#445BB3#445BB3

#445BB3 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.0% C 0.142 H 269.7°. Best body text is #FFFFFF at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#445BB3
RGB	rgb(68, 91, 179)
HSL	hsl(228, 45%, 48%)
HSV	hsv(228, 62%, 70%)
CMYK	cmyk(62%, 49.2%, 0%, 29.8%)
CIE-LAB	lab(41.16, 19.30, -49.53)
CIE-LCH	lch(41.16, 53.16, 291.29°)
OKLab	oklab(49.99% -0.0008 -0.1417)
OKLCH	oklch(49.99% 0.142 269.7)
XYZ	xyz(14.2589, 11.9646, 44.1971)
Luminance	0.1197 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445BB3 #B39C44

analogous

#4492B3 #445BB3 #6544B3

triadic

#445BB3 #B3445B #5BB344

tetradic

#445BB3 #B34492 #B39C44 #44B365

square

#445BB3 #B34492 #B39C44 #44B365

split-complementary

#445BB3 #B36544 #92B344

monochromatic

#222E5A #334487 #445BB3 #6D80C7 #99A6D8

Accessibility & contrast

On white

6.19

#445BB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.39

#445BB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445BB3

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445BB3	#FFFFFF	#000000	##FFFFFF
##445BB3	1.00	6.19	3.39	6.19
#FFFFFF	6.19	1.00	21.00	1.00
#000000	3.39	21.00	1.00	21.00
##FFFFFF	6.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D66B6

Deuteranopia (green-blind)

#175CB1

Tritanopia (blue-blind)

#006F7E

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #445bb3;
/* rgb */ color: rgb(68, 91, 179);
/* oklch */ color: oklch(50.0% 0.142 269.7);

Tailwind

colors: {
  custom: {
    50: '#8289ca',
    500: '#445bb3',
    950: '#000000',
  },
}

SCSS

$custom: #445bb3;
$custom-light: #8289ca;
$custom-dark: #000000;

JSON

{
  "hex": "#445bb3",
  "rgb": {
    "r": 68,
    "g": 91,
    "b": 179
  },
  "hsl": {
    "h": 227.568,
    "s": 44.939,
    "l": 48.431
  },
  "oklch": {
    "l": 0.49987,
    "c": 0.14172,
    "h": 269.7
  },
  "luminance": 0.11966
}

Semantic roles & 50–950 ramp

primary

#445BB3

secondary

#C4B98E

accent

#BA53D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #445BB3

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

Preview Lab → · Contrast checker → · Palette generator →