#42519C#42519C

#42519C is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.2% C 0.122 H 272.3°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#42519C
RGB	rgb(66, 81, 156)
HSL	hsl(230, 41%, 44%)
HSV	hsv(230, 58%, 61%)
CMYK	cmyk(57.7%, 48.1%, 0%, 38.8%)
CIE-LAB	lab(36.82, 17.36, -42.83)
CIE-LCH	lch(36.82, 46.22, 292.06°)
OKLab	oklab(46.19% 0.0049 -0.1222)
OKLCH	oklch(46.19% 0.122 272.3)
XYZ	xyz(11.1880, 9.4426, 32.6791)
Luminance	0.0944 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42519C #9C8D42

analogous

#427E9C #42519C #60429C

triadic

#42519C #9C4251 #519C42

tetradic

#42519C #9C427E #9C8D42 #429C60

square

#42519C #9C427E #9C8D42 #429C60

split-complementary

#42519C #9C6042 #7E9C42

monochromatic

#1E2446 #303B71 #42519C #606FBC #8B96CE

Accessibility & contrast

On white

7.27

#42519C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#42519C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42519C

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42519C	#FFFFFF	#000000	##FFFFFF
##42519C	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5B9F

Deuteranopia (green-blind)

#21539A

Tritanopia (blue-blind)

#09626F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42519c;
/* rgb */ color: rgb(66, 81, 156);
/* oklch */ color: oklch(46.2% 0.122 272.3);

Tailwind

colors: {
  custom: {
    50: '#7e81ba',
    500: '#42519c',
    950: '#000000',
  },
}

SCSS

$custom: #42519c;
$custom-light: #7e81ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42519c",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 156
  },
  "hsl": {
    "h": 230,
    "s": 40.541,
    "l": 43.529
  },
  "oklch": {
    "l": 0.46186,
    "c": 0.12228,
    "h": 272.3
  },
  "luminance": 0.09443
}

Semantic roles & 50–950 ramp

primary

#42519C

secondary

#B9AF81

accent

#BC57D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #42519C

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

Preview Lab → · Contrast checker → · Palette generator →