#3A42B6#3A42B6

#3A42B6 is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.8% C 0.180 H 273.5°. Best body text is #FFFFFF at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#3A42B6
RGB	rgb(58, 66, 182)
HSL	hsl(236, 52%, 47%)
HSV	hsv(236, 68%, 71%)
CMYK	cmyk(68.1%, 63.7%, 0%, 28.6%)
CIE-LAB	lab(34.34, 34.78, -62.39)
CIE-LCH	lch(34.34, 71.43, 299.14°)
OKLab	oklab(44.8% 0.0111 -0.18)
OKLCH	oklch(44.8% 0.18 273.5)
XYZ	xyz(12.1338, 8.1722, 45.1849)
Luminance	0.0817 (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

#3A42B6 #B6AE3A

analogous

#3A80B6 #3A42B6 #703AB6

triadic

#3A42B6 #B63A42 #42B63A

tetradic

#3A42B6 #B63A80 #B6AE3A #3AB670

square

#3A42B6 #B63A80 #B6AE3A #3AB670

split-complementary

#3A42B6 #B6703A #80B63A

monochromatic

#1C2059 #2B3188 #3A42B6 #6168CD #8F94DB

Accessibility & contrast

On white

7.97

#3A42B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.63

#3A42B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42B6

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42B6	#FFFFFF	#000000	##FFFFFF
##3A42B6	1.00	7.97	2.63	7.97
#FFFFFF	7.97	1.00	21.00	1.00
#000000	2.63	21.00	1.00	21.00
##FFFFFF	7.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BA

Deuteranopia (green-blind)

#004BB4

Tritanopia (blue-blind)

#006076

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3a42b6;
/* rgb */ color: rgb(58, 66, 182);
/* oklch */ color: oklch(44.8% 0.180 273.5);

Tailwind

colors: {
  custom: {
    50: '#8076cd',
    500: '#3a42b6',
    950: '#000000',
  },
}

SCSS

$custom: #3a42b6;
$custom-light: #8076cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42b6",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 182
  },
  "hsl": {
    "h": 236.129,
    "s": 51.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44802,
    "c": 0.18037,
    "h": 273.5
  },
  "luminance": 0.08173
}

Semantic roles & 50–950 ramp

primary

#3A42B6

secondary

#C6C286

accent

#D24DDB

background

#F8F7FC

surface

#F0EDF9

border

#CBC8D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #3A42B6

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

Preview Lab → · Contrast checker → · Palette generator →