#424FB6#424FB6

#424FB6 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.162 H 273.2°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#424FB6
RGB	rgb(66, 79, 182)
HSL	hsl(233, 47%, 49%)
HSV	hsv(233, 64%, 71%)
CMYK	cmyk(63.7%, 56.6%, 0%, 28.6%)
CIE-LAB	lab(38.07, 27.72, -56.29)
CIE-LCH	lch(38.07, 62.75, 296.21°)
OKLab	oklab(47.69% 0.009 -0.1618)
OKLCH	oklch(47.69% 0.162 273.2)
XYZ	xyz(13.4834, 10.1265, 45.4909)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FB6 #B6A942

analogous

#4289B6 #424FB6 #6F42B6

triadic

#424FB6 #B6424F #4FB642

tetradic

#424FB6 #B64289 #B6A942 #42B66F

square

#424FB6 #B64289 #B6A942 #42B66F

split-complementary

#424FB6 #B66F42 #89B642

monochromatic

#21285C #323C89 #424FB6 #6C76CA #99A0DA

Accessibility & contrast

On white

6.94

#424FB6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#424FB6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #424FB6

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FB6	#FFFFFF	#000000	##FFFFFF
##424FB6	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBA

Deuteranopia (green-blind)

#0055B4

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #424fb6;
/* rgb */ color: rgb(66, 79, 182);
/* oklch */ color: oklch(47.7% 0.162 273.2);

Tailwind

colors: {
  custom: {
    50: '#8380cd',
    500: '#424fb6',
    950: '#000000',
  },
}

SCSS

$custom: #424fb6;
$custom-light: #8380cd;
$custom-dark: #000000;

JSON

{
  "hex": "#424fb6",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 182
  },
  "hsl": {
    "h": 233.276,
    "s": 46.774,
    "l": 48.627
  },
  "oklch": {
    "l": 0.47692,
    "c": 0.16205,
    "h": 273.2
  },
  "luminance": 0.10128
}

Semantic roles & 50–950 ramp

primary

#424FB6

secondary

#C6C08E

accent

#C751D6

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A13

muted

#7D7C82

Preview Lab

Preview with #424FB6

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

Preview Lab → · Contrast checker → · Palette generator →