#424DD3#424DD3

#424DD3 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 49.7% C 0.203 H 272.8°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#424DD3
RGB	rgb(66, 77, 211)
HSL	hsl(235, 62%, 54%)
HSV	hsv(235, 69%, 83%)
CMYK	cmyk(68.7%, 63.5%, 0%, 17.3%)
CIE-LAB	lab(39.86, 39.01, -70.25)
CIE-LCH	lch(39.86, 80.35, 299.04°)
OKLab	oklab(49.73% 0.0101 -0.2028)
OKLCH	oklch(49.73% 0.203 272.8)
XYZ	xyz(16.6546, 11.1676, 62.8932)
Luminance	0.1117 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424DD3 #D3C842

analogous

#4296D3 #424DD3 #8042D3

triadic

#424DD3 #D3424D #4DD342

tetradic

#424DD3 #D34296 #D3C842 #42D380

square

#424DD3 #D34296 #D3C842 #42D380

split-complementary

#424DD3 #D38042 #96D342

monochromatic

#1D247D #2933AF #424DD3 #747CDF #A5ABEA

Accessibility & contrast

On white

6.49

#424DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#424DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424DD3

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424DD3	#FFFFFF	#000000	##FFFFFF
##424DD3	1.00	6.49	3.23	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D7

Deuteranopia (green-blind)

#0057D0

Tritanopia (blue-blind)

#007089

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #424dd3;
/* rgb */ color: rgb(66, 77, 211);
/* oklch */ color: oklch(49.7% 0.203 272.8);

Tailwind

colors: {
  custom: {
    50: '#887fe2',
    500: '#424dd3',
    950: '#000000',
  },
}

SCSS

$custom: #424dd3;
$custom-light: #887fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#424dd3",
  "rgb": {
    "r": 66,
    "g": 77,
    "b": 211
  },
  "hsl": {
    "h": 235.448,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.4973,
    "c": 0.20306,
    "h": 272.8
  },
  "luminance": 0.11169
}

Semantic roles & 50–950 ramp

primary

#424DD3

secondary

#D7D29A

accent

#D942E5

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #424DD3

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

Preview Lab → · Contrast checker → · Palette generator →