#424F7D#424F7D

#424F7D is a dark, moderate blue. Relative luminance 0.082; OKLCH L 43.8% C 0.078 H 270.9°. Best body text is #FFFFFF at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#424F7D
RGB	rgb(66, 79, 125)
HSL	hsl(227, 31%, 37%)
HSV	hsv(227, 47%, 49%)
CMYK	cmyk(47.2%, 36.8%, 0%, 51%)
CIE-LAB	lab(34.46, 8.22, -27.68)
CIE-LCH	lch(34.46, 28.87, 286.53°)
OKLab	oklab(43.79% 0.0013 -0.0779)
OKLCH	oklch(43.79% 0.078 270.9)
XYZ	xyz(8.7433, 8.2304, 20.5260)
Luminance	0.0823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F7D #7D7042

analogous

#426C7D #424F7D #53427D

triadic

#424F7D #7D424F #4F7D42

tetradic

#424F7D #7D426C #7D7042 #427D53

square

#424F7D #7D426C #7D7042 #427D53

split-complementary

#424F7D #7D5342 #6C7D42

monochromatic

#181C2D #2D3655 #424F7D #5768A5 #7E8CBB

Accessibility & contrast

On white

7.94

#424F7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#424F7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F7D

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F7D	#FFFFFF	#000000	##FFFFFF
##424F7D	1.00	7.94	2.65	7.94
#FFFFFF	7.94	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E547F

Deuteranopia (green-blind)

#394F7C

Tritanopia (blue-blind)

#2D5960

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #424f7d;
/* rgb */ color: rgb(66, 79, 125);
/* oklch */ color: oklch(43.8% 0.078 270.9);

Tailwind

colors: {
  custom: {
    50: '#7a80a3',
    500: '#424f7d',
    950: '#000000',
  },
}

SCSS

$custom: #424f7d;
$custom-light: #7a80a3;
$custom-dark: #000000;

JSON

{
  "hex": "#424f7d",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 125
  },
  "hsl": {
    "h": 226.78,
    "s": 30.89,
    "l": 37.451
  },
  "oklch": {
    "l": 0.43791,
    "c": 0.07787,
    "h": 270.9
  },
  "luminance": 0.08231
}

Semantic roles & 50–950 ramp

primary

#424F7D

secondary

#A69B75

accent

#B161C7

background

#F7F7FA

surface

#EEEEF3

border

#C9C9CD

text

#090A0F

muted

#7B7C7F

Preview Lab

Preview with #424F7D

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

Preview Lab → · Contrast checker → · Palette generator →