#3351CE#3351CE

#3351CE is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.2% C 0.196 H 267.9°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3351CE
RGB	rgb(51, 81, 206)
HSL	hsl(228, 61%, 50%)
HSV	hsv(228, 75%, 81%)
CMYK	cmyk(75.2%, 60.7%, 0%, 19.2%)
CIE-LAB	lab(39.65, 32.96, -67.74)
CIE-LCH	lch(39.65, 75.33, 295.95°)
OKLab	oklab(49.24% -0.0071 -0.1957)
OKLCH	oklch(49.24% 0.196 267.9)
XYZ	xyz(15.4444, 11.0432, 59.6981)
Luminance	0.1105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351CE #CEB033

analogous

#339FCE #3351CE #6233CE

triadic

#3351CE #CE3351 #51CE33

tetradic

#3351CE #CE339F #CEB033 #33CE62

square

#3351CE #CE339F #CEB033 #33CE62

split-complementary

#3351CE #CE6233 #9FCE33

monochromatic

#1A2A6D #263D9E #3351CE #647BDA #96A5E6

Accessibility & contrast

On white

6.54

#3351CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3351CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3351CE

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351CE	#FFFFFF	#000000	##FFFFFF
##3351CE	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D2

Deuteranopia (green-blind)

#0056CC

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3351ce;
/* rgb */ color: rgb(51, 81, 206);
/* oklch */ color: oklch(49.2% 0.196 267.9);

Tailwind

colors: {
  custom: {
    50: '#8181de',
    500: '#3351ce',
    950: '#000000',
  },
}

SCSS

$custom: #3351ce;
$custom-light: #8181de;
$custom-dark: #000000;

JSON

{
  "hex": "#3351ce",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 206
  },
  "hsl": {
    "h": 228.387,
    "s": 61.265,
    "l": 50.392
  },
  "oklch": {
    "l": 0.49243,
    "c": 0.19587,
    "h": 267.9
  },
  "luminance": 0.11045
}

Semantic roles & 50–950 ramp

primary

#3351CE

secondary

#D1C48C

accent

#C543E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3351CE

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

Preview Lab → · Contrast checker → · Palette generator →