#4B45BF#4B45BF

#4B45BF is a mid, vivid blue. Relative luminance 0.095; OKLCH L 47.2% C 0.185 H 278.8°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#4B45BF
RGB	rgb(75, 69, 191)
HSL	hsl(243, 49%, 51%)
HSV	hsv(243, 64%, 75%)
CMYK	cmyk(60.7%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(36.95, 38.49, -63.37)
CIE-LCH	lch(36.95, 74.14, 301.28°)
OKLab	oklab(47.25% 0.0283 -0.1824)
OKLCH	oklch(47.25% 0.185 278.8)
XYZ	xyz(14.4307, 9.5126, 50.3558)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.80

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B45BF #B9BF45

analogous

#457CBF #4B45BF #8845BF

triadic

#4B45BF #BF4B45 #45BF4B

tetradic

#4B45BF #BF457C #B9BF45 #45BF88

square

#4B45BF #BF457C #B9BF45 #45BF88

split-complementary

#4B45BF #BF8845 #7CBF45

monochromatic

#272366 #383394 #4B45BF #7773CF #A3A0DE

Accessibility & contrast

On white

7.23

#4B45BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#4B45BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4B45BF

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B45BF	#FFFFFF	#000000	##FFFFFF
##4B45BF	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CC3

Deuteranopia (green-blind)

#0052BD

Tritanopia (blue-blind)

#00647B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4b45bf;
/* rgb */ color: rgb(75, 69, 191);
/* oklch */ color: oklch(47.2% 0.185 278.8);

Tailwind

colors: {
  custom: {
    50: '#8979d3',
    500: '#4b45bf',
    950: '#000000',
  },
}

SCSS

$custom: #4b45bf;
$custom-light: #8979d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4b45bf",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 242.951,
    "s": 48.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.47247,
    "c": 0.18461,
    "h": 278.8
  },
  "luminance": 0.09514
}

Semantic roles & 50–950 ramp

primary

#4B45BF

secondary

#C8CB95

accent

#D84FD2

background

#F9F7FD

surface

#F1EDFA

border

#CBC8D3

text

#0D0914

muted

#7E7B83

Preview Lab

Preview with #4B45BF

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

Preview Lab → · Contrast checker → · Palette generator →