#4D5BDF#4D5BDF

#4D5BDF is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.199 H 273.1°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#4D5BDF
RGB	rgb(77, 91, 223)
HSL	hsl(234, 70%, 59%)
HSV	hsv(234, 65%, 87%)
CMYK	cmyk(65.5%, 59.2%, 0%, 12.5%)
CIE-LAB	lab(44.78, 35.98, -69.05)
CIE-LCH	lch(44.78, 77.87, 297.52°)
OKLab	oklab(53.82% 0.0107 -0.1989)
OKLCH	oklch(53.82% 0.199 273.1)
XYZ	xyz(20.1165, 14.3859, 71.5144)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D5BDF #DFD14D

analogous

#4DA4DF #4D5BDF #884DDF

triadic

#4D5BDF #DF4D5B #5BDF4D

tetradic

#4D5BDF #DF4DA4 #DFD14D #4DDF88

square

#4D5BDF #DF4DA4 #DFD14D #4DDF88

split-complementary

#4D5BDF #DF884D #A4DF4D

monochromatic

#1B2797 #2434CA #4D5BDF #818BE8 #B5BBF2

Accessibility & contrast

On white

5.42

#4D5BDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#4D5BDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D5BDF

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D5BDF	#FFFFFF	#000000	##FFFFFF
##4D5BDF	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071E3

Deuteranopia (green-blind)

#0064DC

Tritanopia (blue-blind)

#007C94

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4d5bdf;
/* rgb */ color: rgb(77, 91, 223);
/* oklch */ color: oklch(53.8% 0.199 273.1);

Tailwind

colors: {
  custom: {
    50: '#8f89ea',
    500: '#4d5bdf',
    950: '#000000',
  },
}

SCSS

$custom: #4d5bdf;
$custom-light: #8f89ea;
$custom-dark: #000000;

JSON

{
  "hex": "#4d5bdf",
  "rgb": {
    "r": 77,
    "g": 91,
    "b": 223
  },
  "hsl": {
    "h": 234.247,
    "s": 69.524,
    "l": 58.824
  },
  "oklch": {
    "l": 0.53822,
    "c": 0.19922,
    "h": 273.1
  },
  "luminance": 0.14388
}

Semantic roles & 50–950 ramp

primary

#4D5BDF

secondary

#E1DBA7

accent

#DB3BEC

background

#F9F8FE

surface

#F2F0FD

border

#CCCBD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D5BDF

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

Preview Lab → · Contrast checker → · Palette generator →