#4551C5#4551C5

#4551C5 is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.4% C 0.179 H 273.4°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#4551C5
RGB	rgb(69, 81, 197)
HSL	hsl(234, 52%, 52%)
HSV	hsv(234, 65%, 77%)
CMYK	cmyk(65%, 58.9%, 0%, 22.7%)
CIE-LAB	lab(39.88, 32.13, -62.11)
CIE-LCH	lch(39.88, 69.93, 297.35°)
OKLab	oklab(49.44% 0.0107 -0.1788)
OKLCH	oklch(49.44% 0.179 273.4)
XYZ	xyz(15.4714, 11.1799, 54.1551)
Luminance	0.1118 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551C5 #C5B945

analogous

#4591C5 #4551C5 #7945C5

triadic

#4551C5 #C54551 #51C545

tetradic

#4551C5 #C54591 #C5B945 #45C579

square

#4551C5 #C54591 #C5B945 #45C579

split-complementary

#4551C5 #C57945 #91C545

monochromatic

#22296D #313B9C #4551C5 #747DD4 #A2A8E2

Accessibility & contrast

On white

6.49

#4551C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#4551C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551C5

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551C5	#FFFFFF	#000000	##FFFFFF
##4551C5	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C9

Deuteranopia (green-blind)

#0058C3

Tritanopia (blue-blind)

#006D83

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4551c5;
/* rgb */ color: rgb(69, 81, 197);
/* oklch */ color: oklch(49.4% 0.179 273.4);

Tailwind

colors: {
  custom: {
    50: '#8781d7',
    500: '#4551c5',
    950: '#000000',
  },
}

SCSS

$custom: #4551c5;
$custom-light: #8781d7;
$custom-dark: #000000;

JSON

{
  "hex": "#4551c5",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 197
  },
  "hsl": {
    "h": 234.375,
    "s": 52.459,
    "l": 52.157
  },
  "oklch": {
    "l": 0.49444,
    "c": 0.17914,
    "h": 273.4
  },
  "luminance": 0.11181
}

Semantic roles & 50–950 ramp

primary

#4551C5

secondary

#CFCA97

accent

#CE4CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #4551C5

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

Preview Lab → · Contrast checker → · Palette generator →