#3A70D0#3A70D0

#3A70D0 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.159 H 260.9°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3A70D0
RGB	rgb(58, 112, 208)
HSL	hsl(218, 61%, 52%)
HSV	hsv(218, 72%, 82%)
CMYK	cmyk(72.1%, 46.2%, 0%, 18.4%)
CIE-LAB	lab(48.31, 14.74, -54.85)
CIE-LCH	lch(48.31, 56.80, 285.05°)
OKLab	oklab(55.92% -0.0251 -0.1572)
OKLCH	oklch(55.92% 0.159 260.9)
XYZ	xyz(18.9202, 17.0399, 61.9542)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70D0 #D09A3A

analogous

#3ABBD0 #3A70D0 #4F3AD0

triadic

#3A70D0 #D03A70 #70D03A

tetradic

#3A70D0 #D03ABB #D09A3A #3AD04F

square

#3A70D0 #D03ABB #D09A3A #3AD04F

split-complementary

#3A70D0 #D04F3A #BBD03A

monochromatic

#1C3B74 #2755A5 #3A70D0 #6B94DC #9DB8E8

Accessibility & contrast

On white

4.76

#3A70D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3A70D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70D0

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70D0	#FFFFFF	#000000	##FFFFFF
##3A70D0	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7AD4

Deuteranopia (green-blind)

#1B6CCE

Tritanopia (blue-blind)

#008796

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3a70d0;
/* rgb */ color: rgb(58, 112, 208);
/* oklch */ color: oklch(55.9% 0.159 260.9);

Tailwind

colors: {
  custom: {
    50: '#8398df',
    500: '#3a70d0',
    950: '#000000',
  },
}

SCSS

$custom: #3a70d0;
$custom-light: #8398df;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70d0",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 208
  },
  "hsl": {
    "h": 218.4,
    "s": 61.475,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55915,
    "c": 0.15922,
    "h": 260.9
  },
  "luminance": 0.17042
}

Semantic roles & 50–950 ramp

primary

#3A70D0

secondary

#D4BC92

accent

#AA43E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3A70D0

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

Preview Lab → · Contrast checker → · Palette generator →