#4440B3#4440B3

#4440B3 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.9% C 0.176 H 278.1°. Best body text is #FFFFFF at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#4440B3
RGB	rgb(68, 64, 179)
HSL	hsl(242, 47%, 48%)
HSV	hsv(242, 64%, 70%)
CMYK	cmyk(62%, 64.2%, 0%, 29.8%)
CIE-LAB	lab(34.29, 36.48, -60.66)
CIE-LCH	lch(34.29, 70.78, 301.02°)
OKLab	oklab(44.87% 0.0249 -0.1747)
OKLCH	oklch(44.87% 0.176 278.1)
XYZ	xyz(12.3514, 8.1495, 43.5612)
Luminance	0.0815 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.71

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4440B3 #AFB340

analogous

#4075B3 #4440B3 #7D40B3

triadic

#4440B3 #B34440 #40B344

tetradic

#4440B3 #B34075 #AFB340 #40B37D

square

#4440B3 #B34075 #AFB340 #40B37D

split-complementary

#4440B3 #B37D40 #75B340

monochromatic

#222059 #333086 #4440B3 #6B67C9 #9794D9

Accessibility & contrast

On white

7.98

#4440B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#4440B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4440B3

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4440B3	#FFFFFF	#000000	##FFFFFF
##4440B3	1.00	7.98	2.63	7.98
#FFFFFF	7.98	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B7

Deuteranopia (green-blind)

#004CB1

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #4440b3;
/* rgb */ color: rgb(68, 64, 179);
/* oklch */ color: oklch(44.9% 0.176 278.1);

Tailwind

colors: {
  custom: {
    50: '#8475cb',
    500: '#4440b3',
    950: '#000000',
  },
}

SCSS

$custom: #4440b3;
$custom-light: #8475cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4440b3",
  "rgb": {
    "r": 68,
    "g": 64,
    "b": 179
  },
  "hsl": {
    "h": 242.087,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.44866,
    "c": 0.17646,
    "h": 278.1
  },
  "luminance": 0.0815
}

Semantic roles & 50–950 ramp

primary

#4440B3

secondary

#C2C48A

accent

#D751D2

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0C0813

muted

#7D7B82

Preview Lab

Preview with #4440B3

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

Preview Lab → · Contrast checker → · Palette generator →