#3D51D9#3D51D9

#3D51D9 is a mid, highly saturated blue. Relative luminance 0.119; OKLCH L 50.7% C 0.207 H 270.5°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#3D51D9
RGB	rgb(61, 81, 217)
HSL	hsl(232, 67%, 55%)
HSV	hsv(232, 72%, 85%)
CMYK	cmyk(71.9%, 62.7%, 0%, 14.9%)
CIE-LAB	lab(41.03, 38.00, -71.79)
CIE-LCH	lch(41.03, 81.23, 297.90°)
OKLab	oklab(50.67% 0.0019 -0.2074)
OKLCH	oklch(50.67% 0.207 270.5)
XYZ	xyz(17.3870, 11.8849, 67.0099)
Luminance	0.1189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D51D9 #D9C53D

analogous

#3D9FD9 #3D51D9 #773DD9

triadic

#3D51D9 #D93D51 #51D93D

tetradic

#3D51D9 #D93D9F #D9C53D #3DD977

square

#3D51D9 #D93D9F #D9C53D #3DD977

split-complementary

#3D51D9 #D9773D #9FD93D

monochromatic

#192782 #2436B5 #3D51D9 #707FE3 #A3ADED

Accessibility & contrast

On white

6.22

#3D51D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#3D51D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D51D9

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D51D9	#FFFFFF	#000000	##FFFFFF
##3D51D9	1.00	6.22	3.38	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068DD

Deuteranopia (green-blind)

#005AD6

Tritanopia (blue-blind)

#00748D

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #3d51d9;
/* rgb */ color: rgb(61, 81, 217);
/* oklch */ color: oklch(50.7% 0.207 270.5);

Tailwind

colors: {
  custom: {
    50: '#8782e6',
    500: '#3d51d9',
    950: '#000000',
  },
}

SCSS

$custom: #3d51d9;
$custom-light: #8782e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3d51d9",
  "rgb": {
    "r": 61,
    "g": 81,
    "b": 217
  },
  "hsl": {
    "h": 232.308,
    "s": 67.241,
    "l": 54.51
  },
  "oklch": {
    "l": 0.50672,
    "c": 0.20741,
    "h": 270.5
  },
  "luminance": 0.11887
}

Semantic roles & 50–950 ramp

primary

#3D51D9

secondary

#DAD198

accent

#D43EEA

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #3D51D9

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

Preview Lab → · Contrast checker → · Palette generator →