#424DD1#424DD1

#424DD1 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 49.6% C 0.200 H 272.9°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#424DD1
RGB	rgb(66, 77, 209)
HSL	hsl(235, 61%, 54%)
HSV	hsv(235, 68%, 82%)
CMYK	cmyk(68.4%, 63.2%, 0%, 18%)
CIE-LAB	lab(39.69, 38.33, -69.37)
CIE-LCH	lch(39.69, 79.25, 298.92°)
OKLab	oklab(49.56% 0.0102 -0.2002)
OKLCH	oklch(49.56% 0.2 272.9)
XYZ	xyz(16.4054, 11.0679, 61.5810)
Luminance	0.1107 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DD1 #D1C642

analogous

#4295D1 #424DD1 #7F42D1

triadic

#424DD1 #D1424D #4DD142

tetradic

#424DD1 #D14295 #D1C642 #42D17F

square

#424DD1 #D14295 #D1C642 #42D17F

split-complementary

#424DD1 #D17F42 #95D142

monochromatic

#1E257B #2A34AC #424DD1 #737BDD #A4AAE9

Accessibility & contrast

On white

6.53

#424DD1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#424DD1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DD1

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DD1	#FFFFFF	#000000	##FFFFFF
##424DD1	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D5

Deuteranopia (green-blind)

#0057CE

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424dd1;
/* rgb */ color: rgb(66, 77, 209);
/* oklch */ color: oklch(49.6% 0.200 272.9);

Tailwind

colors: {
  custom: {
    50: '#887fe0',
    500: '#424dd1',
    950: '#000000',
  },
}

SCSS

$custom: #424dd1;
$custom-light: #887fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#424dd1",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 209
  },
  "hsl": {
    "h": 235.385,
    "s": 60.851,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49557,
    "c": 0.20049,
    "h": 272.9
  },
  "luminance": 0.11069
}

Semantic roles & 50–950 ramp

primary

#424DD1

secondary

#D6D199

accent

#D844E4

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424DD1

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

Preview Lab → · Contrast checker → · Palette generator →