#42529B#42529B

#42529B is a mid, moderate blue. Relative luminance 0.096; OKLCH L 46.3% C 0.119 H 271.7°. Best body text is #FFFFFF at 7.21:1 contrast (WCAG AA passes).

Color values

HEX	#42529B
RGB	rgb(66, 82, 155)
HSL	hsl(229, 40%, 43%)
HSV	hsv(229, 57%, 61%)
CMYK	cmyk(57.4%, 47.1%, 0%, 39.2%)
CIE-LAB	lab(37.04, 16.36, -41.89)
CIE-LCH	lch(37.04, 44.97, 291.33°)
OKLab	oklab(46.33% 0.0036 -0.1194)
OKLCH	oklch(46.33% 0.119 271.7)
XYZ	xyz(11.1785, 9.5586, 32.2599)
Luminance	0.0956 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42529B #9B8B42

analogous

#427E9B #42529B #5E429B

triadic

#42529B #9B4252 #529B42

tetradic

#42529B #9B427E #9B8B42 #429B5E

square

#42529B #9B427E #9B8B42 #429B5E

split-complementary

#42529B #9B5E42 #7E9B42

monochromatic

#1D2545 #303B70 #42529B #5F70BB #8A96CD

Accessibility & contrast

On white

7.21

#42529B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#42529B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #42529B

7.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42529B	#FFFFFF	#000000	##FFFFFF
##42529B	1.00	7.21	2.91	7.21
#FFFFFF	7.21	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305B9E

Deuteranopia (green-blind)

#245399

Tritanopia (blue-blind)

#0B626F

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #42529b;
/* rgb */ color: rgb(66, 82, 155);
/* oklch */ color: oklch(46.3% 0.119 271.7);

Tailwind

colors: {
  custom: {
    50: '#7e82b9',
    500: '#42529b',
    950: '#000000',
  },
}

SCSS

$custom: #42529b;
$custom-light: #7e82b9;
$custom-dark: #000000;

JSON

{
  "hex": "#42529b",
  "rgb": {
    "r": 66,
    "g": 82,
    "b": 155
  },
  "hsl": {
    "h": 229.213,
    "s": 40.271,
    "l": 43.333
  },
  "oklch": {
    "l": 0.46329,
    "c": 0.11944,
    "h": 271.7
  },
  "luminance": 0.09559
}

Semantic roles & 50–950 ramp

primary

#42529B

secondary

#B8AE81

accent

#BA58D0

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A11

muted

#7C7C80

Preview Lab

Preview with #42529B

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

Preview Lab → · Contrast checker → · Palette generator →