#4550BB#4550BB

#4550BB is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.5% C 0.167 H 274.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#4550BB
RGB	rgb(69, 80, 187)
HSL	hsl(234, 46%, 50%)
HSV	hsv(234, 63%, 73%)
CMYK	cmyk(63.1%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(38.88, 29.32, -57.91)
CIE-LCH	lch(38.88, 64.90, 296.85°)
OKLab	oklab(48.46% 0.0115 -0.1665)
OKLCH	oklch(48.46% 0.167 274)
XYZ	xyz(14.2896, 10.5892, 48.2950)
Luminance	0.1059 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4550BB #BBB045

analogous

#458BBB #4550BB #7545BB

triadic

#4550BB #BB4550 #50BB45

tetradic

#4550BB #BB458B #BBB045 #45BB75

square

#4550BB #BB458B #BBB045 #45BB75

split-complementary

#4550BB #BB7545 #8BBB45

monochromatic

#242A62 #343D8F #4550BB #727ACB #9FA4DC

Accessibility & contrast

On white

6.74

#4550BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#4550BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4550BB

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4550BB	#FFFFFF	#000000	##FFFFFF
##4550BB	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#006A7D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4550bb;
/* rgb */ color: rgb(69, 80, 187);
/* oklch */ color: oklch(48.5% 0.167 274.0);

Tailwind

colors: {
  custom: {
    50: '#8581d0',
    500: '#4550bb',
    950: '#000000',
  },
}

SCSS

$custom: #4550bb;
$custom-light: #8581d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4550bb",
  "rgb": {
    "r": 69,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 234.407,
    "s": 46.457,
    "l": 50.196
  },
  "oklch": {
    "l": 0.48463,
    "c": 0.16686,
    "h": 274
  },
  "luminance": 0.1059
}

Semantic roles & 50–950 ramp

primary

#4550BB

secondary

#C8C394

accent

#CA52D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4550BB

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

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