#4B5BD0#4B5BD0

#4B5BD0 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.5% C 0.180 H 272.7°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BD0
RGB	rgb(75, 91, 208)
HSL	hsl(233, 59%, 55%)
HSV	hsv(233, 64%, 82%)
CMYK	cmyk(63.9%, 56.2%, 0%, 18.4%)
CIE-LAB	lab(43.55, 30.57, -62.49)
CIE-LCH	lch(43.55, 69.57, 296.07°)
OKLab	oklab(52.53% 0.0085 -0.1797)
OKLCH	oklch(52.53% 0.18 272.7)
XYZ	xyz(18.0241, 13.5305, 61.3241)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BD0 #D0C04B

analogous

#4B9DD0 #4B5BD0 #7D4BD0

triadic

#4B5BD0 #D04B5B #5BD04B

tetradic

#4B5BD0 #D04B9D #D0C04B #4BD07D

square

#4B5BD0 #D04B9D #D0C04B #4BD07D

split-complementary

#4B5BD0 #D07D4B #9DD04B

monochromatic

#212D7F #2E3EB0 #4B5BD0 #7C87DD #ACB3E9

Accessibility & contrast

On white

5.67

#4B5BD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#4B5BD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BD0

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BD0	#FFFFFF	#000000	##FFFFFF
##4B5BD0	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD4

Deuteranopia (green-blind)

#0061CE

Tritanopia (blue-blind)

#00778D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b5bd0;
/* rgb */ color: rgb(75, 91, 208);
/* oklch */ color: oklch(52.5% 0.180 272.7);

Tailwind

colors: {
  custom: {
    50: '#8b89df',
    500: '#4b5bd0',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bd0;
$custom-light: #8b89df;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bd0",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 208
  },
  "hsl": {
    "h": 232.782,
    "s": 58.59,
    "l": 55.49
  },
  "oklch": {
    "l": 0.52528,
    "c": 0.17988,
    "h": 272.7
  },
  "luminance": 0.13532
}

Semantic roles & 50–950 ramp

primary

#4B5BD0

secondary

#D7D0A0

accent

#CF46E2

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5BD0

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

Preview Lab → · Contrast checker → · Palette generator →