#4D55DB#4D55DB

#4D55DB is a mid, highly saturated blue. Relative luminance 0.132; OKLCH L 52.4% C 0.201 H 274.5°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#4D55DB
RGB	rgb(77, 85, 219)
HSL	hsl(237, 66%, 58%)
HSV	hsv(237, 65%, 86%)
CMYK	cmyk(64.8%, 61.2%, 0%, 14.1%)
CIE-LAB	lab(43.04, 38.32, -69.61)
CIE-LCH	lch(43.04, 79.46, 298.83°)
OKLab	oklab(52.44% 0.0157 -0.2006)
OKLCH	oklch(52.44% 0.201 274.5)
XYZ	xyz(19.0910, 13.1876, 68.5435)
Luminance	0.1319 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D55DB #DBD34D

analogous

#4D9CDB #4D55DB #8C4DDB

triadic

#4D55DB #DB4D55 #55DB4D

tetradic

#4D55DB #DB4D9C #DBD34D #4DDB8C

square

#4D55DB #DB4D9C #DBD34D #4DDB8C

split-complementary

#4D55DB #DB8C4D #9CDB4D

monochromatic

#1D2490 #2730C3 #4D55DB #8086E5 #B3B6F0

Accessibility & contrast

On white

5.77

#4D55DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#4D55DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D55DB

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D55DB	#FFFFFF	#000000	##FFFFFF
##4D55DB	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CDF

Deuteranopia (green-blind)

#005FD8

Tritanopia (blue-blind)

#007790

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4d55db;
/* rgb */ color: rgb(77, 85, 219);
/* oklch */ color: oklch(52.4% 0.201 274.5);

Tailwind

colors: {
  custom: {
    50: '#8e85e7',
    500: '#4d55db',
    950: '#000000',
  },
}

SCSS

$custom: #4d55db;
$custom-light: #8e85e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d55db",
  "rgb": {
    "r": 77,
    "g": 85,
    "b": 219
  },
  "hsl": {
    "h": 236.62,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52444,
    "c": 0.20121,
    "h": 274.5
  },
  "luminance": 0.13189
}

Semantic roles & 50–950 ramp

primary

#4D55DB

secondary

#DEDBA6

accent

#E03FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #4D55DB

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

Preview Lab → · Contrast checker → · Palette generator →