#4B75CD#4B75CD

#4B75CD is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.144 H 263.4°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#4B75CD
RGB	rgb(75, 117, 205)
HSL	hsl(221, 57%, 55%)
HSV	hsv(221, 63%, 80%)
CMYK	cmyk(63.4%, 42.9%, 0%, 19.6%)
CIE-LAB	lab(50.24, 13.23, -50.00)
CIE-LCH	lch(50.24, 51.72, 284.82°)
OKLab	oklab(57.55% -0.0166 -0.1426)
OKLCH	oklch(57.55% 0.144 263.4)
XYZ	xyz(20.2785, 18.6243, 60.2720)
Luminance	0.1863 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B75CD #CDA34B

analogous

#4BB6CD #4B75CD #624BCD

triadic

#4B75CD #CD4B75 #75CD4B

tetradic

#4B75CD #CD4BB6 #CDA34B #4BCD62

square

#4B75CD #CD4BB6 #CDA34B #4BCD62

split-complementary

#4B75CD #CD624B #B6CD4B

monochromatic

#223F7B #3058AB #4B75CD #7B9ADA #ABBEE8

Accessibility & contrast

On white

4.44

#4B75CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#4B75CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B75CD

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B75CD	#FFFFFF	#000000	##000000
##4B75CD	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C7ED0

Deuteranopia (green-blind)

#3872CB

Tritanopia (blue-blind)

#008997

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #4b75cd;
/* rgb */ color: rgb(75, 117, 205);
/* oklch */ color: oklch(57.5% 0.144 263.4);

Tailwind

colors: {
  custom: {
    50: '#899cdd',
    500: '#4b75cd',
    950: '#000000',
  },
}

SCSS

$custom: #4b75cd;
$custom-light: #899cdd;
$custom-dark: #000000;

JSON

{
  "hex": "#4b75cd",
  "rgb": {
    "r": 75,
    "g": 117,
    "b": 205
  },
  "hsl": {
    "h": 220.615,
    "s": 56.522,
    "l": 54.902
  },
  "oklch": {
    "l": 0.57547,
    "c": 0.14357,
    "h": 263.4
  },
  "luminance": 0.18626
}

Semantic roles & 50–950 ramp

primary

#4B75CD

secondary

#D5C49F

accent

#AF48E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B75CD

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

Preview Lab → · Contrast checker → · Palette generator →