#4D53DB#4D53DB

#4D53DB is a mid, highly saturated blue. Relative luminance 0.129; OKLCH L 52.1% C 0.204 H 274.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#4D53DB
RGB	rgb(77, 83, 219)
HSL	hsl(237, 66%, 58%)
HSV	hsv(237, 65%, 86%)
CMYK	cmyk(64.8%, 62.1%, 0%, 14.1%)
CIE-LAB	lab(42.58, 39.53, -70.37)
CIE-LCH	lch(42.58, 80.71, 299.33°)
OKLab	oklab(52.1% 0.0173 -0.2028)
OKLCH	oklch(52.1% 0.204 274.9)
XYZ	xyz(18.9358, 12.8771, 68.4917)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D53DB #DBD54D

analogous

#4D9ADB #4D53DB #8E4DDB

triadic

#4D53DB #DB4D53 #53DB4D

tetradic

#4D53DB #DB4D9A #DBD54D #4DDB8E

square

#4D53DB #DB4D9A #DBD54D #4DDB8E

split-complementary

#4D53DB #DB8E4D #9ADB4D

monochromatic

#1D2290 #272EC3 #4D53DB #8084E5 #B3B5F0

Accessibility & contrast

On white

5.87

#4D53DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#4D53DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D53DB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D53DB	#FFFFFF	#000000	##FFFFFF
##4D53DB	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BDF

Deuteranopia (green-blind)

#005ED8

Tritanopia (blue-blind)

#00758F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #4d53db;
/* rgb */ color: rgb(77, 83, 219);
/* oklch */ color: oklch(52.1% 0.204 274.9);

Tailwind

colors: {
  custom: {
    50: '#8e83e7',
    500: '#4d53db',
    950: '#000000',
  },
}

SCSS

$custom: #4d53db;
$custom-light: #8e83e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4d53db",
  "rgb": {
    "r": 77,
    "g": 83,
    "b": 219
  },
  "hsl": {
    "h": 237.465,
    "s": 66.355,
    "l": 58.039
  },
  "oklch": {
    "l": 0.52101,
    "c": 0.20358,
    "h": 274.9
  },
  "luminance": 0.12879
}

Semantic roles & 50–950 ramp

primary

#4D53DB

secondary

#DEDCA6

accent

#E23FE9

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #4D53DB

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

Preview Lab → · Contrast checker → · Palette generator →