#424E7A#424E7A

#424E7A is a dark, moderate blue. Relative luminance 0.080; OKLCH L 43.4% C 0.075 H 271.4°. Best body text is #FFFFFF at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#424E7A
RGB	rgb(66, 78, 122)
HSL	hsl(227, 30%, 37%)
HSV	hsv(227, 46%, 48%)
CMYK	cmyk(45.9%, 36.1%, 0%, 52.2%)
CIE-LAB	lab(34.01, 7.90, -26.53)
CIE-LCH	lch(34.01, 27.68, 286.58°)
OKLab	oklab(43.39% 0.0018 -0.0745)
OKLCH	oklch(43.39% 0.075 271.4)
XYZ	xyz(8.4829, 8.0117, 19.5080)
Luminance	0.0801 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424E7A #7A6E42

analogous

#426A7A #424E7A #52427A

triadic

#424E7A #7A424E #4E7A42

tetradic

#424E7A #7A426A #7A6E42 #427A52

square

#424E7A #7A426A #7A6E42 #427A52

split-complementary

#424E7A #7A5242 #6A7A42

monochromatic

#171B2B #2D3552 #424E7A #5767A2 #7D8AB9

Accessibility & contrast

On white

8.07

#424E7A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.60

#424E7A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424E7A

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424E7A	#FFFFFF	#000000	##FFFFFF
##424E7A	1.00	8.07	2.60	8.07
#FFFFFF	8.07	1.00	21.00	1.00
#000000	2.60	21.00	1.00	21.00
##FFFFFF	8.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E537C

Deuteranopia (green-blind)

#394E79

Tritanopia (blue-blind)

#2E575E

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #424e7a;
/* rgb */ color: rgb(66, 78, 122);
/* oklch */ color: oklch(43.4% 0.075 271.4);

Tailwind

colors: {
  custom: {
    50: '#797fa0',
    500: '#424e7a',
    950: '#000000',
  },
}

SCSS

$custom: #424e7a;
$custom-light: #797fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#424e7a",
  "rgb": {
    "r": 66,
    "g": 78,
    "b": 122
  },
  "hsl": {
    "h": 227.143,
    "s": 29.787,
    "l": 36.863
  },
  "oklch": {
    "l": 0.43392,
    "c": 0.07455,
    "h": 271.4
  },
  "luminance": 0.08012
}

Semantic roles & 50–950 ramp

primary

#424E7A

secondary

#A49A74

accent

#B162C6

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #424E7A

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

Preview Lab → · Contrast checker → · Palette generator →