#445BB4#445BB4

#445BB4 is a mid, vivid blue. Relative luminance 0.120; OKLCH L 50.1% C 0.143 H 269.7°. Best body text is #FFFFFF at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#445BB4
RGB	rgb(68, 91, 180)
HSL	hsl(228, 45%, 49%)
HSV	hsv(228, 62%, 71%)
CMYK	cmyk(62.2%, 49.4%, 0%, 29.4%)
CIE-LAB	lab(41.22, 19.65, -50.02)
CIE-LCH	lch(41.22, 53.74, 291.45°)
OKLab	oklab(50.06% -0.0007 -0.1431)
OKLCH	oklch(50.06% 0.143 269.7)
XYZ	xyz(14.3604, 12.0052, 44.7316)
Luminance	0.1201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445BB4 #B49D44

analogous

#4493B4 #445BB4 #6544B4

triadic

#445BB4 #B4445B #5BB444

tetradic

#445BB4 #B44493 #B49D44 #44B465

square

#445BB4 #B44493 #B49D44 #44B465

split-complementary

#445BB4 #B46544 #93B444

monochromatic

#222E5B #334588 #445BB4 #6D80C8 #9AA7D9

Accessibility & contrast

On white

6.17

#445BB4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#445BB4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445BB4

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445BB4	#FFFFFF	#000000	##FFFFFF
##445BB4	1.00	6.17	3.40	6.17
#FFFFFF	6.17	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C66B7

Deuteranopia (green-blind)

#145CB2

Tritanopia (blue-blind)

#006F7F

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #445bb4;
/* rgb */ color: rgb(68, 91, 180);
/* oklch */ color: oklch(50.1% 0.143 269.7);

Tailwind

colors: {
  custom: {
    50: '#8389cb',
    500: '#445bb4',
    950: '#000000',
  },
}

SCSS

$custom: #445bb4;
$custom-light: #8389cb;
$custom-dark: #000000;

JSON

{
  "hex": "#445bb4",
  "rgb": {
    "r": 68,
    "g": 91,
    "b": 180
  },
  "hsl": {
    "h": 227.679,
    "s": 45.161,
    "l": 48.627
  },
  "oklch": {
    "l": 0.50056,
    "c": 0.14314,
    "h": 269.7
  },
  "luminance": 0.12006
}

Semantic roles & 50–950 ramp

primary

#445BB4

secondary

#C5BA8F

accent

#BA53D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #445BB4

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

Preview Lab → · Contrast checker → · Palette generator →