#3B70D1#3B70D1

#3B70D1 is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.160 H 261.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3B70D1
RGB	rgb(59, 112, 209)
HSL	hsl(219, 62%, 53%)
HSV	hsv(219, 72%, 82%)
CMYK	cmyk(71.8%, 46.4%, 0%, 18%)
CIE-LAB	lab(48.41, 15.25, -55.26)
CIE-LCH	lch(48.41, 57.32, 285.43°)
OKLab	oklab(56.02% -0.0242 -0.1584)
OKLCH	oklch(56.02% 0.16 261.3)
XYZ	xyz(19.1023, 17.1195, 62.6069)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70D1 #D19C3B

analogous

#3BBBD1 #3B70D1 #513BD1

triadic

#3B70D1 #D13B70 #70D13B

tetradic

#3B70D1 #D13BBB #D19C3B #3BD151

square

#3B70D1 #D13BBB #D19C3B #3BD151

split-complementary

#3B70D1 #D1513B #BBD13B

monochromatic

#1C3C76 #2755A7 #3B70D1 #6D94DD #9EB8E8

Accessibility & contrast

On white

4.75

#3B70D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3B70D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70D1

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70D1	#FFFFFF	#000000	##FFFFFF
##3B70D1	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D7AD5

Deuteranopia (green-blind)

#1A6DCF

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b70d1;
/* rgb */ color: rgb(59, 112, 209);
/* oklch */ color: oklch(56.0% 0.160 261.3);

Tailwind

colors: {
  custom: {
    50: '#8398e0',
    500: '#3b70d1',
    950: '#000000',
  },
}

SCSS

$custom: #3b70d1;
$custom-light: #8398e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70d1",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 209
  },
  "hsl": {
    "h": 218.8,
    "s": 61.983,
    "l": 52.549
  },
  "oklch": {
    "l": 0.56023,
    "c": 0.16026,
    "h": 261.3
  },
  "luminance": 0.17122
}

Semantic roles & 50–950 ramp

primary

#3B70D1

secondary

#D4BD93

accent

#AC43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70D1

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

Preview Lab → · Contrast checker → · Palette generator →