#4B5BBD#4B5BBD

#4B5BBD is a mid, vivid blue. Relative luminance 0.127; OKLCH L 51.1% C 0.154 H 272.8°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#4B5BBD
RGB	rgb(75, 91, 189)
HSL	hsl(232, 46%, 52%)
HSV	hsv(232, 60%, 74%)
CMYK	cmyk(60.3%, 51.9%, 0%, 25.9%)
CIE-LAB	lab(42.23, 24.07, -53.63)
CIE-LCH	lch(42.23, 58.79, 294.17°)
OKLab	oklab(51.12% 0.0075 -0.1536)
OKLCH	oklch(51.12% 0.154 272.8)
XYZ	xyz(15.8250, 12.6509, 49.7422)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5BBD #BDAD4B

analogous

#4B94BD #4B5BBD #744BBD

triadic

#4B5BBD #BD4B5B #5BBD4B

tetradic

#4B5BBD #BD4B94 #BDAD4B #4BBD74

square

#4B5BBD #BD4B94 #BDAD4B #4BBD74

split-complementary

#4B5BBD #BD744B #94BD4B

monochromatic

#262F68 #364494 #4B5BBD #7884CD #A5ADDE

Accessibility & contrast

On white

5.95

#4B5BBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#4B5BBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5BBD

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5BBD	#FFFFFF	#000000	##FFFFFF
##4B5BBD	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2369C0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007283

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #4b5bbd;
/* rgb */ color: rgb(75, 91, 189);
/* oklch */ color: oklch(51.1% 0.154 272.8);

Tailwind

colors: {
  custom: {
    50: '#8889d1',
    500: '#4b5bbd',
    950: '#000000',
  },
}

SCSS

$custom: #4b5bbd;
$custom-light: #8889d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5bbd",
  "rgb": {
    "r": 75,
    "g": 91,
    "b": 189
  },
  "hsl": {
    "h": 231.579,
    "s": 46.341,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51119,
    "c": 0.1538,
    "h": 272.8
  },
  "luminance": 0.12652
}

Semantic roles & 50–950 ramp

primary

#4B5BBD

secondary

#CBC499

accent

#C352D6

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0B14

muted

#7D7C82

Preview Lab

Preview with #4B5BBD

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

Preview Lab → · Contrast checker → · Palette generator →