#3D70DF#3D70DF

#3D70DF is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.1% C 0.178 H 263.3°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#3D70DF
RGB	rgb(61, 112, 223)
HSL	hsl(221, 72%, 56%)
HSV	hsv(221, 73%, 87%)
CMYK	cmyk(72.6%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(49.38, 20.61, -61.63)
CIE-LCH	lch(49.38, 64.99, 288.49°)
OKLab	oklab(57.07% -0.0208 -0.1771)
OKLCH	oklch(57.07% 0.178 263.3)
XYZ	xyz(21.0332, 17.9059, 72.1454)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70DF #DFAC3D

analogous

#3DC1DF #3D70DF #5B3DDF

triadic

#3D70DF #DF3D70 #70DF3D

tetradic

#3D70DF #DF3DC1 #DFAC3D #3DDF5B

square

#3D70DF #DF3DC1 #DFAC3D #3DDF5B

split-complementary

#3D70DF #DF5B3D #C1DF3D

monochromatic

#173B8B #2052BF #3D70DF #7297E8 #A6BDF0

Accessibility & contrast

On white

4.58

#3D70DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#3D70DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3D70DF

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70DF	#FFFFFF	#000000	##000000
##3D70DF	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D7DE3

Deuteranopia (green-blind)

#006EDD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3d70df;
/* rgb */ color: rgb(61, 112, 223);
/* oklch */ color: oklch(57.1% 0.178 263.3);

Tailwind

colors: {
  custom: {
    50: '#8798ea',
    500: '#3d70df',
    950: '#000000',
  },
}

SCSS

$custom: #3d70df;
$custom-light: #8798ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70df",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 221.111,
    "s": 71.681,
    "l": 55.686
  },
  "oklch": {
    "l": 0.57074,
    "c": 0.17835,
    "h": 263.3
  },
  "luminance": 0.17908
}

Semantic roles & 50–950 ramp

primary

#3D70DF

secondary

#DEC89A

accent

#B539EE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3D70DF

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

Preview Lab → · Contrast checker → · Palette generator →