#4B5FBF#4B5FBF

#4B5FBF is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.151 H 271.4°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4B5FBF
RGB	rgb(75, 95, 191)
HSL	hsl(230, 48%, 52%)
HSV	hsv(230, 61%, 75%)
CMYK	cmyk(60.7%, 50.3%, 0%, 25.1%)
CIE-LAB	lab(43.42, 22.21, -52.89)
CIE-LCH	lch(43.42, 57.36, 292.78°)
OKLab	oklab(52.06% 0.0036 -0.1514)
OKLCH	oklch(52.06% 0.151 271.4)
XYZ	xyz(16.3947, 13.4405, 51.0104)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B5FBF #BFAB4B

analogous

#4B99BF #4B5FBF #714BBF

triadic

#4B5FBF #BF4B5F #5FBF4B

tetradic

#4B5FBF #BF4B99 #BFAB4B #4BBF71

square

#4B5FBF #BF4B99 #BFAB4B #4BBF71

split-complementary

#4B5FBF #BF714B #99BF4B

monochromatic

#26316A #364797 #4B5FBF #7887CF #A5AFDF

Accessibility & contrast

On white

5.69

#4B5FBF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#4B5FBF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B5FBF

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B5FBF	#FFFFFF	#000000	##FFFFFF
##4B5FBF	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B6CC2

Deuteranopia (green-blind)

#1162BD

Tritanopia (blue-blind)

#007586

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4b5fbf;
/* rgb */ color: rgb(75, 95, 191);
/* oklch */ color: oklch(52.1% 0.151 271.4);

Tailwind

colors: {
  custom: {
    50: '#888cd3',
    500: '#4b5fbf',
    950: '#000000',
  },
}

SCSS

$custom: #4b5fbf;
$custom-light: #888cd3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b5fbf",
  "rgb": {
    "r": 75,
    "g": 95,
    "b": 191
  },
  "hsl": {
    "h": 229.655,
    "s": 47.541,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52058,
    "c": 0.15141,
    "h": 271.4
  },
  "luminance": 0.13442
}

Semantic roles & 50–950 ramp

primary

#4B5FBF

secondary

#CCC39A

accent

#C051D7

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #4B5FBF

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

Preview Lab → · Contrast checker → · Palette generator →