#445B8B#445B8B

#445B8B is a mid, moderate blue. Relative luminance 0.106; OKLCH L 47.5% C 0.083 H 264.0°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#445B8B
RGB	rgb(68, 91, 139)
HSL	hsl(221, 34%, 41%)
HSV	hsv(221, 51%, 55%)
CMYK	cmyk(51.1%, 34.5%, 0%, 45.5%)
CIE-LAB	lab(38.85, 5.61, -29.33)
CIE-LCH	lch(38.85, 29.87, 280.83°)
OKLab	oklab(47.47% -0.0087 -0.0826)
OKLCH	oklch(47.47% 0.083 264)
XYZ	xyz(10.7836, 10.5745, 25.8939)
Luminance	0.1057 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#445B8B #8B7444

analogous

#447F8B #445B8B #50448B

triadic

#445B8B #8B445B #5B8B44

tetradic

#445B8B #8B447F #8B7444 #448B50

square

#445B8B #8B447F #8B7444 #448B50

split-complementary

#445B8B #8B5044 #7F8B44

monochromatic

#1C2539 #304062 #445B8B #5D77B0 #869AC4

Accessibility & contrast

On white

6.74

#445B8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#445B8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #445B8B

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##445B8B	#FFFFFF	#000000	##FFFFFF
##445B8B	1.00	6.74	3.12	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#495F8D

Deuteranopia (green-blind)

#41598A

Tritanopia (blue-blind)

#25656C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #445b8b;
/* rgb */ color: rgb(68, 91, 139);
/* oklch */ color: oklch(47.5% 0.083 264.0);

Tailwind

colors: {
  custom: {
    50: '#7c89ad',
    500: '#445b8b',
    950: '#000000',
  },
}

SCSS

$custom: #445b8b;
$custom-light: #7c89ad;
$custom-dark: #000000;

JSON

{
  "hex": "#445b8b",
  "rgb": {
    "r": 68,
    "g": 91,
    "b": 139
  },
  "hsl": {
    "h": 220.563,
    "s": 34.3,
    "l": 40.588
  },
  "oklch": {
    "l": 0.47468,
    "c": 0.08302,
    "h": 264
  },
  "luminance": 0.10575
}

Semantic roles & 50–950 ramp

primary

#445B8B

secondary

#AF9E7C

accent

#A75DCA

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0B10

muted

#7C7C7F

Preview Lab

Preview with #445B8B

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

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