#445AB3#445AB3

#445AB3 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.8% C 0.143 H 270.1°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#445AB3
RGB	rgb(68, 90, 179)
HSL	hsl(228, 45%, 48%)
HSV	hsv(228, 62%, 70%)
CMYK	cmyk(62%, 49.7%, 0%, 29.8%)
CIE-LAB	lab(40.89, 19.94, -49.97)
CIE-LCH	lch(40.89, 53.80, 291.75°)
OKLab	oklab(49.78% 0.0002 -0.143)
OKLCH	oklch(49.78% 0.143 270.1)
XYZ	xyz(14.1740, 11.7948, 44.1688)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445AB3 #B39D44

analogous

#4491B3 #445AB3 #6544B3

triadic

#445AB3 #B3445A #5AB344

tetradic

#445AB3 #B34491 #B39D44 #44B365

square

#445AB3 #B34491 #B39D44 #44B365

split-complementary

#445AB3 #B36544 #91B344

monochromatic

#222D5A #334487 #445AB3 #6D7FC7 #99A6D8

Accessibility & contrast

On white

6.25

#445AB3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#445AB3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445AB3

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445AB3	#FFFFFF	#000000	##FFFFFF
##445AB3	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B66B6

Deuteranopia (green-blind)

#135CB1

Tritanopia (blue-blind)

#006E7E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #445ab3;
/* rgb */ color: rgb(68, 90, 179);
/* oklch */ color: oklch(49.8% 0.143 270.1);

Tailwind

colors: {
  custom: {
    50: '#8288ca',
    500: '#445ab3',
    950: '#000000',
  },
}

SCSS

$custom: #445ab3;
$custom-light: #8288ca;
$custom-dark: #000000;

JSON

{
  "hex": "#445ab3",
  "rgb": {
    "r": 68,
    "g": 90,
    "b": 179
  },
  "hsl": {
    "h": 228.108,
    "s": 44.939,
    "l": 48.431
  },
  "oklch": {
    "l": 0.4978,
    "c": 0.14301,
    "h": 270.1
  },
  "luminance": 0.11796
}

Semantic roles & 50–950 ramp

primary

#445AB3

secondary

#C4BA8E

accent

#BB53D5

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #445AB3

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

Preview Lab → · Contrast checker → · Palette generator →