#3A42A3#3A42A3

#3A42A3 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 43.2% C 0.155 H 274.3°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#3A42A3
RGB	rgb(58, 66, 163)
HSL	hsl(235, 48%, 43%)
HSV	hsv(235, 64%, 64%)
CMYK	cmyk(64.4%, 59.5%, 0%, 36.1%)
CIE-LAB	lab(32.79, 28.11, -53.58)
CIE-LCH	lch(32.79, 60.51, 297.68°)
OKLab	oklab(43.17% 0.0117 -0.1542)
OKLCH	oklch(43.17% 0.155 274.3)
XYZ	xyz(10.3018, 7.4394, 35.5363)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42A3 #A39B3A

analogous

#3A76A3 #3A42A3 #673AA3

triadic

#3A42A3 #A33A42 #42A33A

tetradic

#3A42A3 #A33A76 #A39B3A #3AA367

square

#3A42A3 #A33A76 #A39B3A #3AA367

split-complementary

#3A42A3 #A3673A #76A33A

monochromatic

#1A1D49 #2A3076 #3A42A3 #575FC3 #848AD3

Accessibility & contrast

On white

8.44

#3A42A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#3A42A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42A3

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42A3	#FFFFFF	#000000	##FFFFFF
##3A42A3	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A6

Deuteranopia (green-blind)

#0049A1

Tritanopia (blue-blind)

#005A6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #3a42a3;
/* rgb */ color: rgb(58, 66, 163);
/* oklch */ color: oklch(43.2% 0.155 274.3);

Tailwind

colors: {
  custom: {
    50: '#7c76bf',
    500: '#3a42a3',
    950: '#000000',
  },
}

SCSS

$custom: #3a42a3;
$custom-light: #7c76bf;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42a3",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 163
  },
  "hsl": {
    "h": 235.429,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.43174,
    "c": 0.15462,
    "h": 274.3
  },
  "luminance": 0.0744
}

Semantic roles & 50–950 ramp

primary

#3A42A3

secondary

#BDB87C

accent

#CD51D7

background

#F8F7FB

surface

#EFEDF7

border

#CAC8D0

text

#0B0812

muted

#7C7B81

Preview Lab

Preview with #3A42A3

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

Preview Lab → · Contrast checker → · Palette generator →