#3A42BC#3A42BC

#3A42BC is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.3% C 0.188 H 273.2°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3A42BC
RGB	rgb(58, 66, 188)
HSL	hsl(236, 53%, 48%)
HSV	hsv(236, 69%, 74%)
CMYK	cmyk(69.1%, 64.9%, 0%, 26.3%)
CIE-LAB	lab(34.85, 36.87, -65.08)
CIE-LCH	lch(34.85, 74.80, 299.53°)
OKLab	oklab(45.34% 0.0107 -0.1879)
OKLCH	oklch(45.34% 0.188 273.2)
XYZ	xyz(12.7672, 8.4256, 48.5207)
Luminance	0.0843 (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

#3A42BC #BCB43A

analogous

#3A83BC #3A42BC #733ABC

triadic

#3A42BC #BC3A42 #42BC3A

tetradic

#3A42BC #BC3A83 #BCB43A #3ABC73

square

#3A42BC #BC3A83 #BCB43A #3ABC73

split-complementary

#3A42BC #BC733A #83BC3A

monochromatic

#1D215E #2C328D #3A42BC #646BCF #9397DE

Accessibility & contrast

On white

7.82

#3A42BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3A42BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A42BC

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A42BC	#FFFFFF	#000000	##FFFFFF
##3A42BC	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#006279

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3a42bc;
/* rgb */ color: rgb(58, 66, 188);
/* oklch */ color: oklch(45.3% 0.188 273.2);

Tailwind

colors: {
  custom: {
    50: '#8176d1',
    500: '#3a42bc',
    950: '#000000',
  },
}

SCSS

$custom: #3a42bc;
$custom-light: #8176d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a42bc",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 188
  },
  "hsl": {
    "h": 236.308,
    "s": 52.846,
    "l": 48.235
  },
  "oklch": {
    "l": 0.45337,
    "c": 0.18823,
    "h": 273.2
  },
  "luminance": 0.08427
}

Semantic roles & 50–950 ramp

primary

#3A42BC

secondary

#C9C589

accent

#D34CDC

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3A42BC

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

Preview Lab → · Contrast checker → · Palette generator →