#424A7D#424A7D

#424A7D is a dark, moderate blue. Relative luminance 0.075; OKLCH L 42.7% C 0.085 H 275.4°. Best body text is #FFFFFF at 8.38:1 contrast (WCAG AA passes).

Color values

HEX	#424A7D
RGB	rgb(66, 74, 125)
HSL	hsl(232, 31%, 37%)
HSV	hsv(232, 47%, 49%)
CMYK	cmyk(47.2%, 40.8%, 0%, 51%)
CIE-LAB	lab(33.00, 11.49, -29.98)
CIE-LCH	lch(33.00, 32.11, 290.96°)
OKLab	oklab(42.67% 0.0081 -0.0846)
OKLCH	oklch(42.67% 0.085 275.4)
XYZ	xyz(8.3961, 7.5360, 20.4103)
Luminance	0.0754 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424A7D #7D7542

analogous

#42687D #424A7D #57427D

triadic

#424A7D #7D424A #4A7D42

tetradic

#424A7D #7D4268 #7D7542 #427D57

square

#424A7D #7D4268 #7D7542 #427D57

split-complementary

#424A7D #7D5742 #687D42

monochromatic

#181B2D #2D3255 #424A7D #5762A5 #7E87BB

Accessibility & contrast

On white

8.38

#424A7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#424A7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424A7D

8.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424A7D	#FFFFFF	#000000	##FFFFFF
##424A7D	1.00	8.38	2.51	8.38
#FFFFFF	8.38	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37507F

Deuteranopia (green-blind)

#324B7C

Tritanopia (blue-blind)

#2D545D

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #424a7d;
/* rgb */ color: rgb(66, 74, 125);
/* oklch */ color: oklch(42.7% 0.085 275.4);

Tailwind

colors: {
  custom: {
    50: '#7a7ca3',
    500: '#424a7d',
    950: '#000000',
  },
}

SCSS

$custom: #424a7d;
$custom-light: #7a7ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#424a7d",
  "rgb": {
    "r": 66,
    "g": 74,
    "b": 125
  },
  "hsl": {
    "h": 231.864,
    "s": 30.89,
    "l": 37.451
  },
  "oklch": {
    "l": 0.42666,
    "c": 0.08497,
    "h": 275.4
  },
  "luminance": 0.07536
}

Semantic roles & 50–950 ramp

primary

#424A7D

secondary

#A69F75

accent

#B961C7

background

#F7F7FA

surface

#EEEEF3

border

#C9C9CD

text

#09090F

muted

#7B7B7F

Preview Lab

Preview with #424A7D

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

Preview Lab → · Contrast checker → · Palette generator →