#4B5BD1#4B5BD1

#4B5BD1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.6% C 0.181 H 272.7°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BD1
RGB	rgb(75, 91, 209)
HSL	hsl(233, 59%, 56%)
HSV	hsv(233, 64%, 82%)
CMYK	cmyk(64.1%, 56.5%, 0%, 18%)
CIE-LAB	lab(43.62, 30.91, -62.95)
CIE-LCH	lch(43.62, 70.13, 296.16°)
OKLab	oklab(52.61% 0.0085 -0.181)
OKLCH	oklch(52.61% 0.181 272.7)
XYZ	xyz(18.1475, 13.5799, 61.9741)
Luminance	0.1358 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BD1 #D1C14B

analogous

#4B9ED1 #4B5BD1 #7E4BD1

triadic

#4B5BD1 #D14B5B #5BD14B

tetradic

#4B5BD1 #D14B9E #D1C14B #4BD17E

square

#4B5BD1 #D14B9E #D1C14B #4BD17E

split-complementary

#4B5BD1 #D17E4B #9ED14B

monochromatic

#212C81 #2D3DB1 #4B5BD1 #7C87DD #ACB4EA

Accessibility & contrast

On white

5.65

#4B5BD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#4B5BD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BD1

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BD1	#FFFFFF	#000000	##FFFFFF
##4B5BD1	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD5

Deuteranopia (green-blind)

#0061CF

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b5bd1;
/* rgb */ color: rgb(75, 91, 209);
/* oklch */ color: oklch(52.6% 0.181 272.7);

Tailwind

colors: {
  custom: {
    50: '#8b89e0',
    500: '#4b5bd1',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bd1;
$custom-light: #8b89e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bd1",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 209
  },
  "hsl": {
    "h": 232.836,
    "s": 59.292,
    "l": 55.686
  },
  "oklch": {
    "l": 0.52605,
    "c": 0.18122,
    "h": 272.7
  },
  "luminance": 0.13581
}

Semantic roles & 50–950 ramp

primary

#4B5BD1

secondary

#D8D1A0

accent

#D045E2

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5BD1

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

Preview Lab → · Contrast checker → · Palette generator →