#42519E#42519E

#42519E is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.3% C 0.125 H 272.3°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#42519E
RGB	rgb(66, 81, 158)
HSL	hsl(230, 41%, 44%)
HSV	hsv(230, 58%, 62%)
CMYK	cmyk(58.2%, 48.7%, 0%, 38%)
CIE-LAB	lab(36.95, 18.05, -43.83)
CIE-LCH	lch(36.95, 47.40, 292.38°)
OKLab	oklab(46.32% 0.0051 -0.1251)
OKLCH	oklch(46.32% 0.125 272.3)
XYZ	xyz(11.3587, 9.5109, 33.5783)
Luminance	0.0951 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42519E #9E8F42

analogous

#427F9E #42519E #61429E

triadic

#42519E #9E4251 #519E42

tetradic

#42519E #9E427F #9E8F42 #429E61

square

#42519E #9E427F #9E8F42 #429E61

split-complementary

#42519E #9E6142 #7F9E42

monochromatic

#1E2548 #303B73 #42519E #606FBD #8C97CF

Accessibility & contrast

On white

7.24

#42519E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#42519E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42519E

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42519E	#FFFFFF	#000000	##FFFFFF
##42519E	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C5BA1

Deuteranopia (green-blind)

#1E539C

Tritanopia (blue-blind)

#036270

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42519e;
/* rgb */ color: rgb(66, 81, 158);
/* oklch */ color: oklch(46.3% 0.125 272.3);

Tailwind

colors: {
  custom: {
    50: '#7e81bb',
    500: '#42519e',
    950: '#000000',
  },
}

SCSS

$custom: #42519e;
$custom-light: #7e81bb;
$custom-dark: #000000;

JSON

{
  "hex": "#42519e",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 158
  },
  "hsl": {
    "h": 230.217,
    "s": 41.071,
    "l": 43.922
  },
  "oklch": {
    "l": 0.46323,
    "c": 0.12522,
    "h": 272.3
  },
  "luminance": 0.09512
}

Semantic roles & 50–950 ramp

primary

#42519E

secondary

#BAB182

accent

#BD57D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #42519E

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

Preview Lab → · Contrast checker → · Palette generator →