#3A70E3#3A70E3

#3A70E3 is a mid, vivid blue. Relative luminance 0.180; OKLCH L 57.2% C 0.184 H 263.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3A70E3
RGB	rgb(58, 112, 227)
HSL	hsl(221, 75%, 56%)
HSV	hsv(221, 74%, 89%)
CMYK	cmyk(74.4%, 50.7%, 0%, 11%)
CIE-LAB	lab(49.53, 21.70, -63.65)
CIE-LCH	lch(49.53, 67.25, 288.83°)
OKLab	oklab(57.24% -0.0226 -0.1831)
OKLCH	oklch(57.24% 0.184 263)
XYZ	xyz(21.3993, 18.0315, 75.0108)
Luminance	0.1803 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A70E3 #E3AD3A

analogous

#3AC5E3 #3A70E3 #583AE3

triadic

#3A70E3 #E33A70 #70E33A

tetradic

#3A70E3 #E33AC5 #E3AD3A #3AE358

square

#3A70E3 #E33AC5 #E3AD3A #3AE358

split-complementary

#3A70E3 #E3583A #C5E33A

monochromatic

#143B8E #1C52C4 #3A70E3 #7097EB #A5BEF2

Accessibility & contrast

On white

4.56

#3A70E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#3A70E3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3A70E3

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A70E3	#FFFFFF	#000000	##000000
##3A70E3	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#267EE7

Deuteranopia (green-blind)

#006EE1

Tritanopia (blue-blind)

#008C9F

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3a70e3;
/* rgb */ color: rgb(58, 112, 227);
/* oklch */ color: oklch(57.2% 0.184 263.0);

Tailwind

colors: {
  custom: {
    50: '#8798ec',
    500: '#3a70e3',
    950: '#000000',
  },
}

SCSS

$custom: #3a70e3;
$custom-light: #8798ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3a70e3",
  "rgb": {
    "r": 58,
    "g": 112,
    "b": 227
  },
  "hsl": {
    "h": 220.828,
    "s": 75.111,
    "l": 55.882
  },
  "oklch": {
    "l": 0.57244,
    "c": 0.18449,
    "h": 263
  },
  "luminance": 0.18034
}

Semantic roles & 50–950 ramp

primary

#3A70E3

secondary

#DFC999

accent

#B636F2

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3A70E3

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

Preview Lab → · Contrast checker → · Palette generator →