#3A70C7#3A70C7

#3A70C7 is a mid, vivid blue. Relative luminance 0.166; OKLCH L 55.3% C 0.147 H 259.5°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C7
RGB	rgb(58, 112, 199)
HSL	hsl(217, 56%, 50%)
HSV	hsv(217, 71%, 78%)
CMYK	cmyk(70.9%, 43.7%, 0%, 22%)
CIE-LAB	lab(47.76, 11.46, -50.58)
CIE-LCH	lch(47.76, 51.86, 282.76°)
OKLab	oklab(55.32% -0.0267 -0.1447)
OKLCH	oklch(55.32% 0.147 259.5)
XYZ	xyz(17.8442, 16.6095, 56.2873)
Luminance	0.1661 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C7 #C7913A

analogous

#3AB7C7 #3A70C7 #4A3AC7

triadic

#3A70C7 #C73A70 #70C73A

tetradic

#3A70C7 #C73AB7 #C7913A #3AC74A

square

#3A70C7 #C73AB7 #C7913A #3AC74A

split-complementary

#3A70C7 #C74A3A #B7C73A

monochromatic

#1E3B69 #2B5598 #3A70C7 #6A93D5 #99B5E2

Accessibility & contrast

On white

4.86

#3A70C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3A70C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C7

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C7	#FFFFFF	#000000	##FFFFFF
##3A70C7	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4578CA

Deuteranopia (green-blind)

#2C6BC5

Tritanopia (blue-blind)

#008492

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a70c7;
/* rgb */ color: rgb(58, 112, 199);
/* oklch */ color: oklch(55.3% 0.147 259.5);

Tailwind

colors: {
  custom: {
    50: '#8198d8',
    500: '#3a70c7',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c7;
$custom-light: #8198d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c7",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 199
  },
  "hsl": {
    "h": 217.021,
    "s": 55.731,
    "l": 50.392
  },
  "oklch": {
    "l": 0.55319,
    "c": 0.14711,
    "h": 259.5
  },
  "luminance": 0.16611
}

Semantic roles & 50–950 ramp

primary

#3A70C7

secondary

#CEB68F

accent

#A549DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3A70C7

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

Preview Lab → · Contrast checker → · Palette generator →