#424BCC#424BCC

#424BCC is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.8% C 0.196 H 273.5°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#424BCC
RGB	rgb(66, 75, 204)
HSL	hsl(236, 58%, 53%)
HSV	hsv(236, 68%, 80%)
CMYK	cmyk(67.6%, 63.2%, 0%, 20%)
CIE-LAB	lab(38.81, 37.85, -67.93)
CIE-LCH	lch(38.81, 77.76, 299.13°)
OKLab	oklab(48.78% 0.0119 -0.196)
OKLCH	oklch(48.78% 0.196 273.5)
XYZ	xyz(15.6583, 10.5486, 58.3259)
Luminance	0.1055 (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

#424BCC #CCC342

analogous

#4290CC #424BCC #7E42CC

triadic

#424BCC #CC424B #4BCC42

tetradic

#424BCC #CC4290 #CCC342 #42CC7E

square

#424BCC #CC4290 #CCC342 #42CC7E

split-complementary

#424BCC #CC7E42 #90CC42

monochromatic

#1F2574 #2C34A4 #424BCC #7279D9 #A2A7E6

Accessibility & contrast

On white

6.75

#424BCC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#424BCC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BCC

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BCC	#FFFFFF	#000000	##FFFFFF
##424BCC	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062D0

Deuteranopia (green-blind)

#0055CA

Tritanopia (blue-blind)

#006C84

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #424bcc;
/* rgb */ color: rgb(66, 75, 204);
/* oklch */ color: oklch(48.8% 0.196 273.5);

Tailwind

colors: {
  custom: {
    50: '#877ddd',
    500: '#424bcc',
    950: '#000000',
  },
}

SCSS

$custom: #424bcc;
$custom-light: #877ddd;
$custom-dark: #000000;

JSON

{
  "hex": "#424bcc",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 204
  },
  "hsl": {
    "h": 236.087,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.48779,
    "c": 0.19638,
    "h": 273.5
  },
  "luminance": 0.1055
}

Semantic roles & 50–950 ramp

primary

#424BCC

secondary

#D3CF97

accent

#D747E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0915

muted

#7E7B83

Preview Lab

Preview with #424BCC

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

Preview Lab → · Contrast checker → · Palette generator →