#424CB6#424CB6

#424CB6 is a mid, vivid blue. Relative luminance 0.097; OKLCH L 47.1% C 0.166 H 274.1°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#424CB6
RGB	rgb(66, 76, 182)
HSL	hsl(235, 47%, 49%)
HSV	hsv(235, 64%, 71%)
CMYK	cmyk(63.7%, 58.2%, 0%, 28.6%)
CIE-LAB	lab(37.30, 29.64, -57.53)
CIE-LCH	lch(37.30, 64.72, 297.25°)
OKLab	oklab(47.12% 0.0117 -0.1655)
OKLCH	oklch(47.12% 0.166 274.1)
XYZ	xyz(13.2719, 9.7034, 45.4204)
Luminance	0.0970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CB6 #B6AC42

analogous

#4286B6 #424CB6 #7242B6

triadic

#424CB6 #B6424C #4CB642

tetradic

#424CB6 #B64286 #B6AC42 #42B672

square

#424CB6 #B64286 #B6AC42 #42B672

split-complementary

#424CB6 #B67242 #86B642

monochromatic

#21265C #323989 #424CB6 #6C74CA #999EDA

Accessibility & contrast

On white

7.14

#424CB6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#424CB6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CB6

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CB6	#FFFFFF	#000000	##FFFFFF
##424CB6	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DBA

Deuteranopia (green-blind)

#0053B4

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #424cb6;
/* rgb */ color: rgb(66, 76, 182);
/* oklch */ color: oklch(47.1% 0.166 274.1);

Tailwind

colors: {
  custom: {
    50: '#837ecd',
    500: '#424cb6',
    950: '#000000',
  },
}

SCSS

$custom: #424cb6;
$custom-light: #837ecd;
$custom-dark: #000000;

JSON

{
  "hex": "#424cb6",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 182
  },
  "hsl": {
    "h": 234.828,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47123,
    "c": 0.1659,
    "h": 274.1
  },
  "luminance": 0.09705
}

Semantic roles & 50–950 ramp

primary

#424CB6

secondary

#C6C18E

accent

#CB51D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0913

muted

#7D7B82

Preview Lab

Preview with #424CB6

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

Preview Lab → · Contrast checker → · Palette generator →