#424BD8#424BD8

#424BD8 is a mid, highly saturated blue. Relative luminance 0.111; OKLCH L 49.8% C 0.212 H 273.0°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#424BD8
RGB	rgb(66, 75, 216)
HSL	hsl(236, 66%, 55%)
HSV	hsv(236, 69%, 85%)
CMYK	cmyk(69.4%, 65.3%, 0%, 15.3%)
CIE-LAB	lab(39.83, 41.93, -73.18)
CIE-LCH	lch(39.83, 84.34, 299.81°)
OKLab	oklab(49.84% 0.0111 -0.2114)
OKLCH	oklch(49.84% 0.212 273)
XYZ	xyz(17.1534, 11.1466, 66.2000)
Luminance	0.1115 (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

#424BD8 #D8CF42

analogous

#4296D8 #424BD8 #8442D8

triadic

#424BD8 #D8424B #4BD842

tetradic

#424BD8 #D84296 #D8CF42 #42D884

square

#424BD8 #D84296 #D8CF42 #42D884

split-complementary

#424BD8 #D88442 #96D842

monochromatic

#1B2284 #262EB7 #424BD8 #757BE2 #A7ACED

Accessibility & contrast

On white

6.50

#424BD8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#424BD8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424BD8

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424BD8	#FFFFFF	#000000	##FFFFFF
##424BD8	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065DC

Deuteranopia (green-blind)

#0057D5

Tritanopia (blue-blind)

#00708B

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424bd8;
/* rgb */ color: rgb(66, 75, 216);
/* oklch */ color: oklch(49.8% 0.212 273.0);

Tailwind

colors: {
  custom: {
    50: '#8a7de5',
    500: '#424bd8',
    950: '#000000',
  },
}

SCSS

$custom: #424bd8;
$custom-light: #8a7de5;
$custom-dark: #000000;

JSON

{
  "hex": "#424bd8",
  "rgb": {
    "r": 66,
    "g": 75,
    "b": 216
  },
  "hsl": {
    "h": 236.4,
    "s": 65.789,
    "l": 55.294
  },
  "oklch": {
    "l": 0.49836,
    "c": 0.2117,
    "h": 273
  },
  "luminance": 0.11148
}

Semantic roles & 50–950 ramp

primary

#424BD8

secondary

#DAD69C

accent

#DF3FE9

background

#F9F7FE

surface

#F2EEFC

border

#CCC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424BD8

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

Preview Lab → · Contrast checker → · Palette generator →