#445BB5#445BB5

#445BB5 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.145 H 269.8°. Best body text is #FFFFFF at 6.16:1 contrast (WCAG AA passes).

Color values

HEX	#445BB5
RGB	rgb(68, 91, 181)
HSL	hsl(228, 45%, 49%)
HSV	hsv(228, 62%, 71%)
CMYK	cmyk(62.4%, 49.7%, 0%, 29%)
CIE-LAB	lab(41.29, 20.00, -50.50)
CIE-LCH	lch(41.29, 54.31, 291.61°)
OKLab	oklab(50.13% -0.0006 -0.1446)
OKLCH	oklch(50.13% 0.145 269.8)
XYZ	xyz(14.4627, 12.0461, 45.2701)
Luminance	0.1205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445BB5 #B59E44

analogous

#4494B5 #445BB5 #6644B5

triadic

#445BB5 #B5445B #5BB544

tetradic

#445BB5 #B54494 #B59E44 #44B566

square

#445BB5 #B54494 #B59E44 #44B566

split-complementary

#445BB5 #B56644 #94B544

monochromatic

#232E5C #334589 #445BB5 #6E80C8 #9AA7D9

Accessibility & contrast

On white

6.16

#445BB5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#445BB5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445BB5

6.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445BB5	#FFFFFF	#000000	##FFFFFF
##445BB5	1.00	6.16	3.41	6.16
#FFFFFF	6.16	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B67B8

Deuteranopia (green-blind)

#125DB3

Tritanopia (blue-blind)

#00707F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #445bb5;
/* rgb */ color: rgb(68, 91, 181);
/* oklch */ color: oklch(50.1% 0.145 269.8);

Tailwind

colors: {
  custom: {
    50: '#8389cc',
    500: '#445bb5',
    950: '#000000',
  },
}

SCSS

$custom: #445bb5;
$custom-light: #8389cc;
$custom-dark: #000000;

JSON

{
  "hex": "#445bb5",
  "rgb": {
    "r": 68,
    "g": 91,
    "b": 181
  },
  "hsl": {
    "h": 227.788,
    "s": 45.382,
    "l": 48.824
  },
  "oklch": {
    "l": 0.50126,
    "c": 0.14456,
    "h": 269.8
  },
  "luminance": 0.12047
}

Semantic roles & 50–950 ramp

primary

#445BB5

secondary

#C5BA90

accent

#BB53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0B13

muted

#7D7C82

Preview Lab

Preview with #445BB5

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

Preview Lab → · Contrast checker → · Palette generator →