#424DD0#424DD0

#424DD0 is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.5% C 0.199 H 272.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#424DD0
RGB	rgb(66, 77, 208)
HSL	hsl(235, 60%, 54%)
HSV	hsv(235, 68%, 82%)
CMYK	cmyk(68.3%, 63%, 0%, 18.4%)
CIE-LAB	lab(39.61, 37.98, -68.93)
CIE-LCH	lch(39.61, 78.70, 298.86°)
OKLab	oklab(49.47% 0.0102 -0.1989)
OKLCH	oklch(49.47% 0.199 272.9)
XYZ	xyz(16.2820, 11.0185, 60.9310)
Luminance	0.1102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.58

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DD0 #D0C542

analogous

#4294D0 #424DD0 #7E42D0

triadic

#424DD0 #D0424D #4DD042

tetradic

#424DD0 #D04294 #D0C542 #42D07E

square

#424DD0 #D04294 #D0C542 #42D07E

split-complementary

#424DD0 #D07E42 #94D042

monochromatic

#1E2579 #2A34AA #424DD0 #737BDC #A4A9E8

Accessibility & contrast

On white

6.55

#424DD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#424DD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DD0

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DD0	#FFFFFF	#000000	##FFFFFF
##424DD0	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D4

Deuteranopia (green-blind)

#0057CD

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424dd0;
/* rgb */ color: rgb(66, 77, 208);
/* oklch */ color: oklch(49.5% 0.199 272.9);

Tailwind

colors: {
  custom: {
    50: '#887fdf',
    500: '#424dd0',
    950: '#000000',
  },
}

SCSS

$custom: #424dd0;
$custom-light: #887fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#424dd0",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 208
  },
  "hsl": {
    "h": 235.352,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.4947,
    "c": 0.1992,
    "h": 272.9
  },
  "luminance": 0.1102
}

Semantic roles & 50–950 ramp

primary

#424DD0

secondary

#D5D199

accent

#D744E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424DD0

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

Preview Lab → · Contrast checker → · Palette generator →