#424FD3#424FD3

#424FD3 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.1% C 0.201 H 272.5°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#424FD3
RGB	rgb(66, 79, 211)
HSL	hsl(235, 62%, 54%)
HSV	hsv(235, 69%, 83%)
CMYK	cmyk(68.7%, 62.6%, 0%, 17.3%)
CIE-LAB	lab(40.33, 37.78, -69.48)
CIE-LCH	lch(40.33, 79.09, 298.53°)
OKLab	oklab(50.08% 0.0086 -0.2005)
OKLCH	oklch(50.08% 0.201 272.5)
XYZ	xyz(16.7967, 11.4518, 62.9406)
Luminance	0.1145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FD3 #D3C642

analogous

#4297D3 #424FD3 #7E42D3

triadic

#424FD3 #D3424F #4FD342

tetradic

#424FD3 #D34297 #D3C642 #42D37E

square

#424FD3 #D34297 #D3C642 #42D37E

split-complementary

#424FD3 #D37E42 #97D342

monochromatic

#1D267D #2935AF #424FD3 #747DDF #A5ABEA

Accessibility & contrast

On white

6.38

#424FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#424FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FD3

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FD3	#FFFFFF	#000000	##FFFFFF
##424FD3	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D7

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #424fd3;
/* rgb */ color: rgb(66, 79, 211);
/* oklch */ color: oklch(50.1% 0.201 272.5);

Tailwind

colors: {
  custom: {
    50: '#8880e2',
    500: '#424fd3',
    950: '#000000',
  },
}

SCSS

$custom: #424fd3;
$custom-light: #8880e2;
$custom-dark: #000000;

JSON

{
  "hex": "#424fd3",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 211
  },
  "hsl": {
    "h": 234.621,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50075,
    "c": 0.20073,
    "h": 272.5
  },
  "luminance": 0.11453
}

Semantic roles & 50–950 ramp

primary

#424FD3

secondary

#D7D29A

accent

#D742E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #424FD3

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

Preview Lab → · Contrast checker → · Palette generator →