#4B4FBB#4B4FBB

#4B4FBB is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.7% C 0.167 H 276.7°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#4B4FBB
RGB	rgb(75, 79, 187)
HSL	hsl(238, 45%, 51%)
HSV	hsv(238, 60%, 73%)
CMYK	cmyk(59.9%, 57.8%, 0%, 26.7%)
CIE-LAB	lab(39.03, 30.99, -57.65)
CIE-LCH	lch(39.03, 65.45, 298.26°)
OKLab	oklab(48.68% 0.0193 -0.1655)
OKLCH	oklch(48.68% 0.167 276.7)
XYZ	xyz(14.6644, 10.6746, 48.2917)
Luminance	0.1068 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B4FBB #BBB74B

analogous

#4B87BB #4B4FBB #7F4BBB

triadic

#4B4FBB #BB4B4F #4FBB4B

tetradic

#4B4FBB #BB4B87 #BBB74B #4BBB7F

square

#4B4FBB #BB4B87 #BBB74B #4BBB7F

split-complementary

#4B4FBB #BB7F4B #87BB4B

monochromatic

#262965 #373A92 #4B4FBB #777ACC #A4A6DD

Accessibility & contrast

On white

6.70

#4B4FBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#4B4FBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4FBB

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4FBB	#FFFFFF	#000000	##FFFFFF
##4B4FBB	1.00	6.70	3.14	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0057B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b4fbb;
/* rgb */ color: rgb(75, 79, 187);
/* oklch */ color: oklch(48.7% 0.167 276.7);

Tailwind

colors: {
  custom: {
    50: '#8880d0',
    500: '#4b4fbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b4fbb;
$custom-light: #8880d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4fbb",
  "rgb": {
    "r": 75,
    "g": 79,
    "b": 187
  },
  "hsl": {
    "h": 237.857,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48676,
    "c": 0.16667,
    "h": 276.7
  },
  "luminance": 0.10676
}

Semantic roles & 50–950 ramp

primary

#4B4FBB

secondary

#CAC898

accent

#D053D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4B4FBB

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

Preview Lab → · Contrast checker → · Palette generator →