#424AC1#424AC1

#424AC1 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.7% C 0.183 H 274.2°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#424AC1
RGB	rgb(66, 74, 193)
HSL	hsl(236, 51%, 51%)
HSV	hsv(236, 66%, 76%)
CMYK	cmyk(65.8%, 61.7%, 0%, 24.3%)
CIE-LAB	lab(37.67, 34.70, -63.39)
CIE-LCH	lch(37.67, 72.27, 298.70°)
OKLab	oklab(47.66% 0.0133 -0.1827)
OKLCH	oklch(47.66% 0.183 274.2)
XYZ	xyz(14.3180, 9.9048, 51.5990)
Luminance	0.0991 (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

#424AC1 #C1B942

analogous

#428AC1 #424AC1 #7942C1

triadic

#424AC1 #C1424A #4AC142

tetradic

#424AC1 #C1428A #C1B942 #42C179

square

#424AC1 #C1428A #C1B942 #42C179

split-complementary

#424AC1 #C17942 #8AC142

monochromatic

#222667 #313795 #424AC1 #7076D0 #9EA2DF

Accessibility & contrast

On white

7.04

#424AC1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#424AC1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424AC1

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424AC1	#FFFFFF	#000000	##FFFFFF
##424AC1	1.00	7.04	2.98	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC5

Deuteranopia (green-blind)

#0053BF

Tritanopia (blue-blind)

#00687E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424ac1;
/* rgb */ color: rgb(66, 74, 193);
/* oklch */ color: oklch(47.7% 0.183 274.2);

Tailwind

colors: {
  custom: {
    50: '#857cd5',
    500: '#424ac1',
    950: '#000000',
  },
}

SCSS

$custom: #424ac1;
$custom-light: #857cd5;
$custom-dark: #000000;

JSON

{
  "hex": "#424ac1",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 193
  },
  "hsl": {
    "h": 236.22,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.47663,
    "c": 0.18319,
    "h": 274.2
  },
  "luminance": 0.09906
}

Semantic roles & 50–950 ramp

primary

#424AC1

secondary

#CCC893

accent

#D14EDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0914

muted

#7D7B83

Preview Lab

Preview with #424AC1

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

Preview Lab → · Contrast checker → · Palette generator →