#3A3C8F#3A3C8F

#3A3C8F is a dark, vivid blue. Relative luminance 0.061; OKLCH L 40.4% C 0.134 H 277.5°. Best body text is #FFFFFF at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A3C8F
RGB	rgb(58, 60, 143)
HSL	hsl(239, 42%, 39%)
HSV	hsv(239, 59%, 56%)
CMYK	cmyk(59.4%, 58%, 0%, 43.9%)
CIE-LAB	lab(29.70, 25.01, -46.43)
CIE-LCH	lch(29.70, 52.74, 298.31°)
OKLab	oklab(40.39% 0.0175 -0.1332)
OKLCH	oklch(40.39% 0.134 277.5)
XYZ	xyz(8.3171, 6.1138, 26.7231)
Luminance	0.0611 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A3C8F #8F8D3A

analogous

#3A678F #3A3C8F #633A8F

triadic

#3A3C8F #8F3A3C #3C8F3A

tetradic

#3A3C8F #8F3A67 #8F8D3A #3A8F63

square

#3A3C8F #8F3A67 #8F8D3A #3A8F63

split-complementary

#3A3C8F #8F633A #678F3A

monochromatic

#171738 #282A63 #3A3C8F #4F51B7 #7A7CC9

Accessibility & contrast

On white

9.45

#3A3C8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.22

#3A3C8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A3C8F

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A3C8F	#FFFFFF	#000000	##FFFFFF
##3A3C8F	1.00	9.45	2.22	9.45
#FFFFFF	9.45	1.00	21.00	1.00
#000000	2.22	21.00	1.00	21.00
##FFFFFF	9.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004A92

Deuteranopia (green-blind)

#00428D

Tritanopia (blue-blind)

#02505F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #3a3c8f;
/* rgb */ color: rgb(58, 60, 143);
/* oklch */ color: oklch(40.4% 0.134 277.5);

Tailwind

colors: {
  custom: {
    50: '#7971b0',
    500: '#3a3c8f',
    950: '#000000',
  },
}

SCSS

$custom: #3a3c8f;
$custom-light: #7971b0;
$custom-dark: #000000;

JSON

{
  "hex": "#3a3c8f",
  "rgb": {
    "r": 58,
    "g": 60,
    "b": 143
  },
  "hsl": {
    "h": 238.588,
    "s": 42.289,
    "l": 39.412
  },
  "oklch": {
    "l": 0.40394,
    "c": 0.13434,
    "h": 277.5
  },
  "luminance": 0.06114
}

Semantic roles & 50–950 ramp

primary

#3A3C8F

secondary

#B3B172

accent

#CF56D2

background

#F7F6FA

surface

#EEECF5

border

#C9C7CF

text

#0A0711

muted

#7C7A80

Preview Lab

Preview with #3A3C8F

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

Preview Lab → · Contrast checker → · Palette generator →