#3351CD#3351CD

#3351CD is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.2% C 0.195 H 267.9°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3351CD
RGB	rgb(51, 81, 205)
HSL	hsl(228, 61%, 50%)
HSV	hsv(228, 75%, 80%)
CMYK	cmyk(75.1%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(39.57, 32.60, -67.29)
CIE-LCH	lch(39.57, 74.77, 295.84°)
OKLab	oklab(49.16% -0.0071 -0.1944)
OKLCH	oklch(49.16% 0.195 267.9)
XYZ	xyz(15.3233, 10.9948, 59.0604)
Luminance	0.1100 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351CD #CDAF33

analogous

#339ECD #3351CD #6233CD

triadic

#3351CD #CD3351 #51CD33

tetradic

#3351CD #CD339E #CDAF33 #33CD62

square

#3351CD #CD339E #CDAF33 #33CD62

split-complementary

#3351CD #CD6233 #9ECD33

monochromatic

#1A2A6B #263D9C #3351CD #647BD9 #95A5E5

Accessibility & contrast

On white

6.56

#3351CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3351CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3351CD

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351CD	#FFFFFF	#000000	##FFFFFF
##3351CD	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#0056CB

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3351cd;
/* rgb */ color: rgb(51, 81, 205);
/* oklch */ color: oklch(49.2% 0.195 267.9);

Tailwind

colors: {
  custom: {
    50: '#8181dd',
    500: '#3351cd',
    950: '#000000',
  },
}

SCSS

$custom: #3351cd;
$custom-light: #8181dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3351cd",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 228.312,
    "s": 60.63,
    "l": 50.196
  },
  "oklch": {
    "l": 0.49157,
    "c": 0.19456,
    "h": 267.9
  },
  "luminance": 0.10996
}

Semantic roles & 50–950 ramp

primary

#3351CD

secondary

#D0C38B

accent

#C544E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3351CD

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

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