#424F7B#424F7B

#424F7B is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.7% C 0.075 H 270.6°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#424F7B
RGB	rgb(66, 79, 123)
HSL	hsl(226, 30%, 37%)
HSV	hsv(226, 46%, 48%)
CMYK	cmyk(46.3%, 35.8%, 0%, 51.8%)
CIE-LAB	lab(34.35, 7.57, -26.61)
CIE-LCH	lch(34.35, 27.66, 285.88°)
OKLab	oklab(43.68% 0.0007 -0.0747)
OKLCH	oklch(43.68% 0.075 270.6)
XYZ	xyz(8.6168, 8.1798, 19.8599)
Luminance	0.0818 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F7B #7B6E42

analogous

#426C7B #424F7B #52427B

triadic

#424F7B #7B424F #4F7B42

tetradic

#424F7B #7B426C #7B6E42 #427B52

square

#424F7B #7B426C #7B6E42 #427B52

split-complementary

#424F7B #7B5242 #6C7B42

monochromatic

#171C2B #2D3553 #424F7B #5769A3 #7E8BBA

Accessibility & contrast

On white

7.97

#424F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#424F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F7B

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F7B	#FFFFFF	#000000	##FFFFFF
##424F7B	1.00	7.97	2.64	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F537D

Deuteranopia (green-blind)

#3A4F7A

Tritanopia (blue-blind)

#2E585F

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #424f7b;
/* rgb */ color: rgb(66, 79, 123);
/* oklch */ color: oklch(43.7% 0.075 270.6);

Tailwind

colors: {
  custom: {
    50: '#7980a1',
    500: '#424f7b',
    950: '#000000',
  },
}

SCSS

$custom: #424f7b;
$custom-light: #7980a1;
$custom-dark: #000000;

JSON

{
  "hex": "#424f7b",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 123
  },
  "hsl": {
    "h": 226.316,
    "s": 30.159,
    "l": 37.059
  },
  "oklch": {
    "l": 0.43677,
    "c": 0.07474,
    "h": 270.6
  },
  "luminance": 0.0818
}

Semantic roles & 50–950 ramp

primary

#424F7B

secondary

#A59A74

accent

#AF61C6

background

#F7F7F9

surface

#EEEEF2

border

#C9C9CC

text

#090A0F

muted

#7B7C7E

Preview Lab

Preview with #424F7B

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

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