#42519A#42519A

#42519A is a mid, moderate blue. Relative luminance 0.094; OKLCH L 46.1% C 0.119 H 272.2°. Best body text is #FFFFFF at 7.30:1 contrast (WCAG AA passes).

Color values

HEX	#42519A
RGB	rgb(66, 81, 154)
HSL	hsl(230, 40%, 43%)
HSV	hsv(230, 57%, 60%)
CMYK	cmyk(57.1%, 47.4%, 0%, 39.6%)
CIE-LAB	lab(36.70, 16.67, -41.83)
CIE-LCH	lch(36.70, 45.03, 291.72°)
OKLab	oklab(46.05% 0.0046 -0.1192)
OKLCH	oklch(46.05% 0.119 272.2)
XYZ	xyz(11.0200, 9.3754, 31.7945)
Luminance	0.0938 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42519A #9A8B42

analogous

#427D9A #42519A #5F429A

triadic

#42519A #9A4251 #519A42

tetradic

#42519A #9A427D #9A8B42 #429A5F

square

#42519A #9A427D #9A8B42 #429A5F

split-complementary

#42519A #9A5F42 #7D9A42

monochromatic

#1D2444 #303A6F #42519A #5F6EBA #8A95CD

Accessibility & contrast

On white

7.30

#42519A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.88

#42519A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42519A

7.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42519A	#FFFFFF	#000000	##FFFFFF
##42519A	1.00	7.30	2.88	7.30
#FFFFFF	7.30	1.00	21.00	1.00
#000000	2.88	21.00	1.00	21.00
##FFFFFF	7.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5A9D

Deuteranopia (green-blind)

#235398

Tritanopia (blue-blind)

#0E616E

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #42519a;
/* rgb */ color: rgb(66, 81, 154);
/* oklch */ color: oklch(46.1% 0.119 272.2);

Tailwind

colors: {
  custom: {
    50: '#7e81b8',
    500: '#42519a',
    950: '#000000',
  },
}

SCSS

$custom: #42519a;
$custom-light: #7e81b8;
$custom-dark: #000000;

JSON

{
  "hex": "#42519a",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 154
  },
  "hsl": {
    "h": 229.773,
    "s": 40,
    "l": 43.137
  },
  "oklch": {
    "l": 0.4605,
    "c": 0.11933,
    "h": 272.2
  },
  "luminance": 0.09376
}

Semantic roles & 50–950 ramp

primary

#42519A

secondary

#B8AE80

accent

#BB58D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #42519A

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

Preview Lab → · Contrast checker → · Palette generator →