#424CCE#424CCE

#424CCE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 49.1% C 0.198 H 273.2°. Best body text is #FFFFFF at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#424CCE
RGB	rgb(66, 76, 206)
HSL	hsl(236, 59%, 53%)
HSV	hsv(236, 68%, 81%)
CMYK	cmyk(68%, 63.1%, 0%, 19.2%)
CIE-LAB	lab(39.21, 37.92, -68.43)
CIE-LCH	lch(39.21, 78.23, 298.99°)
OKLab	oklab(49.13% 0.0111 -0.1975)
OKLCH	oklch(49.13% 0.198 273.2)
XYZ	xyz(15.9681, 10.7819, 59.6201)
Luminance	0.1078 (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

#424CCE #CEC442

analogous

#4292CE #424CCE #7E42CE

triadic

#424CCE #CE424C #4CCE42

tetradic

#424CCE #CE4292 #CEC442 #42CE7E

square

#424CCE #CE4292 #CEC442 #42CE7E

split-complementary

#424CCE #CE7E42 #92CE42

monochromatic

#1F2577 #2B34A7 #424CCE #737ADB #A3A8E7

Accessibility & contrast

On white

6.65

#424CCE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#424CCE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CCE

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CCE	#FFFFFF	#000000	##FFFFFF
##424CCE	1.00	6.65	3.16	6.65
#FFFFFF	6.65	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D2

Deuteranopia (green-blind)

#0056CB

Tritanopia (blue-blind)

#006D86

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #424cce;
/* rgb */ color: rgb(66, 76, 206);
/* oklch */ color: oklch(49.1% 0.198 273.2);

Tailwind

colors: {
  custom: {
    50: '#887ede',
    500: '#424cce',
    950: '#000000',
  },
}

SCSS

$custom: #424cce;
$custom-light: #887ede;
$custom-dark: #000000;

JSON

{
  "hex": "#424cce",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 206
  },
  "hsl": {
    "h": 235.714,
    "s": 58.824,
    "l": 53.333
  },
  "oklch": {
    "l": 0.49125,
    "c": 0.19779,
    "h": 273.2
  },
  "luminance": 0.10783
}

Semantic roles & 50–950 ramp

primary

#424CCE

secondary

#D4D098

accent

#D746E2

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #424CCE

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

Preview Lab → · Contrast checker → · Palette generator →