#424DCC#424DCC

#424DCC is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.1% C 0.194 H 273.1°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#424DCC
RGB	rgb(66, 77, 204)
HSL	hsl(235, 58%, 53%)
HSV	hsv(235, 68%, 80%)
CMYK	cmyk(67.6%, 62.3%, 0%, 20%)
CIE-LAB	lab(39.28, 36.61, -67.16)
CIE-LCH	lch(39.28, 76.49, 298.60°)
OKLab	oklab(49.13% 0.0104 -0.1937)
OKLCH	oklch(49.13% 0.194 273.1)
XYZ	xyz(15.7961, 10.8242, 58.3719)
Luminance	0.1083 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.56

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DCC #CCC142

analogous

#4292CC #424DCC #7C42CC

triadic

#424DCC #CC424D #4DCC42

tetradic

#424DCC #CC4292 #CCC142 #42CC7C

square

#424DCC #CC4292 #CCC142 #42CC7C

split-complementary

#424DCC #CC7C42 #92CC42

monochromatic

#1F2674 #2C36A4 #424DCC #727AD9 #A2A8E6

Accessibility & contrast

On white

6.63

#424DCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#424DCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DCC

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DCC	#FFFFFF	#000000	##FFFFFF
##424DCC	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)

#0063D0

Deuteranopia (green-blind)

#0056CA

Tritanopia (blue-blind)

#006D85

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #424dcc;
/* rgb */ color: rgb(66, 77, 204);
/* oklch */ color: oklch(49.1% 0.194 273.1);

Tailwind

colors: {
  custom: {
    50: '#877fdd',
    500: '#424dcc',
    950: '#000000',
  },
}

SCSS

$custom: #424dcc;
$custom-light: #877fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#424dcc",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 204
  },
  "hsl": {
    "h": 235.217,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.49127,
    "c": 0.19402,
    "h": 273.1
  },
  "luminance": 0.10826
}

Semantic roles & 50–950 ramp

primary

#424DCC

secondary

#D3CE97

accent

#D447E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424DCC

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

Preview Lab → · Contrast checker → · Palette generator →