#4B5BCD#4B5BCD

#4B5BCD is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.3% C 0.176 H 272.7°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BCD
RGB	rgb(75, 91, 205)
HSL	hsl(233, 57%, 55%)
HSV	hsv(233, 63%, 80%)
CMYK	cmyk(63.4%, 55.6%, 0%, 19.6%)
CIE-LAB	lab(43.34, 29.54, -61.11)
CIE-LCH	lch(43.34, 67.88, 295.80°)
OKLab	oklab(52.3% 0.0084 -0.1756)
OKLCH	oklch(52.3% 0.176 272.7)
XYZ	xyz(17.6585, 13.3843, 59.3986)
Luminance	0.1339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BCD #CDBD4B

analogous

#4B9CCD #4B5BCD #7C4BCD

triadic

#4B5BCD #CD4B5B #5BCD4B

tetradic

#4B5BCD #CD4B9C #CDBD4B #4BCD7C

square

#4B5BCD #CD4B9C #CDBD4B #4BCD7C

split-complementary

#4B5BCD #CD7C4B #9CCD4B

monochromatic

#222D7B #303FAB #4B5BCD #7B87DA #ABB2E8

Accessibility & contrast

On white

5.71

#4B5BCD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4B5BCD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BCD

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BCD	#FFFFFF	#000000	##FFFFFF
##4B5BCD	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD1

Deuteranopia (green-blind)

#0061CB

Tritanopia (blue-blind)

#00768B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4b5bcd;
/* rgb */ color: rgb(75, 91, 205);
/* oklch */ color: oklch(52.3% 0.176 272.7);

Tailwind

colors: {
  custom: {
    50: '#8a89dd',
    500: '#4b5bcd',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bcd;
$custom-light: #8a89dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bcd",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 205
  },
  "hsl": {
    "h": 232.615,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.52299,
    "c": 0.17583,
    "h": 272.7
  },
  "luminance": 0.13386
}

Semantic roles & 50–950 ramp

primary

#4B5BCD

secondary

#D5CF9F

accent

#CD48E0

background

#F9F8FD

surface

#F1F0FB

border

#CBCBD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4B5BCD

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

Preview Lab → · Contrast checker → · Palette generator →