#424CDA#424CDA

#424CDA is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.2% C 0.213 H 272.8°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#424CDA
RGB	rgb(66, 76, 218)
HSL	hsl(236, 67%, 56%)
HSV	hsv(236, 70%, 85%)
CMYK	cmyk(69.7%, 65.1%, 0%, 14.5%)
CIE-LAB	lab(40.23, 42.00, -73.67)
CIE-LCH	lch(40.23, 84.80, 299.69°)
OKLab	oklab(50.18% 0.0103 -0.2128)
OKLCH	oklch(50.18% 0.213 272.8)
XYZ	xyz(17.4818, 11.3874, 67.5928)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.62

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CDA #DAD042

analogous

#4298DA #424CDA #8442DA

triadic

#424CDA #DA424C #4CDA42

tetradic

#424CDA #DA4298 #DAD042 #42DA84

square

#424CDA #DA4298 #DAD042 #42DA84

split-complementary

#424CDA #DA8442 #98DA42

monochromatic

#1A2287 #242EBA #424CDA #757CE4 #A8ADEE

Accessibility & contrast

On white

6.41

#424CDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#424CDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424CDA

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CDA	#FFFFFF	#000000	##FFFFFF
##424CDA	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066DE

Deuteranopia (green-blind)

#0058D7

Tritanopia (blue-blind)

#00718C

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #424cda;
/* rgb */ color: rgb(66, 76, 218);
/* oklch */ color: oklch(50.2% 0.213 272.8);

Tailwind

colors: {
  custom: {
    50: '#8a7ee7',
    500: '#424cda',
    950: '#000000',
  },
}

SCSS

$custom: #424cda;
$custom-light: #8a7ee7;
$custom-dark: #000000;

JSON

{
  "hex": "#424cda",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 218
  },
  "hsl": {
    "h": 236.053,
    "s": 67.257,
    "l": 55.686
  },
  "oklch": {
    "l": 0.50179,
    "c": 0.21309,
    "h": 272.8
  },
  "luminance": 0.11389
}

Semantic roles & 50–950 ramp

primary

#424CDA

secondary

#DBD79C

accent

#DF3EEA

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424CDA

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

Preview Lab → · Contrast checker → · Palette generator →