#4B45DB#4B45DB

#4B45DB is a mid, highly saturated blue. Relative luminance 0.109; OKLCH L 49.7% C 0.220 H 276.6°. Best body text is #FFFFFF at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#4B45DB
RGB	rgb(75, 69, 219)
HSL	hsl(242, 68%, 56%)
HSV	hsv(242, 68%, 86%)
CMYK	cmyk(65.8%, 68.5%, 0%, 14.1%)
CIE-LAB	lab(39.35, 47.54, -75.66)
CIE-LCH	lch(39.35, 89.35, 302.14°)
OKLab	oklab(49.72% 0.0251 -0.2184)
OKLCH	oklch(49.72% 0.22 276.6)
XYZ	xyz(17.8118, 10.8650, 68.1626)
Luminance	0.1087 (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

#4B45DB #D5DB45

analogous

#458ADB #4B45DB #9645DB

triadic

#4B45DB #DB4B45 #45DB4B

tetradic

#4B45DB #DB458A #D5DB45 #45DB96

square

#4B45DB #DB458A #D5DB45 #45DB96

split-complementary

#4B45DB #DB9645 #8ADB45

monochromatic

#1F1B8B #2B25BE #4B45DB #7D78E5 #AEACEF

Accessibility & contrast

On white

6.62

#4B45DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4B45DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B45DB

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B45DB	#FFFFFF	#000000	##FFFFFF
##4B45DB	1.00	6.62	3.17	6.62
#FFFFFF	6.62	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063E0

Deuteranopia (green-blind)

#0056D8

Tritanopia (blue-blind)

#006E8B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b45db;
/* rgb */ color: rgb(75, 69, 219);
/* oklch */ color: oklch(49.7% 0.220 276.6);

Tailwind

colors: {
  custom: {
    50: '#8f7ae7',
    500: '#4b45db',
    950: '#000000',
  },
}

SCSS

$custom: #4b45db;
$custom-light: #8f7ae7;
$custom-dark: #000000;

JSON

{
  "hex": "#4b45db",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 219
  },
  "hsl": {
    "h": 242.4,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.49722,
    "c": 0.21988,
    "h": 276.6
  },
  "luminance": 0.10867
}

Semantic roles & 50–950 ramp

primary

#4B45DB

secondary

#DADD9F

accent

#EA3DE4

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B45DB

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

Preview Lab → · Contrast checker → · Palette generator →