#3A42C0#3A42C0

#3A42C0 is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.7% C 0.193 H 273.1°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A42C0
RGB	rgb(58, 66, 192)
HSL	hsl(236, 54%, 49%)
HSV	hsv(236, 70%, 75%)
CMYK	cmyk(69.8%, 65.6%, 0%, 24.7%)
CIE-LAB	lab(35.20, 38.25, -66.86)
CIE-LCH	lch(35.20, 77.03, 299.78°)
OKLab	oklab(45.7% 0.0103 -0.1931)
OKLCH	oklch(45.7% 0.193 273.1)
XYZ	xyz(13.2044, 8.6005, 50.8231)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A42C0 #C0B83A

analogous

#3A85C0 #3A42C0 #753AC0

triadic

#3A42C0 #C03A42 #42C03A

tetradic

#3A42C0 #C03A85 #C0B83A #3AC075

square

#3A42C0 #C03A85 #C0B83A #3AC075

split-complementary

#3A42C0 #C0753A #85C03A

monochromatic

#1E2262 #2C3291 #3A42C0 #666DD1 #959ADF

Accessibility & contrast

On white

7.72

#3A42C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#3A42C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42C0

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42C0	#FFFFFF	#000000	##FFFFFF
##3A42C0	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C4

Deuteranopia (green-blind)

#004DBE

Tritanopia (blue-blind)

#00637B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #3a42c0;
/* rgb */ color: rgb(58, 66, 192);
/* oklch */ color: oklch(45.7% 0.193 273.1);

Tailwind

colors: {
  custom: {
    50: '#8277d4',
    500: '#3a42c0',
    950: '#000000',
  },
}

SCSS

$custom: #3a42c0;
$custom-light: #8277d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42c0",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 192
  },
  "hsl": {
    "h": 236.418,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.457,
    "c": 0.19341,
    "h": 273.1
  },
  "luminance": 0.08602
}

Semantic roles & 50–950 ramp

primary

#3A42C0

secondary

#CAC78B

accent

#D44BDD

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A42C0

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

Preview Lab → · Contrast checker → · Palette generator →