#4551CC#4551CC

#4551CC is a mid, vivid blue. Relative luminance 0.115; OKLCH L 50.0% C 0.188 H 273.2°. Best body text is #FFFFFF at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#4551CC
RGB	rgb(69, 81, 204)
HSL	hsl(235, 57%, 54%)
HSV	hsv(235, 66%, 80%)
CMYK	cmyk(66.2%, 60.3%, 0%, 20%)
CIE-LAB	lab(40.42, 34.54, -65.29)
CIE-LCH	lch(40.42, 73.86, 297.88°)
OKLab	oklab(50.02% 0.0106 -0.1882)
OKLCH	oklch(50.02% 0.188 273.2)
XYZ	xyz(16.2921, 11.5082, 58.4778)
Luminance	0.1151 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551CC #CCC045

analogous

#4594CC #4551CC #7C45CC

triadic

#4551CC #CC4551 #51CC45

tetradic

#4551CC #CC4594 #CCC045 #45CC7C

square

#4551CC #CC4594 #CCC045 #45CC7C

split-complementary

#4551CC #CC7C45 #94CC45

monochromatic

#202876 #2E38A6 #4551CC #757ED9 #A5ABE6

Accessibility & contrast

On white

6.36

#4551CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#4551CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551CC

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551CC	#FFFFFF	#000000	##FFFFFF
##4551CC	1.00	6.36	3.30	6.36
#FFFFFF	6.36	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D0

Deuteranopia (green-blind)

#0059CA

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4551cc;
/* rgb */ color: rgb(69, 81, 204);
/* oklch */ color: oklch(50.0% 0.188 273.2);

Tailwind

colors: {
  custom: {
    50: '#8882dc',
    500: '#4551cc',
    950: '#000000',
  },
}

SCSS

$custom: #4551cc;
$custom-light: #8882dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4551cc",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 204
  },
  "hsl": {
    "h": 234.667,
    "s": 56.962,
    "l": 53.529
  },
  "oklch": {
    "l": 0.50015,
    "c": 0.18845,
    "h": 273.2
  },
  "luminance": 0.1151
}

Semantic roles & 50–950 ramp

primary

#4551CC

secondary

#D3CE99

accent

#D348E0

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551CC

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

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