#3A51D2#3A51D2

#3A51D2 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.9% C 0.199 H 269.8°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#3A51D2
RGB	rgb(58, 81, 210)
HSL	hsl(231, 63%, 53%)
HSV	hsv(231, 72%, 82%)
CMYK	cmyk(72.4%, 61.4%, 0%, 17.6%)
CIE-LAB	lab(40.30, 35.19, -68.97)
CIE-LCH	lch(40.30, 77.43, 297.03°)
OKLab	oklab(49.92% -0.0008 -0.1992)
OKLCH	oklch(49.92% 0.199 269.8)
XYZ	xyz(16.3162, 11.4358, 62.3077)
Luminance	0.1144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A51D2 #D2BB3A

analogous

#3A9DD2 #3A51D2 #6F3AD2

triadic

#3A51D2 #D23A51 #51D23A

tetradic

#3A51D2 #D23A9D #D2BB3A #3AD26F

square

#3A51D2 #D23A9D #D2BB3A #3AD26F

split-complementary

#3A51D2 #D26F3A #9DD23A

monochromatic

#1B2977 #263AA8 #3A51D2 #6C7DDD #9EA9E9

Accessibility & contrast

On white

6.39

#3A51D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#3A51D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A51D2

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A51D2	#FFFFFF	#000000	##FFFFFF
##3A51D2	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D6

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#00728A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3a51d2;
/* rgb */ color: rgb(58, 81, 210);
/* oklch */ color: oklch(49.9% 0.199 269.8);

Tailwind

colors: {
  custom: {
    50: '#8581e1',
    500: '#3a51d2',
    950: '#000000',
  },
}

SCSS

$custom: #3a51d2;
$custom-light: #8581e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3a51d2",
  "rgb": {
    "r": 58,
    "g": 81,
    "b": 210
  },
  "hsl": {
    "h": 230.921,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49916,
    "c": 0.1992,
    "h": 269.8
  },
  "luminance": 0.11438
}

Semantic roles & 50–950 ramp

primary

#3A51D2

secondary

#D5CB93

accent

#CD42E6

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #3A51D2

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

Preview Lab → · Contrast checker → · Palette generator →