#4B45CB#4B45CB

#4B45CB is a mid, vivid blue. Relative luminance 0.101; OKLCH L 48.3% C 0.200 H 277.8°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#4B45CB
RGB	rgb(75, 69, 203)
HSL	hsl(243, 56%, 53%)
HSV	hsv(243, 66%, 80%)
CMYK	cmyk(63.1%, 66%, 0%, 20.4%)
CIE-LAB	lab(37.95, 42.39, -68.73)
CIE-LCH	lch(37.95, 80.75, 301.67°)
OKLab	oklab(48.29% 0.0272 -0.1981)
OKLCH	oklch(48.29% 0.2 277.8)
XYZ	xyz(15.8058, 10.0626, 57.5977)
Luminance	0.1006 (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

#4B45CB #C5CB45

analogous

#4582CB #4B45CB #8E45CB

triadic

#4B45CB #CB4B45 #45CB4B

tetradic

#4B45CB #CB4582 #C5CB45 #45CB8E

square

#4B45CB #CB4582 #C5CB45 #45CB8E

split-complementary

#4B45CB #CB8E45 #82CB45

monochromatic

#242175 #332EA5 #4B45CB #7975D8 #A8A5E6

Accessibility & contrast

On white

6.97

#4B45CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#4B45CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B45CB

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B45CB	#FFFFFF	#000000	##FFFFFF
##4B45CB	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	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: #4b45cb;
/* rgb */ color: rgb(75, 69, 203);
/* oklch */ color: oklch(48.3% 0.200 277.8);

Tailwind

colors: {
  custom: {
    50: '#8c79dc',
    500: '#4b45cb',
    950: '#000000',
  },
}

SCSS

$custom: #4b45cb;
$custom-light: #8c79dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4b45cb",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 203
  },
  "hsl": {
    "h": 242.687,
    "s": 56.303,
    "l": 53.333
  },
  "oklch": {
    "l": 0.48285,
    "c": 0.19999,
    "h": 277.8
  },
  "luminance": 0.10064
}

Semantic roles & 50–950 ramp

primary

#4B45CB

secondary

#D0D399

accent

#E048D9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #4B45CB

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

Preview Lab → · Contrast checker → · Palette generator →