#424FD5#424FD5

#424FD5 is a mid, highly saturated blue. Relative luminance 0.116; OKLCH L 50.2% C 0.203 H 272.4°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#424FD5
RGB	rgb(66, 79, 213)
HSL	hsl(235, 64%, 55%)
HSV	hsv(235, 69%, 84%)
CMYK	cmyk(69%, 62.9%, 0%, 16.5%)
CIE-LAB	lab(40.50, 38.47, -70.36)
CIE-LCH	lch(40.50, 80.19, 298.66°)
OKLab	oklab(50.25% 0.0085 -0.2031)
OKLCH	oklch(50.25% 0.203 272.4)
XYZ	xyz(17.0490, 11.5527, 64.2693)
Luminance	0.1155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FD5 #D5C842

analogous

#4298D5 #424FD5 #7F42D5

triadic

#424FD5 #D5424F #4FD542

tetradic

#424FD5 #D54298 #D5C842 #42D57F

square

#424FD5 #D54298 #D5C842 #42D57F

split-complementary

#424FD5 #D57F42 #98D542

monochromatic

#1C2580 #2834B2 #424FD5 #747EE0 #A6ACEB

Accessibility & contrast

On white

6.34

#424FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#424FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FD5

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FD5	#FFFFFF	#000000	##FFFFFF
##424FD5	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D9

Deuteranopia (green-blind)

#0059D2

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #424fd5;
/* rgb */ color: rgb(66, 79, 213);
/* oklch */ color: oklch(50.2% 0.203 272.4);

Tailwind

colors: {
  custom: {
    50: '#8980e3',
    500: '#424fd5',
    950: '#000000',
  },
}

SCSS

$custom: #424fd5;
$custom-light: #8980e3;
$custom-dark: #000000;

JSON

{
  "hex": "#424fd5",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 213
  },
  "hsl": {
    "h": 234.694,
    "s": 63.636,
    "l": 54.706
  },
  "oklch": {
    "l": 0.50247,
    "c": 0.2033,
    "h": 272.4
  },
  "luminance": 0.11554
}

Semantic roles & 50–950 ramp

primary

#424FD5

secondary

#D8D39A

accent

#D841E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #424FD5

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

Preview Lab → · Contrast checker → · Palette generator →