#3B70D2#3B70D2

#3B70D2 is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.1% C 0.162 H 261.4°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3B70D2
RGB	rgb(59, 112, 210)
HSL	hsl(219, 63%, 53%)
HSV	hsv(219, 72%, 82%)
CMYK	cmyk(71.9%, 46.7%, 0%, 17.6%)
CIE-LAB	lab(48.47, 15.61, -55.73)
CIE-LCH	lch(48.47, 57.87, 285.65°)
OKLab	oklab(56.09% -0.0241 -0.1598)
OKLCH	oklch(56.09% 0.162 261.4)
XYZ	xyz(19.2265, 17.1692, 63.2610)
Luminance	0.1717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70D2 #D29D3B

analogous

#3BBCD2 #3B70D2 #513BD2

triadic

#3B70D2 #D23B70 #70D23B

tetradic

#3B70D2 #D23BBC #D29D3B #3BD251

square

#3B70D2 #D23BBC #D29D3B #3BD251

split-complementary

#3B70D2 #D2513B #BCD23B

monochromatic

#1B3C77 #2755A9 #3B70D2 #6D94DD #9FB9E9

Accessibility & contrast

On white

4.74

#3B70D2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3B70D2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70D2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70D2	#FFFFFF	#000000	##FFFFFF
##3B70D2	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C7BD6

Deuteranopia (green-blind)

#176DD0

Tritanopia (blue-blind)

#008797

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b70d2;
/* rgb */ color: rgb(59, 112, 210);
/* oklch */ color: oklch(56.1% 0.162 261.4);

Tailwind

colors: {
  custom: {
    50: '#8398e0',
    500: '#3b70d2',
    950: '#000000',
  },
}

SCSS

$custom: #3b70d2;
$custom-light: #8398e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70d2",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 210
  },
  "hsl": {
    "h": 218.94,
    "s": 62.656,
    "l": 52.745
  },
  "oklch": {
    "l": 0.56091,
    "c": 0.1616,
    "h": 261.4
  },
  "luminance": 0.17171
}

Semantic roles & 50–950 ramp

primary

#3B70D2

secondary

#D5BE94

accent

#AC42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70D2

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

Preview Lab → · Contrast checker → · Palette generator →