#3A70D9#3A70D9

#3A70D9 is a mid, vivid blue. Relative luminance 0.175; OKLCH L 56.5% C 0.171 H 262.0°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#3A70D9
RGB	rgb(58, 112, 217)
HSL	hsl(220, 68%, 54%)
HSV	hsv(220, 73%, 85%)
CMYK	cmyk(73.3%, 48.4%, 0%, 14.9%)
CIE-LAB	lab(48.88, 18.04, -59.05)
CIE-LCH	lch(48.88, 61.75, 286.99°)
OKLab	oklab(56.53% -0.0238 -0.1696)
OKLCH	oklch(56.53% 0.171 262)
XYZ	xyz(20.0590, 17.4954, 67.9520)
Luminance	0.1750 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70D9 #D9A33A

analogous

#3ABFD9 #3A70D9 #543AD9

triadic

#3A70D9 #D93A70 #70D93A

tetradic

#3A70D9 #D93ABF #D9A33A #3AD954

square

#3A70D9 #D93ABF #D9A33A #3AD954

split-complementary

#3A70D9 #D9543A #BFD93A

monochromatic

#193C80 #2354B3 #3A70D9 #6D95E3 #A1BAED

Accessibility & contrast

On white

4.67

#3A70D9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#3A70D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70D9

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70D9	#FFFFFF	#000000	##FFFFFF
##3A70D9	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#347CDD

Deuteranopia (green-blind)

#006DD7

Tritanopia (blue-blind)

#00899A

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3a70d9;
/* rgb */ color: rgb(58, 112, 217);
/* oklch */ color: oklch(56.5% 0.171 262.0);

Tailwind

colors: {
  custom: {
    50: '#8498e5',
    500: '#3a70d9',
    950: '#000000',
  },
}

SCSS

$custom: #3a70d9;
$custom-light: #8498e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70d9",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 217
  },
  "hsl": {
    "h": 219.623,
    "s": 67.66,
    "l": 53.922
  },
  "oklch": {
    "l": 0.56533,
    "c": 0.17126,
    "h": 262
  },
  "luminance": 0.17498
}

Semantic roles & 50–950 ramp

primary

#3A70D9

secondary

#D9C295

accent

#B03DEB

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3A70D9

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

Preview Lab → · Contrast checker → · Palette generator →