#4B5FD1#4B5FD1

#4B5FD1 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.4% C 0.176 H 271.6°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#4B5FD1
RGB	rgb(75, 95, 209)
HSL	hsl(231, 59%, 56%)
HSV	hsv(231, 64%, 82%)
CMYK	cmyk(64.1%, 54.5%, 0%, 18%)
CIE-LAB	lab(44.63, 28.40, -61.31)
CIE-LCH	lch(44.63, 67.57, 294.86°)
OKLab	oklab(53.36% 0.005 -0.1761)
OKLCH	oklch(53.36% 0.176 271.6)
XYZ	xyz(18.4986, 14.2821, 62.0911)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5FD1 #D1BD4B

analogous

#4BA2D1 #4B5FD1 #7A4BD1

triadic

#4B5FD1 #D14B5F #5FD14B

tetradic

#4B5FD1 #D14BA2 #D1BD4B #4BD17A

square

#4B5FD1 #D14BA2 #D1BD4B #4BD17A

split-complementary

#4B5FD1 #D17A4B #A2D14B

monochromatic

#212F81 #2D41B1 #4B5FD1 #7C8ADD #ACB6EA

Accessibility & contrast

On white

5.44

#4B5FD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4B5FD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5FD1

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5FD1	#FFFFFF	#000000	##FFFFFF
##4B5FD1	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0270D5

Deuteranopia (green-blind)

#0064CF

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4b5fd1;
/* rgb */ color: rgb(75, 95, 209);
/* oklch */ color: oklch(53.4% 0.176 271.6);

Tailwind

colors: {
  custom: {
    50: '#8b8ce0',
    500: '#4b5fd1',
    950: '#000000',
  },
}

SCSS

$custom: #4b5fd1;
$custom-light: #8b8ce0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5fd1",
  "rgb": {
    "r": 75,
    "g": 95,
    "b": 209
  },
  "hsl": {
    "h": 231.045,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53361,
    "c": 0.17622,
    "h": 271.6
  },
  "luminance": 0.14284
}

Semantic roles & 50–950 ramp

primary

#4B5FD1

secondary

#D8CFA0

accent

#CB45E2

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0C15

muted

#7E7D83

Preview Lab

Preview with #4B5FD1

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

Preview Lab → · Contrast checker → · Palette generator →