6DE #3371DE #4A33DE

triadic

#3371DE #DE3371 #71DE33

tetradic

#3371DE #DE33C6 #DEA033 #33DE4A

square

#3371DE #DE33C6 #DEA033 #33DE4A

split-complementary

#3371DE #DE4A33 #C6DE33

monochromatic

#153C82 #1D55B6 #3371DE #6896E7 #9CBAEF

Accessibility & contrast

On white

4.61

#3371DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3371DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3371DE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3371DE	#FFFFFF	#000000	##FFFFFF
##3371DE	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#307DE2

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#008B9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3371de;
/* rgb */ color: rgb(51, 113, 222);
/* oklch */ color: oklch(56.8% 0.179 260.8);

Tailwind

colors: {
  custom: {
    50: '#8399e9',
    500: '#3371de',
    950: '#000000',
  },
}

SCSS

$custom: #3371de;
$custom-light: #8399e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3371de",
  "rgb": {
    "r": 51,
    "g": 113,
    "b": 222
  },
  "hsl": {
    "h": 218.246,
    "s": 72.152,
    "l": 53.529
  },
  "oklch": {
    "l": 0.56843,
    "c": 0.17868,
    "h": 260.8
  },
  "luminance": 0.17788
}

Semantic roles & 50–950 ramp

primary

#3371DE

secondary

#DBC092

accent

#AD39EF

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3371DE

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

Preview Lab → · Contrast checker → · Palette generator →