#4B75DB#4B75DB

#4B75DB is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.4% C 0.163 H 265.0°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#4B75DB
RGB	rgb(75, 117, 219)
HSL	hsl(223, 67%, 58%)
HSV	hsv(223, 66%, 86%)
CMYK	cmyk(65.8%, 46.6%, 0%, 14.1%)
CIE-LAB	lab(51.07, 18.10, -56.62)
CIE-LCH	lch(51.07, 59.44, 287.73°)
OKLab	oklab(58.45% -0.0143 -0.1621)
OKLCH	oklch(58.45% 0.163 265)
XYZ	xyz(22.0447, 19.3308, 69.5736)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B75DB #DBB14B

analogous

#4BBDDB #4B75DB #694BDB

triadic

#4B75DB #DB4B75 #75DB4B

tetradic

#4B75DB #DB4BBD #DBB14B #4BDB69

square

#4B75DB #DB4BBD #DBB14B #4BDB69

split-complementary

#4B75DB #DB694B #BDDB4B

monochromatic

#1D3E8F #2754C2 #4B75DB #7E9CE5 #B1C3EF

Accessibility & contrast

On white

4.32

#4B75DB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#4B75DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B75DB

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B75DB	#FFFFFF	#000000	##000000
##4B75DB	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4181DF

Deuteranopia (green-blind)

#2473D9

Tritanopia (blue-blind)

#008D9D

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #4b75db;
/* rgb */ color: rgb(75, 117, 219);
/* oklch */ color: oklch(58.4% 0.163 265.0);

Tailwind

colors: {
  custom: {
    50: '#8c9ce7',
    500: '#4b75db',
    950: '#000000',
  },
}

SCSS

$custom: #4b75db;
$custom-light: #8c9ce7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b75db",
  "rgb": {
    "r": 75,
    "g": 117,
    "b": 219
  },
  "hsl": {
    "h": 222.5,
    "s": 66.667,
    "l": 57.647
  },
  "oklch": {
    "l": 0.58449,
    "c": 0.16269,
    "h": 265
  },
  "luminance": 0.19333
}

Semantic roles & 50–950 ramp

primary

#4B75DB

secondary

#DECDA4

accent

#B83EEA

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0E16

muted

#7E7E84

Preview Lab

Preview with #4B75DB

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

Preview Lab → · Contrast checker → · Palette generator →