#4551CD#4551CD

#4551CD is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.1% C 0.190 H 273.2°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#4551CD
RGB	rgb(69, 81, 205)
HSL	hsl(235, 58%, 54%)
HSV	hsv(235, 66%, 80%)
CMYK	cmyk(66.3%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(40.50, 34.88, -65.74)
CIE-LCH	lch(40.50, 74.42, 297.95°)
OKLab	oklab(50.1% 0.0106 -0.1895)
OKLCH	oklch(50.1% 0.19 273.2)
XYZ	xyz(16.4124, 11.5564, 59.1114)
Luminance	0.1156 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4551CD #CDC145

analogous

#4595CD #4551CD #7D45CD

triadic

#4551CD #CD4551 #51CD45

tetradic

#4551CD #CD4595 #CDC145 #45CD7D

square

#4551CD #CD4595 #CDC145 #45CD7D

split-complementary

#4551CD #CD7D45 #95CD45

monochromatic

#202877 #2D38A8 #4551CD #757EDA #A5ABE7

Accessibility & contrast

On white

6.34

#4551CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#4551CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4551CD

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4551CD	#FFFFFF	#000000	##FFFFFF
##4551CD	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D1

Deuteranopia (green-blind)

#0059CB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4551cd;
/* rgb */ color: rgb(69, 81, 205);
/* oklch */ color: oklch(50.1% 0.190 273.2);

Tailwind

colors: {
  custom: {
    50: '#8882dd',
    500: '#4551cd',
    950: '#000000',
  },
}

SCSS

$custom: #4551cd;
$custom-light: #8882dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4551cd",
  "rgb": {
    "r": 69,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 234.706,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.50097,
    "c": 0.18976,
    "h": 273.2
  },
  "luminance": 0.11558
}

Semantic roles & 50–950 ramp

primary

#4551CD

secondary

#D4CF9A

accent

#D347E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4551CD

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

Preview Lab → · Contrast checker → · Palette generator →