#3451BE#3451BE

#3451BE is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.9% C 0.174 H 267.9°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#3451BE
RGB	rgb(52, 81, 190)
HSL	hsl(227, 57%, 47%)
HSV	hsv(227, 73%, 75%)
CMYK	cmyk(72.6%, 57.4%, 0%, 25.5%)
CIE-LAB	lab(38.43, 27.22, -60.43)
CIE-LCH	lch(38.43, 66.28, 294.25°)
OKLab	oklab(47.95% -0.0065 -0.1743)
OKLCH	oklch(47.95% 0.174 267.9)
XYZ	xyz(13.6496, 10.3312, 49.9800)
Luminance	0.1033 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3451BE #BEA134

analogous

#3496BE #3451BE #5C34BE

triadic

#3451BE #BE3451 #51BE34

tetradic

#3451BE #BE3496 #BEA134 #34BE5C

square

#3451BE #BE3496 #BEA134 #34BE5C

split-complementary

#3451BE #BE5C34 #96BE34

monochromatic

#1A285E #273D8E #3451BE #5D75D3 #8D9EE0

Accessibility & contrast

On white

6.85

#3451BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3451BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3451BE

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3451BE	#FFFFFF	#000000	##FFFFFF
##3451BE	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	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: #3451be;
/* rgb */ color: rgb(52, 81, 190);
/* oklch */ color: oklch(47.9% 0.174 267.9);

Tailwind

colors: {
  custom: {
    50: '#7e81d2',
    500: '#3451be',
    950: '#000000',
  },
}

SCSS

$custom: #3451be;
$custom-light: #7e81d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3451be",
  "rgb": {
    "r": 52,
    "g": 81,
    "b": 190
  },
  "hsl": {
    "h": 227.391,
    "s": 57.025,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47948,
    "c": 0.17439,
    "h": 267.9
  },
  "luminance": 0.10333
}

Semantic roles & 50–950 ramp

primary

#3451BE

secondary

#CABB84

accent

#C048E0

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3451BE

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

Preview Lab → · Contrast checker → · Palette generator →