#3C428F#3C428F

#3C428F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.7% C 0.126 H 276.2°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#3C428F
RGB	rgb(60, 66, 143)
HSL	hsl(236, 41%, 40%)
HSV	hsv(236, 58%, 56%)
CMYK	cmyk(58%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(31.44, 21.44, -43.61)
CIE-LCH	lch(31.44, 48.60, 296.18°)
OKLab	oklab(41.73% 0.0135 -0.1248)
OKLCH	oklch(41.73% 0.126 276.2)
XYZ	xyz(8.7680, 6.8396, 26.8394)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C428F #8F893C

analogous

#3C6B8F #3C428F #603C8F

triadic

#3C428F #8F3C42 #428F3C

tetradic

#3C428F #8F3C6B #8F893C #3C8F60

square

#3C428F #8F3C6B #8F893C #3C8F60

split-complementary

#3C428F #8F603C #6B8F3C

monochromatic

#181A39 #2A2E64 #3C428F #5259B6 #7D82C8

Accessibility & contrast

On white

8.87

#3C428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#3C428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3C428F

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C428F	#FFFFFF	#000000	##FFFFFF
##3C428F	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164E92

Deuteranopia (green-blind)

#03478D

Tritanopia (blue-blind)

#0B5462

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #3c428f;
/* rgb */ color: rgb(60, 66, 143);
/* oklch */ color: oklch(41.7% 0.126 276.2);

Tailwind

colors: {
  custom: {
    50: '#7976b0',
    500: '#3c428f',
    950: '#000000',
  },
}

SCSS

$custom: #3c428f;
$custom-light: #7976b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3c428f",
  "rgb": {
    "r": 60,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 235.663,
    "s": 40.887,
    "l": 39.804
  },
  "oklch": {
    "l": 0.41733,
    "c": 0.1255,
    "h": 276.2
  },
  "luminance": 0.0684
}

Semantic roles & 50–950 ramp

primary

#3C428F

secondary

#B2AE75

accent

#C857D1

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #3C428F

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

Preview Lab → · Contrast checker → · Palette generator →