#4C45CB#4C45CB

#4C45CB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.4% C 0.200 H 278.2°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#4C45CB
RGB	rgb(76, 69, 203)
HSL	hsl(243, 56%, 53%)
HSV	hsv(243, 66%, 80%)
CMYK	cmyk(62.6%, 66%, 0%, 20.4%)
CIE-LAB	lab(38.03, 42.54, -68.60)
CIE-LCH	lch(38.03, 80.72, 301.80°)
OKLab	oklab(48.36% 0.0284 -0.1978)
OKLCH	oklch(48.36% 0.2 278.2)
XYZ	xyz(15.8846, 10.1033, 57.6014)
Luminance	0.1011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C45CB #C4CB45

analogous

#4581CB #4C45CB #8F45CB

triadic

#4C45CB #CB4C45 #45CB4C

tetradic

#4C45CB #CB4581 #C4CB45 #45CB8F

square

#4C45CB #CB4581 #C4CB45 #45CB8F

split-complementary

#4C45CB #CB8F45 #81CB45

monochromatic

#252175 #342EA5 #4C45CB #7A75D8 #A8A5E6

Accessibility & contrast

On white

6.95

#4C45CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4C45CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C45CB

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C45CB	#FFFFFF	#000000	##FFFFFF
##4C45CB	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FCF

Deuteranopia (green-blind)

#0054C8

Tritanopia (blue-blind)

#006882

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4c45cb;
/* rgb */ color: rgb(76, 69, 203);
/* oklch */ color: oklch(48.4% 0.200 278.2);

Tailwind

colors: {
  custom: {
    50: '#8c79dc',
    500: '#4c45cb',
    950: '#000000',
  },
}

SCSS

$custom: #4c45cb;
$custom-light: #8c79dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4c45cb",
  "rgb": {
    "r": 76,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 243.134,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48356,
    "c": 0.19979,
    "h": 278.2
  },
  "luminance": 0.10105
}

Semantic roles & 50–950 ramp

primary

#4C45CB

secondary

#D0D399

accent

#E048D8

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4C45CB

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

Preview Lab → · Contrast checker → · Palette generator →