#4550BC#4550BC

#4550BC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.168 H 273.9°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#4550BC
RGB	rgb(69, 80, 188)
HSL	hsl(234, 47%, 50%)
HSV	hsv(234, 63%, 74%)
CMYK	cmyk(63.3%, 57.4%, 0%, 26.3%)
CIE-LAB	lab(38.95, 29.66, -58.37)
CIE-LCH	lch(38.95, 65.47, 296.94°)
OKLab	oklab(48.54% 0.0115 -0.1678)
OKLCH	oklch(48.54% 0.168 273.9)
XYZ	xyz(14.3970, 10.6322, 48.8607)
Luminance	0.1063 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4550BC #BCB145

analogous

#458BBC #4550BC #7545BC

triadic

#4550BC #BC4550 #50BC45

tetradic

#4550BC #BC458B #BCB145 #45BC75

square

#4550BC #BC458B #BCB145 #45BC75

split-complementary

#4550BC #BC7545 #8BBC45

monochromatic

#242963 #343C90 #4550BC #727ACC #9FA5DC

Accessibility & contrast

On white

6.72

#4550BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#4550BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4550BC

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4550BC	#FFFFFF	#000000	##FFFFFF
##4550BC	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C0

Deuteranopia (green-blind)

#0057BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4550bc;
/* rgb */ color: rgb(69, 80, 188);
/* oklch */ color: oklch(48.5% 0.168 273.9);

Tailwind

colors: {
  custom: {
    50: '#8581d1',
    500: '#4550bc',
    950: '#000000',
  },
}

SCSS

$custom: #4550bc;
$custom-light: #8581d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4550bc",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 188
  },
  "hsl": {
    "h": 234.454,
    "s": 47.036,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48541,
    "c": 0.16822,
    "h": 273.9
  },
  "luminance": 0.10633
}

Semantic roles & 50–950 ramp

primary

#4550BC

secondary

#C9C494

accent

#CA51D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4550BC

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

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