#4C75CB#4C75CB

#4C75CB is a mid, vivid blue. Relative luminance 0.186; OKLCH L 57.5% C 0.140 H 263.4°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#4C75CB
RGB	rgb(76, 117, 203)
HSL	hsl(221, 55%, 55%)
HSV	hsv(221, 63%, 80%)
CMYK	cmyk(62.6%, 42.4%, 0%, 20.4%)
CIE-LAB	lab(50.18, 12.72, -48.96)
CIE-LCH	lch(50.18, 50.59, 284.56°)
OKLab	oklab(57.47% -0.0161 -0.1395)
OKLCH	oklch(57.47% 0.14 263.4)
XYZ	xyz(20.1175, 18.5691, 59.0123)
Luminance	0.1857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C75CB #CBA24C

analogous

#4CB4CB #4C75CB #634CCB

triadic

#4C75CB #CB4C75 #75CB4C

tetradic

#4C75CB #CB4CB4 #CBA24C #4CCB63

square

#4C75CB #CB4CB4 #CBA24C #4CCB63

split-complementary

#4C75CB #CB634C #B4CB4C

monochromatic

#233F79 #3158A9 #4C75CB #7B9AD9 #ABBEE7

Accessibility & contrast

On white

4.45

#4C75CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#4C75CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4C75CB

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C75CB	#FFFFFF	#000000	##000000
##4C75CB	1.00	4.45	4.71	4.71
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E7ECE

Deuteranopia (green-blind)

#3B72C9

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #4c75cb;
/* rgb */ color: rgb(76, 117, 203);
/* oklch */ color: oklch(57.5% 0.140 263.4);

Tailwind

colors: {
  custom: {
    50: '#899cdb',
    500: '#4c75cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c75cb;
$custom-light: #899cdb;
$custom-dark: #000000;

JSON

{
  "hex": "#4c75cb",
  "rgb": {
    "r": 76,
    "g": 117,
    "b": 203
  },
  "hsl": {
    "h": 220.63,
    "s": 54.978,
    "l": 54.706
  },
  "oklch": {
    "l": 0.57472,
    "c": 0.14046,
    "h": 263.4
  },
  "luminance": 0.18571
}

Semantic roles & 50–950 ramp

primary

#4C75CB

secondary

#D4C39F

accent

#AE49DE

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0D0E15

muted

#7D7E83

Preview Lab

Preview with #4C75CB

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

Preview Lab → · Contrast checker → · Palette generator →