#3A70C4#3A70C4

#3A70C4 is a mid, vivid blue. Relative luminance 0.165; OKLCH L 55.1% C 0.143 H 259.0°. Best body text is #FFFFFF at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#3A70C4
RGB	rgb(58, 112, 196)
HSL	hsl(217, 54%, 50%)
HSV	hsv(217, 70%, 77%)
CMYK	cmyk(70.4%, 42.9%, 0%, 23.1%)
CIE-LAB	lab(47.59, 10.36, -49.14)
CIE-LCH	lch(47.59, 50.22, 281.91°)
OKLab	oklab(55.13% -0.0273 -0.1404)
OKLCH	oklch(55.13% 0.143 259)
XYZ	xyz(17.4993, 16.4716, 54.4709)
Luminance	0.1647 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70C4 #C48E3A

analogous

#3AB5C4 #3A70C4 #493AC4

triadic

#3A70C4 #C43A70 #70C43A

tetradic

#3A70C4 #C43AB5 #C48E3A #3AC449

square

#3A70C4 #C43AB5 #C48E3A #3AC449

split-complementary

#3A70C4 #C4493A #B5C43A

monochromatic

#1E3A66 #2C5595 #3A70C4 #6992D3 #98B4E0

Accessibility & contrast

On white

4.89

#3A70C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.29

#3A70C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3A70C4

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70C4	#FFFFFF	#000000	##FFFFFF
##3A70C4	1.00	4.89	4.29	4.89
#FFFFFF	4.89	1.00	21.00	1.00
#000000	4.29	21.00	1.00	21.00
##FFFFFF	4.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4878C7

Deuteranopia (green-blind)

#306BC2

Tritanopia (blue-blind)

#008490

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3a70c4;
/* rgb */ color: rgb(58, 112, 196);
/* oklch */ color: oklch(55.1% 0.143 259.0);

Tailwind

colors: {
  custom: {
    50: '#8098d6',
    500: '#3a70c4',
    950: '#000000',
  },
}

SCSS

$custom: #3a70c4;
$custom-light: #8098d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70c4",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 196
  },
  "hsl": {
    "h": 216.522,
    "s": 54.331,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55125,
    "c": 0.14305,
    "h": 259
  },
  "luminance": 0.16473
}

Semantic roles & 50–950 ramp

primary

#3A70C4

secondary

#CCB48E

accent

#A44ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3A70C4

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

Preview Lab → · Contrast checker → · Palette generator →