#4B50BB#4B50BB

#4B50BB is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.9% C 0.165 H 276.4°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#4B50BB
RGB	rgb(75, 80, 187)
HSL	hsl(237, 45%, 51%)
HSV	hsv(237, 60%, 73%)
CMYK	cmyk(59.9%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(39.28, 30.36, -57.25)
CIE-LCH	lch(39.28, 64.80, 297.94°)
OKLab	oklab(48.86% 0.0183 -0.1644)
OKLCH	oklch(48.86% 0.165 276.4)
XYZ	xyz(14.7371, 10.8199, 48.3159)
Luminance	0.1082 (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

#4B50BB #BBB64B

analogous

#4B88BB #4B50BB #7E4BBB

triadic

#4B50BB #BB4B50 #50BB4B

tetradic

#4B50BB #BB4B88 #BBB64B #4BBB7E

square

#4B50BB #BB4B88 #BBB64B #4BBB7E

split-complementary

#4B50BB #BB7E4B #88BB4B

monochromatic

#262965 #373B92 #4B50BB #777BCC #A4A6DD

Accessibility & contrast

On white

6.64

#4B50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#4B50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B50BB

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B50BB	#FFFFFF	#000000	##FFFFFF
##4B50BB	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b50bb;
/* rgb */ color: rgb(75, 80, 187);
/* oklch */ color: oklch(48.9% 0.165 276.4);

Tailwind

colors: {
  custom: {
    50: '#8881d0',
    500: '#4b50bb',
    950: '#000000',
  },
}

SCSS

$custom: #4b50bb;
$custom-light: #8881d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4b50bb",
  "rgb": {
    "r": 75,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 237.321,
    "s": 45.161,
    "l": 51.373
  },
  "oklch": {
    "l": 0.4886,
    "c": 0.16538,
    "h": 276.4
  },
  "luminance": 0.10821
}

Semantic roles & 50–950 ramp

primary

#4B50BB

secondary

#CAC798

accent

#CF53D5

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4B50BB

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

Preview Lab → · Contrast checker → · Palette generator →