#4D50BB#4D50BB

#4D50BB is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.0% C 0.165 H 277.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#4D50BB
RGB	rgb(77, 80, 187)
HSL	hsl(238, 45%, 52%)
HSV	hsv(238, 59%, 73%)
CMYK	cmyk(58.8%, 57.2%, 0%, 26.7%)
CIE-LAB	lab(39.41, 30.72, -57.01)
CIE-LCH	lch(39.41, 64.76, 298.32°)
OKLab	oklab(49% 0.0207 -0.1636)
OKLCH	oklch(49% 0.165 277.2)
XYZ	xyz(14.8960, 10.9019, 48.3234)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D50BB #BBB84D

analogous

#4D87BB #4D50BB #814DBB

triadic

#4D50BB #BB4D50 #50BB4D

tetradic

#4D50BB #BB4D87 #BBB84D #4DBB81

square

#4D50BB #BB4D87 #BBB84D #4DBB81

split-complementary

#4D50BB #BB814D #87BB4D

monochromatic

#272966 #383B93 #4D50BB #797CCC #A6A7DD

Accessibility & contrast

On white

6.60

#4D50BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#4D50BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D50BB

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D50BB	#FFFFFF	#000000	##FFFFFF
##4D50BB	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062BF

Deuteranopia (green-blind)

#0058B9

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4d50bb;
/* rgb */ color: rgb(77, 80, 187);
/* oklch */ color: oklch(49.0% 0.165 277.2);

Tailwind

colors: {
  custom: {
    50: '#8981d0',
    500: '#4d50bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d50bb;
$custom-light: #8981d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d50bb",
  "rgb": {
    "r": 77,
    "g": 80,
    "b": 187
  },
  "hsl": {
    "h": 238.364,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49,
    "c": 0.16492,
    "h": 277.2
  },
  "luminance": 0.10903
}

Semantic roles & 50–950 ramp

primary

#4D50BB

secondary

#CAC99A

accent

#D153D4

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4D50BB

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

Preview Lab → · Contrast checker → · Palette generator →