#424ED3#424ED3

#424ED3 is a mid, highly saturated blue. Relative luminance 0.113; OKLCH L 49.9% C 0.202 H 272.7°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#424ED3
RGB	rgb(66, 78, 211)
HSL	hsl(235, 62%, 54%)
HSV	hsv(235, 69%, 83%)
CMYK	cmyk(68.7%, 63%, 0%, 17.3%)
CIE-LAB	lab(40.10, 38.40, -69.87)
CIE-LCH	lch(40.10, 79.72, 298.79°)
OKLab	oklab(49.9% 0.0094 -0.2017)
OKLCH	oklch(49.9% 0.202 272.7)
XYZ	xyz(16.7251, 11.3086, 62.9167)
Luminance	0.1131 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424ED3 #D3C742

analogous

#4297D3 #424ED3 #7E42D3

triadic

#424ED3 #D3424E #4ED342

tetradic

#424ED3 #D34297 #D3C742 #42D37E

square

#424ED3 #D34297 #D3C742 #42D37E

split-complementary

#424ED3 #D37E42 #97D342

monochromatic

#1D257D #2934AF #424ED3 #747CDF #A5ABEA

Accessibility & contrast

On white

6.44

#424ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#424ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424ED3

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424ED3	#FFFFFF	#000000	##FFFFFF
##424ED3	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D7

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#007089

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424ed3;
/* rgb */ color: rgb(66, 78, 211);
/* oklch */ color: oklch(49.9% 0.202 272.7);

Tailwind

colors: {
  custom: {
    50: '#887fe2',
    500: '#424ed3',
    950: '#000000',
  },
}

SCSS

$custom: #424ed3;
$custom-light: #887fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#424ed3",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 211
  },
  "hsl": {
    "h": 235.034,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.49902,
    "c": 0.2019,
    "h": 272.7
  },
  "luminance": 0.1131
}

Semantic roles & 50–950 ramp

primary

#424ED3

secondary

#D7D29A

accent

#D842E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #424ED3

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

Preview Lab → · Contrast checker → · Palette generator →