#4D45D9#4D45D9

#4D45D9 is a mid, highly saturated blue. Relative luminance 0.108; OKLCH L 49.7% C 0.217 H 277.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#4D45D9
RGB	rgb(77, 69, 217)
HSL	hsl(243, 66%, 56%)
HSV	hsv(243, 68%, 85%)
CMYK	cmyk(64.5%, 68.2%, 0%, 14.9%)
CIE-LAB	lab(39.31, 47.16, -74.57)
CIE-LCH	lch(39.31, 88.23, 302.31°)
OKLab	oklab(49.68% 0.0279 -0.2152)
OKLCH	oklch(49.68% 0.217 277.4)
XYZ	xyz(17.7090, 10.8423, 66.7917)
Luminance	0.1084 (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

#4D45D9 #D1D945

analogous

#4587D9 #4D45D9 #9745D9

triadic

#4D45D9 #D94D45 #45D94D

tetradic

#4D45D9 #D94587 #D1D945 #45D997

square

#4D45D9 #D94587 #D1D945 #45D997

split-complementary

#4D45D9 #D99745 #87D945

monochromatic

#221C88 #2E26BB #4D45D9 #7E78E3 #AEABEE

Accessibility & contrast

On white

6.63

#4D45D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#4D45D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D45D9

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D45D9	#FFFFFF	#000000	##FFFFFF
##4D45D9	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063DE

Deuteranopia (green-blind)

#0056D6

Tritanopia (blue-blind)

#006D8A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4d45d9;
/* rgb */ color: rgb(77, 69, 217);
/* oklch */ color: oklch(49.7% 0.217 277.4);

Tailwind

colors: {
  custom: {
    50: '#8f7ae6',
    500: '#4d45d9',
    950: '#000000',
  },
}

SCSS

$custom: #4d45d9;
$custom-light: #8f7ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#4d45d9",
  "rgb": {
    "r": 77,
    "g": 69,
    "b": 217
  },
  "hsl": {
    "h": 243.243,
    "s": 66.071,
    "l": 56.078
  },
  "oklch": {
    "l": 0.49676,
    "c": 0.217,
    "h": 277.4
  },
  "luminance": 0.10844
}

Semantic roles & 50–950 ramp

primary

#4D45D9

secondary

#D8DB9E

accent

#E93FE0

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4D45D9

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

Preview Lab → · Contrast checker → · Palette generator →