#424A8A#424A8A

#424A8A is a dark, moderate blue. Relative luminance 0.079; OKLCH L 43.5% C 0.105 H 275.8°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#424A8A
RGB	rgb(66, 74, 138)
HSL	hsl(233, 35%, 40%)
HSV	hsv(233, 52%, 54%)
CMYK	cmyk(52.2%, 46.4%, 0%, 45.9%)
CIE-LAB	lab(33.75, 15.80, -36.81)
CIE-LCH	lch(33.75, 40.05, 293.23°)
OKLab	oklab(43.49% 0.0106 -0.1046)
OKLCH	oklch(43.49% 0.105 275.8)
XYZ	xyz(9.2815, 7.8902, 25.0737)
Luminance	0.0789 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A8A #8A8242

analogous

#426E8A #424A8A #5E428A

triadic

#424A8A #8A424A #4A8A42

tetradic

#424A8A #8A426E #8A8242 #428A5E

square

#424A8A #8A426E #8A8242 #428A5E

split-complementary

#424A8A #8A5E42 #6E8A42

monochromatic

#1A1E37 #2E3461 #424A8A #5963B0 #838AC4

Accessibility & contrast

On white

8.15

#424A8A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#424A8A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A8A

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A8A	#FFFFFF	#000000	##FFFFFF
##424A8A	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F528C

Deuteranopia (green-blind)

#284D89

Tritanopia (blue-blind)

#245863

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #424a8a;
/* rgb */ color: rgb(66, 74, 138);
/* oklch */ color: oklch(43.5% 0.105 275.8);

Tailwind

colors: {
  custom: {
    50: '#7b7cac',
    500: '#424a8a',
    950: '#000000',
  },
}

SCSS

$custom: #424a8a;
$custom-light: #7b7cac;
$custom-dark: #000000;

JSON

{
  "hex": "#424a8a",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 138
  },
  "hsl": {
    "h": 233.333,
    "s": 35.294,
    "l": 40
  },
  "oklch": {
    "l": 0.4349,
    "c": 0.10509,
    "h": 275.8
  },
  "luminance": 0.07891
}

Semantic roles & 50–950 ramp

primary

#424A8A

secondary

#AEA879

accent

#BF5CCB

background

#F7F7FA

surface

#EEEEF4

border

#C9C9CE

text

#0A0910

muted

#7C7B7F

Preview Lab

Preview with #424A8A

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

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