#3D51C2#3D51C2

#3D51C2 is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.7% C 0.177 H 270.7°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#3D51C2
RGB	rgb(61, 81, 194)
HSL	hsl(231, 52%, 50%)
HSV	hsv(231, 69%, 76%)
CMYK	cmyk(68.6%, 58.2%, 0%, 23.9%)
CIE-LAB	lab(39.19, 29.89, -61.51)
CIE-LCH	lch(39.19, 68.39, 295.92°)
OKLab	oklab(48.74% 0.0022 -0.1772)
OKLCH	oklch(48.74% 0.177 270.7)
XYZ	xyz(14.6012, 10.7706, 52.3379)
Luminance	0.1077 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D51C2 #C2AE3D

analogous

#3D94C2 #3D51C2 #6B3DC2

triadic

#3D51C2 #C23D51 #51C23D

tetradic

#3D51C2 #C23D94 #C2AE3D #3DC26B

square

#3D51C2 #C23D94 #C2AE3D #3DC26B

split-complementary

#3D51C2 #C26B3D #94C23D

monochromatic

#202A65 #2E3E93 #3D51C2 #6C7BD1 #9AA5DF

Accessibility & contrast

On white

6.66

#3D51C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#3D51C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D51C2

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D51C2	#FFFFFF	#000000	##FFFFFF
##3D51C2	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C6

Deuteranopia (green-blind)

#0056C0

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3d51c2;
/* rgb */ color: rgb(61, 81, 194);
/* oklch */ color: oklch(48.7% 0.177 270.7);

Tailwind

colors: {
  custom: {
    50: '#8381d5',
    500: '#3d51c2',
    950: '#000000',
  },
}

SCSS

$custom: #3d51c2;
$custom-light: #8381d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3d51c2",
  "rgb": {
    "r": 61,
    "g": 81,
    "b": 194
  },
  "hsl": {
    "h": 230.977,
    "s": 52.157,
    "l": 50
  },
  "oklch": {
    "l": 0.48736,
    "c": 0.17725,
    "h": 270.7
  },
  "luminance": 0.10772
}

Semantic roles & 50–950 ramp

primary

#3D51C2

secondary

#CBC290

accent

#C64CDC

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3D51C2

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

Preview Lab → · Contrast checker → · Palette generator →