#3D70D1#3D70D1

#3D70D1 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.160 H 261.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#3D70D1
RGB	rgb(61, 112, 209)
HSL	hsl(219, 62%, 53%)
HSV	hsv(219, 71%, 82%)
CMYK	cmyk(70.8%, 46.4%, 0%, 18%)
CIE-LAB	lab(48.49, 15.53, -55.13)
CIE-LCH	lch(48.49, 57.27, 285.73°)
OKLab	oklab(56.1% -0.0227 -0.158)
OKLCH	oklch(56.1% 0.16 261.8)
XYZ	xyz(19.2232, 17.1819, 62.6126)
Luminance	0.1718 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70D1 #D19E3D

analogous

#3DBAD1 #3D70D1 #543DD1

triadic

#3D70D1 #D13D70 #70D13D

tetradic

#3D70D1 #D13DBA #D19E3D #3DD154

square

#3D70D1 #D13DBA #D19E3D #3DD154

split-complementary

#3D70D1 #D1543D #BAD13D

monochromatic

#1C3C77 #2854A9 #3D70D1 #6E94DD #A0B9E8

Accessibility & contrast

On white

4.73

#3D70D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#3D70D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70D1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70D1	#FFFFFF	#000000	##FFFFFF
##3D70D1	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7AD5

Deuteranopia (green-blind)

#1B6DCF

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3d70d1;
/* rgb */ color: rgb(61, 112, 209);
/* oklch */ color: oklch(56.1% 0.160 261.8);

Tailwind

colors: {
  custom: {
    50: '#8498e0',
    500: '#3d70d1',
    950: '#000000',
  },
}

SCSS

$custom: #3d70d1;
$custom-light: #8498e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70d1",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 209
  },
  "hsl": {
    "h": 219.324,
    "s": 61.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.56104,
    "c": 0.15962,
    "h": 261.8
  },
  "luminance": 0.17184
}

Semantic roles & 50–950 ramp

primary

#3D70D1

secondary

#D5BF95

accent

#AD43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3D70D1

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

Preview Lab → · Contrast checker → · Palette generator →