#3351C5#3351C5

#3351C5 is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.184 H 267.8°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#3351C5
RGB	rgb(51, 81, 197)
HSL	hsl(228, 59%, 49%)
HSV	hsv(228, 74%, 77%)
CMYK	cmyk(74.1%, 58.9%, 0%, 22.7%)
CIE-LAB	lab(38.93, 29.67, -63.70)
CIE-LCH	lch(38.93, 70.28, 294.98°)
OKLab	oklab(48.48% -0.0072 -0.1839)
OKLCH	oklch(48.48% 0.184 267.8)
XYZ	xyz(14.3822, 10.6183, 54.1041)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351C5 #C5A733

analogous

#339AC5 #3351C5 #5E33C5

triadic

#3351C5 #C53351 #51C533

tetradic

#3351C5 #C5339A #C5A733 #33C55E

square

#3351C5 #C5339A #C5A733 #33C55E

split-complementary

#3351C5 #C55E33 #9AC533

monochromatic

#1A2964 #263D94 #3351C5 #5F78D6 #90A1E2

Accessibility & contrast

On white

6.72

#3351C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#3351C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3351C5

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351C5	#FFFFFF	#000000	##FFFFFF
##3351C5	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C9

Deuteranopia (green-blind)

#0055C3

Tritanopia (blue-blind)

#006E83

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3351c5;
/* rgb */ color: rgb(51, 81, 197);
/* oklch */ color: oklch(48.5% 0.184 267.8);

Tailwind

colors: {
  custom: {
    50: '#7f81d7',
    500: '#3351c5',
    950: '#000000',
  },
}

SCSS

$custom: #3351c5;
$custom-light: #7f81d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3351c5",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 197
  },
  "hsl": {
    "h": 227.671,
    "s": 58.871,
    "l": 48.627
  },
  "oklch": {
    "l": 0.4848,
    "c": 0.18404,
    "h": 267.8
  },
  "luminance": 0.1062
}

Semantic roles & 50–950 ramp

primary

#3351C5

secondary

#CDBF87

accent

#C246E2

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3351C5

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

Preview Lab → · Contrast checker → · Palette generator →