#4B75CC#4B75CC

#4B75CC is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.142 H 263.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#4B75CC
RGB	rgb(75, 117, 204)
HSL	hsl(220, 56%, 55%)
HSV	hsv(220, 63%, 80%)
CMYK	cmyk(63.2%, 42.6%, 0%, 20%)
CIE-LAB	lab(50.19, 12.89, -49.52)
CIE-LCH	lch(50.19, 51.17, 284.58°)
OKLab	oklab(57.48% -0.0168 -0.1412)
OKLCH	oklch(57.48% 0.142 263.2)
XYZ	xyz(20.1582, 18.5762, 59.6383)
Luminance	0.1858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B75CC #CCA24B

analogous

#4BB6CC #4B75CC #624BCC

triadic

#4B75CC #CC4B75 #75CC4B

tetradic

#4B75CC #CC4BB6 #CCA24B #4BCC62

square

#4B75CC #CC4BB6 #CCA24B #4BCC62

split-complementary

#4B75CC #CC624B #B6CC4B

monochromatic

#233F7A #3058AA #4B75CC #7B9ADA #AABEE7

Accessibility & contrast

On white

4.45

#4B75CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#4B75CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4B75CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B75CC	#FFFFFF	#000000	##000000
##4B75CC	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7ECF

Deuteranopia (green-blind)

#3972CA

Tritanopia (blue-blind)

#008996

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4b75cc;
/* rgb */ color: rgb(75, 117, 204);
/* oklch */ color: oklch(57.5% 0.142 263.2);

Tailwind

colors: {
  custom: {
    50: '#899cdc',
    500: '#4b75cc',
    950: '#000000',
  },
}

SCSS

$custom: #4b75cc;
$custom-light: #899cdc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b75cc",
  "rgb": {
    "r": 75,
    "g": 117,
    "b": 204
  },
  "hsl": {
    "h": 220.465,
    "s": 55.844,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57484,
    "c": 0.14219,
    "h": 263.2
  },
  "luminance": 0.18578
}

Semantic roles & 50–950 ramp

primary

#4B75CC

secondary

#D5C39E

accent

#AE49DF

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4B75CC

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

Preview Lab → · Contrast checker → · Palette generator →