#4B45D9#4B45D9

#4B45D9 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.5% C 0.217 H 276.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4B45D9
RGB	rgb(75, 69, 217)
HSL	hsl(242, 66%, 56%)
HSV	hsv(242, 68%, 85%)
CMYK	cmyk(65.4%, 68.2%, 0%, 14.9%)
CIE-LAB	lab(39.17, 46.90, -74.80)
CIE-LCH	lch(39.17, 88.29, 302.09°)
OKLab	oklab(49.54% 0.0254 -0.2159)
OKLCH	oklch(49.54% 0.217 276.7)
XYZ	xyz(17.5501, 10.7603, 66.7843)
Luminance	0.1076 (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

#4B45D9 #D3D945

analogous

#4589D9 #4B45D9 #9545D9

triadic

#4B45D9 #D94B45 #45D94B

tetradic

#4B45D9 #D94589 #D3D945 #45D995

square

#4B45D9 #D94589 #D3D945 #45D995

split-complementary

#4B45D9 #D99545 #89D945

monochromatic

#201C88 #2C26BB #4B45D9 #7C78E3 #ADABEE

Accessibility & contrast

On white

6.66

#4B45D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#4B45D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B45D9

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B45D9	#FFFFFF	#000000	##FFFFFF
##4B45D9	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DE

Deuteranopia (green-blind)

#0056D6

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #4b45d9;
/* rgb */ color: rgb(75, 69, 217);
/* oklch */ color: oklch(49.5% 0.217 276.7);

Tailwind

colors: {
  custom: {
    50: '#8e7ae6',
    500: '#4b45d9',
    950: '#000000',
  },
}

SCSS

$custom: #4b45d9;
$custom-light: #8e7ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4b45d9",
  "rgb": {
    "r": 75,
    "g": 69,
    "b": 217
  },
  "hsl": {
    "h": 242.432,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.49539,
    "c": 0.21743,
    "h": 276.7
  },
  "luminance": 0.10762
}

Semantic roles & 50–950 ramp

primary

#4B45D9

secondary

#D9DB9E

accent

#E93FE2

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4B45D9

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

Preview Lab → · Contrast checker → · Palette generator →