#42519F#42519F

#42519F is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.4% C 0.127 H 272.4°. Best body text is #FFFFFF at 7.22:1 contrast (WCAG AA passes).

Color values

HEX	#42519F
RGB	rgb(66, 81, 159)
HSL	hsl(230, 41%, 44%)
HSV	hsv(230, 58%, 62%)
CMYK	cmyk(58.5%, 49.1%, 0%, 37.6%)
CIE-LAB	lab(37.01, 18.40, -44.33)
CIE-LCH	lch(37.01, 47.99, 292.54°)
OKLab	oklab(46.39% 0.0053 -0.1266)
OKLCH	oklch(46.39% 0.127 272.4)
XYZ	xyz(11.4451, 9.5455, 34.0335)
Luminance	0.0955 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42519F #9F9042

analogous

#42809F #42519F #62429F

triadic

#42519F #9F4251 #519F42

tetradic

#42519F #9F4280 #9F9042 #429F62

square

#42519F #9F4280 #9F9042 #429F62

split-complementary

#42519F #9F6242 #809F42

monochromatic

#1E2549 #303B74 #42519F #6170BD #8C97CF

Accessibility & contrast

On white

7.22

#42519F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#42519F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42519F

7.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42519F	#FFFFFF	#000000	##FFFFFF
##42519F	1.00	7.22	2.91	7.22
#FFFFFF	7.22	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B5BA2

Deuteranopia (green-blind)

#1C539D

Tritanopia (blue-blind)

#006370

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42519f;
/* rgb */ color: rgb(66, 81, 159);
/* oklch */ color: oklch(46.4% 0.127 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e81bc',
    500: '#42519f',
    950: '#000000',
  },
}

SCSS

$custom: #42519f;
$custom-light: #7e81bc;
$custom-dark: #000000;

JSON

{
  "hex": "#42519f",
  "rgb": {
    "r": 66,
    "g": 81,
    "b": 159
  },
  "hsl": {
    "h": 230.323,
    "s": 41.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.46393,
    "c": 0.12669,
    "h": 272.4
  },
  "luminance": 0.09546
}

Semantic roles & 50–950 ramp

primary

#42519F

secondary

#BAB182

accent

#BD57D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #42519F

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

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