#3A51CF#3A51CF

#3A51CF is a mid, vivid blue. Relative luminance 0.113; OKLCH L 49.7% C 0.195 H 269.8°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#3A51CF
RGB	rgb(58, 81, 207)
HSL	hsl(231, 61%, 52%)
HSV	hsv(231, 72%, 81%)
CMYK	cmyk(72%, 60.9%, 0%, 18.8%)
CIE-LAB	lab(40.06, 34.12, -67.64)
CIE-LCH	lch(40.06, 75.76, 296.77°)
OKLab	oklab(49.66% -0.0007 -0.1953)
OKLCH	oklch(49.66% 0.195 269.8)
XYZ	xyz(15.9460, 11.2877, 60.3578)
Luminance	0.1129 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A51CF #CFB83A

analogous

#3A9CCF #3A51CF #6E3ACF

triadic

#3A51CF #CF3A51 #51CF3A

tetradic

#3A51CF #CF3A9C #CFB83A #3ACF6E

square

#3A51CF #CF3A9C #CFB83A #3ACF6E

split-complementary

#3A51CF #CF6E3A #9CCF3A

monochromatic

#1C2973 #283BA4 #3A51CF #6B7CDB #9CA8E7

Accessibility & contrast

On white

6.45

#3A51CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#3A51CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A51CF

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A51CF	#FFFFFF	#000000	##FFFFFF
##3A51CF	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D3

Deuteranopia (green-blind)

#0058CD

Tritanopia (blue-blind)

#007188

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3a51cf;
/* rgb */ color: rgb(58, 81, 207);
/* oklch */ color: oklch(49.7% 0.195 269.8);

Tailwind

colors: {
  custom: {
    50: '#8481df',
    500: '#3a51cf',
    950: '#000000',
  },
}

SCSS

$custom: #3a51cf;
$custom-light: #8481df;
$custom-dark: #000000;

JSON

{
  "hex": "#3a51cf",
  "rgb": {
    "r": 58,
    "g": 81,
    "b": 207
  },
  "hsl": {
    "h": 230.738,
    "s": 60.816,
    "l": 51.961
  },
  "oklch": {
    "l": 0.4966,
    "c": 0.1953,
    "h": 269.8
  },
  "luminance": 0.11289
}

Semantic roles & 50–950 ramp

primary

#3A51CF

secondary

#D3C992

accent

#CB44E4

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A51CF

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

Preview Lab → · Contrast checker → · Palette generator →