#424FB2#424FB2

#424FB2 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.4% C 0.157 H 273.2°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#424FB2
RGB	rgb(66, 79, 178)
HSL	hsl(233, 46%, 48%)
HSV	hsv(233, 63%, 70%)
CMYK	cmyk(62.9%, 55.6%, 0%, 30.2%)
CIE-LAB	lab(37.78, 26.32, -54.41)
CIE-LCH	lch(37.78, 60.44, 295.82°)
OKLab	oklab(47.38% 0.0089 -0.1562)
OKLCH	oklch(47.38% 0.157 273.2)
XYZ	xyz(13.0760, 9.9635, 43.3449)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424FB2 #B2A542

analogous

#4287B2 #424FB2 #6D42B2

triadic

#424FB2 #B2424F #4FB242

tetradic

#424FB2 #B24287 #B2A542 #42B26D

square

#424FB2 #B24287 #B2A542 #42B26D

split-complementary

#424FB2 #B26D42 #87B242

monochromatic

#212759 #313B85 #424FB2 #6A75C8 #969ED8

Accessibility & contrast

On white

7.02

#424FB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#424FB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424FB2

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424FB2	#FFFFFF	#000000	##FFFFFF
##424FB2	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB5

Deuteranopia (green-blind)

#0054B0

Tritanopia (blue-blind)

#006679

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #424fb2;
/* rgb */ color: rgb(66, 79, 178);
/* oklch */ color: oklch(47.4% 0.157 273.2);

Tailwind

colors: {
  custom: {
    50: '#8280ca',
    500: '#424fb2',
    950: '#000000',
  },
}

SCSS

$custom: #424fb2;
$custom-light: #8280ca;
$custom-dark: #000000;

JSON

{
  "hex": "#424fb2",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 178
  },
  "hsl": {
    "h": 233.036,
    "s": 45.902,
    "l": 47.843
  },
  "oklch": {
    "l": 0.47382,
    "c": 0.1565,
    "h": 273.2
  },
  "luminance": 0.09965
}

Semantic roles & 50–950 ramp

primary

#424FB2

secondary

#C4BD8C

accent

#C652D6

background

#F8F7FC

surface

#F0EEF8

border

#CBC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #424FB2

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

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