#445BB1#445BB1

#445BB1 is a mid, vivid blue. Relative luminance 0.119; OKLCH L 49.8% C 0.139 H 269.6°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#445BB1
RGB	rgb(68, 91, 177)
HSL	hsl(227, 44%, 48%)
HSV	hsv(227, 62%, 69%)
CMYK	cmyk(61.6%, 48.6%, 0%, 30.6%)
CIE-LAB	lab(41.03, 18.60, -48.56)
CIE-LCH	lch(41.03, 52.00, 290.95°)
OKLab	oklab(49.85% -0.0011 -0.1389)
OKLCH	oklch(49.85% 0.139 269.6)
XYZ	xyz(14.0581, 11.8843, 43.1395)
Luminance	0.1188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445BB1 #B19A44

analogous

#4492B1 #445BB1 #6344B1

triadic

#445BB1 #B1445B #5BB144

tetradic

#445BB1 #B14492 #B19A44 #44B163

square

#445BB1 #B14492 #B19A44 #44B163

split-complementary

#445BB1 #B16344 #92B144

monochromatic

#222E59 #334485 #445BB1 #6C7FC6 #98A5D7

Accessibility & contrast

On white

6.22

#445BB1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#445BB1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445BB1

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445BB1	#FFFFFF	#000000	##FFFFFF
##445BB1	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F66B4

Deuteranopia (green-blind)

#1B5CAF

Tritanopia (blue-blind)

#006F7D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #445bb1;
/* rgb */ color: rgb(68, 91, 177);
/* oklch */ color: oklch(49.8% 0.139 269.6);

Tailwind

colors: {
  custom: {
    50: '#8289c9',
    500: '#445bb1',
    950: '#000000',
  },
}

SCSS

$custom: #445bb1;
$custom-light: #8289c9;
$custom-dark: #000000;

JSON

{
  "hex": "#445bb1",
  "rgb": {
    "r": 68,
    "g": 91,
    "b": 177
  },
  "hsl": {
    "h": 227.339,
    "s": 44.49,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49848,
    "c": 0.13886,
    "h": 269.6
  },
  "luminance": 0.11885
}

Semantic roles & 50–950 ramp

primary

#445BB1

secondary

#C3B88D

accent

#B954D4

background

#F8F8FC

surface

#F0EFF8

border

#CBCAD1

text

#0B0B13

muted

#7C7C82

Preview Lab

Preview with #445BB1

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

Preview Lab → · Contrast checker → · Palette generator →