#3A51CD#3A51CD

#3A51CD is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.5% C 0.193 H 269.8°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#3A51CD
RGB	rgb(58, 81, 205)
HSL	hsl(231, 60%, 52%)
HSV	hsv(231, 72%, 80%)
CMYK	cmyk(71.7%, 60.5%, 0%, 19.6%)
CIE-LAB	lab(39.90, 33.41, -66.75)
CIE-LCH	lch(39.90, 74.64, 296.59°)
OKLab	oklab(49.49% -0.0007 -0.1927)
OKLCH	oklch(49.49% 0.193 269.8)
XYZ	xyz(15.7030, 11.1906, 59.0782)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A51CD #CDB63A

analogous

#3A9BCD #3A51CD #6D3ACD

triadic

#3A51CD #CD3A51 #51CD3A

tetradic

#3A51CD #CD3A9B #CDB63A #3ACD6D

square

#3A51CD #CD3A9B #CDB63A #3ACD6D

split-complementary

#3A51CD #CD6D3A #9BCD3A

monochromatic

#1C2A70 #293CA1 #3A51CD #6B7CD9 #9CA7E6

Accessibility & contrast

On white

6.48

#3A51CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3A51CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A51CD

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A51CD	#FFFFFF	#000000	##FFFFFF
##3A51CD	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D1

Deuteranopia (green-blind)

#0057CB

Tritanopia (blue-blind)

#007087

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3a51cd;
/* rgb */ color: rgb(58, 81, 205);
/* oklch */ color: oklch(49.5% 0.193 269.8);

Tailwind

colors: {
  custom: {
    50: '#8481dd',
    500: '#3a51cd',
    950: '#000000',
  },
}

SCSS

$custom: #3a51cd;
$custom-light: #8481dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3a51cd",
  "rgb": {
    "r": 58,
    "g": 81,
    "b": 205
  },
  "hsl": {
    "h": 230.612,
    "s": 59.514,
    "l": 51.569
  },
  "oklch": {
    "l": 0.4949,
    "c": 0.19268,
    "h": 269.8
  },
  "luminance": 0.11192
}

Semantic roles & 50–950 ramp

primary

#3A51CD

secondary

#D2C891

accent

#CA45E3

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #3A51CD

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

Preview Lab → · Contrast checker → · Palette generator →