#424CA6#424CA6

#424CA6 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.144 H 274.5°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#424CA6
RGB	rgb(66, 76, 166)
HSL	hsl(234, 43%, 45%)
HSV	hsv(234, 60%, 65%)
CMYK	cmyk(60.2%, 54.2%, 0%, 34.9%)
CIE-LAB	lab(36.14, 24.08, -49.93)
CIE-LCH	lch(36.14, 55.43, 295.75°)
OKLab	oklab(45.88% 0.0113 -0.1431)
OKLCH	oklch(45.88% 0.144 274.5)
XYZ	xyz(11.7119, 9.0794, 37.2043)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424CA6 #A69C42

analogous

#427EA6 #424CA6 #6A42A6

triadic

#424CA6 #A6424C #4CA642

tetradic

#424CA6 #A6427E #A69C42 #42A66A

square

#424CA6 #A6427E #A69C42 #42A66A

split-complementary

#424CA6 #A66A42 #7EA642

monochromatic

#1F244E #31387A #424CA6 #646DC1 #9096D3

Accessibility & contrast

On white

7.46

#424CA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#424CA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424CA6

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424CA6	#FFFFFF	#000000	##FFFFFF
##424CA6	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1259A9

Deuteranopia (green-blind)

#0051A4

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424ca6;
/* rgb */ color: rgb(66, 76, 166);
/* oklch */ color: oklch(45.9% 0.144 274.5);

Tailwind

colors: {
  custom: {
    50: '#807dc1',
    500: '#424ca6',
    950: '#000000',
  },
}

SCSS

$custom: #424ca6;
$custom-light: #807dc1;
$custom-dark: #000000;

JSON

{
  "hex": "#424ca6",
  "rgb": {
    "r": 66,
    "g": 76,
    "b": 166
  },
  "hsl": {
    "h": 234,
    "s": 43.103,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45881,
    "c": 0.14356,
    "h": 274.5
  },
  "luminance": 0.0908
}

Semantic roles & 50–950 ramp

primary

#424CA6

secondary

#BEB886

accent

#C655D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #424CA6

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

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