#424DD5#424DD5

#424DD5 is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 49.9% C 0.206 H 272.8°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#424DD5
RGB	rgb(66, 77, 213)
HSL	hsl(236, 64%, 55%)
HSV	hsv(236, 69%, 84%)
CMYK	cmyk(69%, 63.8%, 0%, 16.5%)
CIE-LAB	lab(40.03, 39.69, -71.13)
CIE-LCH	lch(40.03, 81.45, 299.16°)
OKLab	oklab(49.91% 0.0099 -0.2054)
OKLCH	oklch(49.91% 0.206 272.8)
XYZ	xyz(16.9069, 11.2685, 64.2219)
Luminance	0.1127 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.69

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DD5 #D5CA42

analogous

#4297D5 #424DD5 #8042D5

triadic

#424DD5 #D5424D #4DD542

tetradic

#424DD5 #D54297 #D5CA42 #42D580

square

#424DD5 #D54297 #D5CA42 #42D580

split-complementary

#424DD5 #D58042 #97D542

monochromatic

#1C2480 #2832B2 #424DD5 #747CE0 #A6ABEB

Accessibility & contrast

On white

6.45

#424DD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#424DD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DD5

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DD5	#FFFFFF	#000000	##FFFFFF
##424DD5	1.00	6.45	3.25	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D9

Deuteranopia (green-blind)

#0058D2

Tritanopia (blue-blind)

#00708A

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424dd5;
/* rgb */ color: rgb(66, 77, 213);
/* oklch */ color: oklch(49.9% 0.206 272.8);

Tailwind

colors: {
  custom: {
    50: '#897fe3',
    500: '#424dd5',
    950: '#000000',
  },
}

SCSS

$custom: #424dd5;
$custom-light: #897fe3;
$custom-dark: #000000;

JSON

{
  "hex": "#424dd5",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 213
  },
  "hsl": {
    "h": 235.51,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.49905,
    "c": 0.20562,
    "h": 272.8
  },
  "luminance": 0.1127
}

Semantic roles & 50–950 ramp

primary

#424DD5

secondary

#D8D49A

accent

#DA41E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424DD5

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

Preview Lab → · Contrast checker → · Palette generator →