#4455BB#4455BB

#4455BB is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.4% C 0.161 H 272.1°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#4455BB
RGB	rgb(68, 85, 187)
HSL	hsl(231, 47%, 50%)
HSV	hsv(231, 64%, 73%)
CMYK	cmyk(63.6%, 54.5%, 0%, 26.7%)
CIE-LAB	lab(40.10, 25.95, -55.93)
CIE-LCH	lch(40.10, 61.66, 294.89°)
OKLab	oklab(49.36% 0.0058 -0.1606)
OKLCH	oklch(49.36% 0.161 272.1)
XYZ	xyz(14.5990, 11.3125, 48.4183)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4455BB #BBAA44

analogous

#4490BB #4455BB #6F44BB

triadic

#4455BB #BB4455 #55BB44

tetradic

#4455BB #BB4490 #BBAA44 #44BB6F

square

#4455BB #BB4490 #BBAA44 #44BB6F

split-complementary

#4455BB #BB6F44 #90BB44

monochromatic

#232C61 #34418E #4455BB #717ECB #9EA7DC

Accessibility & contrast

On white

6.44

#4455BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#4455BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4455BB

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4455BB	#FFFFFF	#000000	##FFFFFF
##4455BB	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0964BF

Deuteranopia (green-blind)

#0059B9

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #4455bb;
/* rgb */ color: rgb(68, 85, 187);
/* oklch */ color: oklch(49.4% 0.161 272.1);

Tailwind

colors: {
  custom: {
    50: '#8484d0',
    500: '#4455bb',
    950: '#000000',
  },
}

SCSS

$custom: #4455bb;
$custom-light: #8484d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4455bb",
  "rgb": {
    "r": 68,
    "g": 85,
    "b": 187
  },
  "hsl": {
    "h": 231.429,
    "s": 46.667,
    "l": 50
  },
  "oklch": {
    "l": 0.4936,
    "c": 0.16071,
    "h": 272.1
  },
  "luminance": 0.11314
}

Semantic roles & 50–950 ramp

primary

#4455BB

secondary

#C8C093

accent

#C351D6

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4455BB

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

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