#42529D#42529D

#42529D is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.5% C 0.122 H 271.8°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#42529D
RGB	rgb(66, 82, 157)
HSL	hsl(229, 41%, 44%)
HSV	hsv(229, 58%, 62%)
CMYK	cmyk(58%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(37.16, 17.05, -42.89)
CIE-LCH	lch(37.16, 46.15, 291.68°)
OKLab	oklab(46.47% 0.0039 -0.1223)
OKLCH	oklch(46.47% 0.122 271.8)
XYZ	xyz(11.3479, 9.6263, 33.1518)
Luminance	0.0963 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42529D #9D8D42

analogous

#427F9D #42529D #5F429D

triadic

#42529D #9D4252 #529D42

tetradic

#42529D #9D427F #9D8D42 #429D5F

square

#42529D #9D427F #9D8D42 #429D5F

split-complementary

#42529D #9D5F42 #7F9D42

monochromatic

#1E2547 #303B72 #42529D #6070BC #8B97CE

Accessibility & contrast

On white

7.18

#42529D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#42529D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42529D

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42529D	#FFFFFF	#000000	##FFFFFF
##42529D	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F5CA0

Deuteranopia (green-blind)

#22549B

Tritanopia (blue-blind)

#056370

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42529d;
/* rgb */ color: rgb(66, 82, 157);
/* oklch */ color: oklch(46.5% 0.122 271.8);

Tailwind

colors: {
  custom: {
    50: '#7e82ba',
    500: '#42529d',
    950: '#000000',
  },
}

SCSS

$custom: #42529d;
$custom-light: #7e82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#42529d",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 229.451,
    "s": 40.807,
    "l": 43.725
  },
  "oklch": {
    "l": 0.46465,
    "c": 0.12239,
    "h": 271.8
  },
  "luminance": 0.09627
}

Semantic roles & 50–950 ramp

primary

#42529D

secondary

#B9AF82

accent

#BB57D1

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #42529D

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

Preview Lab → · Contrast checker → · Palette generator →