#424F9D#424F9D

#424F9D is a mid, vivid blue. Relative luminance 0.092; OKLCH L 45.8% C 0.126 H 273.3°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#424F9D
RGB	rgb(66, 79, 157)
HSL	hsl(231, 41%, 44%)
HSV	hsv(231, 58%, 62%)
CMYK	cmyk(58%, 49.7%, 0%, 38.4%)
CIE-LAB	lab(36.34, 19.01, -44.22)
CIE-LCH	lch(36.34, 48.13, 293.26°)
OKLab	oklab(45.84% 0.0072 -0.1263)
OKLCH	oklch(45.84% 0.126 273.3)
XYZ	xyz(11.1266, 9.1837, 33.0781)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#424F9D #9D9042

analogous

#427C9D #424F9D #62429D

triadic

#424F9D #9D424F #4F9D42

tetradic

#424F9D #9D427C #9D9042 #429D62

square

#424F9D #9D427C #9D9042 #429D62

split-complementary

#424F9D #9D6242 #7C9D42

monochromatic

#1E2447 #303972 #424F9D #606DBC #8B95CE

Accessibility & contrast

On white

7.40

#424F9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#424F9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #424F9D

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##424F9D	#FFFFFF	#000000	##FFFFFF
##424F9D	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285AA0

Deuteranopia (green-blind)

#1A529B

Tritanopia (blue-blind)

#07616E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #424f9d;
/* rgb */ color: rgb(66, 79, 157);
/* oklch */ color: oklch(45.8% 0.126 273.3);

Tailwind

colors: {
  custom: {
    50: '#7e80ba',
    500: '#424f9d',
    950: '#000000',
  },
}

SCSS

$custom: #424f9d;
$custom-light: #7e80ba;
$custom-dark: #000000;

JSON

{
  "hex": "#424f9d",
  "rgb": {
    "r": 66,
    "g": 79,
    "b": 157
  },
  "hsl": {
    "h": 231.429,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.45837,
    "c": 0.12648,
    "h": 273.3
  },
  "luminance": 0.09185
}

Semantic roles & 50–950 ramp

primary

#424F9D

secondary

#B9B182

accent

#BF57D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #424F9D

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

Preview Lab → · Contrast checker → · Palette generator →