#4B6FDB#4B6FDB

#4B6FDB is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.170 H 267.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#4B6FDB
RGB	rgb(75, 111, 219)
HSL	hsl(225, 67%, 58%)
HSV	hsv(225, 66%, 86%)
CMYK	cmyk(65.8%, 49.3%, 0%, 14.1%)
CIE-LAB	lab(49.47, 21.83, -59.20)
CIE-LCH	lch(49.47, 63.10, 290.25°)
OKLab	oklab(57.23% -0.0087 -0.1697)
OKLCH	oklch(57.23% 0.17 267.1)
XYZ	xyz(21.3679, 17.9772, 69.3480)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B6FDB #DBB74B

analogous

#4BB7DB #4B6FDB #6F4BDB

triadic

#4B6FDB #DB4B6F #6FDB4B

tetradic

#4B6FDB #DB4BB7 #DBB74B #4BDB6F

square

#4B6FDB #DB4BB7 #DBB74B #4BDB6F

split-complementary

#4B6FDB #DB6F4B #B7DB4B

monochromatic

#1D398F #274EC2 #4B6FDB #7E98E5 #B1C1EF

Accessibility & contrast

On white

4.57

#4B6FDB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#4B6FDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B6FDB

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B6FDB	#FFFFFF	#000000	##000000
##4B6FDB	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#337DDF

Deuteranopia (green-blind)

#046FD9

Tritanopia (blue-blind)

#00889B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #4b6fdb;
/* rgb */ color: rgb(75, 111, 219);
/* oklch */ color: oklch(57.2% 0.170 267.1);

Tailwind

colors: {
  custom: {
    50: '#8c97e7',
    500: '#4b6fdb',
    950: '#000000',
  },
}

SCSS

$custom: #4b6fdb;
$custom-light: #8c97e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b6fdb",
  "rgb": {
    "r": 75,
    "g": 111,
    "b": 219
  },
  "hsl": {
    "h": 225,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.57225,
    "c": 0.16996,
    "h": 267.1
  },
  "luminance": 0.17979
}

Semantic roles & 50–950 ramp

primary

#4B6FDB

secondary

#DECFA4

accent

#BF3EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #4B6FDB

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

Preview Lab → · Contrast checker → · Palette generator →