#4B4DBB#4B4DBB

#4B4DBB is a mid, vivid blue. Relative luminance 0.104; OKLCH L 48.3% C 0.169 H 277.2°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#4B4DBB
RGB	rgb(75, 77, 187)
HSL	hsl(239, 45%, 51%)
HSV	hsv(239, 60%, 73%)
CMYK	cmyk(59.9%, 58.8%, 0%, 26.7%)
CIE-LAB	lab(38.53, 32.24, -58.45)
CIE-LCH	lch(38.53, 66.75, 298.88°)
OKLab	oklab(48.31% 0.0212 -0.1679)
OKLCH	oklch(48.31% 0.169 277.2)
XYZ	xyz(14.5223, 10.3904, 48.2443)
Luminance	0.1039 (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

#4B4DBB #BBB94B

analogous

#4B85BB #4B4DBB #814BBB

triadic

#4B4DBB #BB4B4D #4DBB4B

tetradic

#4B4DBB #BB4B85 #BBB94B #4BBB81

square

#4B4DBB #BB4B85 #BBB94B #4BBB81

split-complementary

#4B4DBB #BB814B #85BB4B

monochromatic

#262765 #373992 #4B4DBB #7779CC #A4A5DD

Accessibility & contrast

On white

6.82

#4B4DBB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#4B4DBB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B4DBB

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B4DBB	#FFFFFF	#000000	##FFFFFF
##4B4DBB	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BF

Deuteranopia (green-blind)

#0056B9

Tritanopia (blue-blind)

#00677C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #4b4dbb;
/* rgb */ color: rgb(75, 77, 187);
/* oklch */ color: oklch(48.3% 0.169 277.2);

Tailwind

colors: {
  custom: {
    50: '#887fd0',
    500: '#4b4dbb',
    950: '#000000',
  },
}

SCSS

$custom: #4b4dbb;
$custom-light: #887fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b4dbb",
  "rgb": {
    "r": 75,
    "g": 77,
    "b": 187
  },
  "hsl": {
    "h": 238.929,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48311,
    "c": 0.16926,
    "h": 277.2
  },
  "luminance": 0.10391
}

Semantic roles & 50–950 ramp

primary

#4B4DBB

secondary

#CAC998

accent

#D353D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4B4DBB

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

Preview Lab → · Contrast checker → · Palette generator →