#4050B4#4050B4

#4050B4 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.159 H 272.1°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#4050B4
RGB	rgb(64, 80, 180)
HSL	hsl(232, 48%, 48%)
HSV	hsv(232, 64%, 71%)
CMYK	cmyk(64.4%, 55.6%, 0%, 29.4%)
CIE-LAB	lab(38.06, 26.04, -55.14)
CIE-LCH	lch(38.06, 60.97, 295.28°)
OKLab	oklab(47.61% 0.0058 -0.1584)
OKLCH	oklch(47.61% 0.159 272.1)
XYZ	xyz(13.2185, 10.1214, 44.4282)
Luminance	0.1012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4050B4 #B4A440

analogous

#408AB4 #4050B4 #6A40B4

triadic

#4050B4 #B44050 #50B440

tetradic

#4050B4 #B4408A #B4A440 #40B46A

square

#4050B4 #B4408A #B4A440 #40B46A

split-complementary

#4050B4 #B46A40 #8AB440

monochromatic

#20285A #303C87 #4050B4 #6875C9 #959ED9

Accessibility & contrast

On white

6.94

#4050B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4050B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4050B4

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4050B4	#FFFFFF	#000000	##FFFFFF
##4050B4	1.00	6.94	3.02	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FB7

Deuteranopia (green-blind)

#0055B2

Tritanopia (blue-blind)

#00687A

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #4050b4;
/* rgb */ color: rgb(64, 80, 180);
/* oklch */ color: oklch(47.6% 0.159 272.1);

Tailwind

colors: {
  custom: {
    50: '#8180cb',
    500: '#4050b4',
    950: '#000000',
  },
}

SCSS

$custom: #4050b4;
$custom-light: #8180cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4050b4",
  "rgb": {
    "r": 64,
    "g": 80,
    "b": 180
  },
  "hsl": {
    "h": 231.724,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47607,
    "c": 0.15854,
    "h": 272.1
  },
  "luminance": 0.10123
}

Semantic roles & 50–950 ramp

primary

#4050B4

secondary

#C5BD8B

accent

#C551D7

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #4050B4

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

Preview Lab → · Contrast checker → · Palette generator →