#4451AB#4451AB

#4451AB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.143 H 273.5°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4451AB
RGB	rgb(68, 81, 171)
HSL	hsl(232, 43%, 47%)
HSV	hsv(232, 60%, 67%)
CMYK	cmyk(60.2%, 52.6%, 0%, 32.9%)
CIE-LAB	lab(37.94, 22.96, -50.00)
CIE-LCH	lch(37.94, 55.02, 294.66°)
OKLab	oklab(47.38% 0.0087 -0.1432)
OKLCH	oklch(47.38% 0.143 273.5)
XYZ	xyz(12.6746, 10.0531, 39.7927)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4451AB #AB9E44

analogous

#4485AB #4451AB #6B44AB

triadic

#4451AB #AB4451 #51AB44

tetradic

#4451AB #AB4485 #AB9E44 #44AB6B

square

#4451AB #AB4485 #AB9E44 #44AB6B

split-complementary

#4451AB #AB6B44 #85AB44

monochromatic

#212853 #333C7F #4451AB #6974C3 #959DD5

Accessibility & contrast

On white

6.97

#4451AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4451AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4451AB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4451AB	#FFFFFF	#000000	##FFFFFF
##4451AB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5EAE

Deuteranopia (green-blind)

#0055A9

Tritanopia (blue-blind)

#006676

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4451ab;
/* rgb */ color: rgb(68, 81, 171);
/* oklch */ color: oklch(47.4% 0.143 273.5);

Tailwind

colors: {
  custom: {
    50: '#8281c5',
    500: '#4451ab',
    950: '#000000',
  },
}

SCSS

$custom: #4451ab;
$custom-light: #8281c5;
$custom-dark: #000000;

JSON

{
  "hex": "#4451ab",
  "rgb": {
    "r": 68,
    "g": 81,
    "b": 171
  },
  "hsl": {
    "h": 232.427,
    "s": 43.096,
    "l": 46.863
  },
  "oklch": {
    "l": 0.47379,
    "c": 0.14346,
    "h": 273.5
  },
  "luminance": 0.10054
}

Semantic roles & 50–950 ramp

primary

#4451AB

secondary

#C0BA8A

accent

#C355D3

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4451AB

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

Preview Lab → · Contrast checker → · Palette generator →