#3351BE#3351BE

#3351BE is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.175 H 267.6°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#3351BE
RGB	rgb(51, 81, 190)
HSL	hsl(227, 58%, 47%)
HSV	hsv(227, 73%, 75%)
CMYK	cmyk(73.2%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(38.38, 27.10, -60.51)
CIE-LCH	lch(38.38, 66.30, 294.12°)
OKLab	oklab(47.9% -0.0074 -0.1745)
OKLCH	oklch(47.9% 0.175 267.6)
XYZ	xyz(13.5987, 10.3049, 49.9776)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3351BE #BEA033

analogous

#3397BE #3351BE #5A33BE

triadic

#3351BE #BE3351 #51BE33

tetradic

#3351BE #BE3397 #BEA033 #33BE5A

square

#3351BE #BE3397 #BEA033 #33BE5A

split-complementary

#3351BE #BE5A33 #97BE33

monochromatic

#19285E #263C8E #3351BE #5B75D3 #8B9EE0

Accessibility & contrast

On white

6.86

#3351BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#3351BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3351BE

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3351BE	#FFFFFF	#000000	##FFFFFF
##3351BE	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C2

Deuteranopia (green-blind)

#0054BC

Tritanopia (blue-blind)

#006C7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #3351be;
/* rgb */ color: rgb(51, 81, 190);
/* oklch */ color: oklch(47.9% 0.175 267.6);

Tailwind

colors: {
  custom: {
    50: '#7e81d2',
    500: '#3351be',
    950: '#000000',
  },
}

SCSS

$custom: #3351be;
$custom-light: #7e81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3351be",
  "rgb": {
    "r": 51,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 227.05,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.47901,
    "c": 0.17468,
    "h": 267.6
  },
  "luminance": 0.10306
}

Semantic roles & 50–950 ramp

primary

#3351BE

secondary

#CABB83

accent

#C047E1

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3351BE

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

Preview Lab → · Contrast checker → · Palette generator →