#3C70E7#3C70E7

#3C70E7 is a mid, vivid blue. Relative luminance 0.183; OKLCH L 57.6% C 0.189 H 263.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#3C70E7
RGB	rgb(60, 112, 231)
HSL	hsl(222, 78%, 57%)
HSV	hsv(222, 74%, 91%)
CMYK	cmyk(74%, 51.5%, 0%, 9.4%)
CIE-LAB	lab(49.88, 23.40, -65.34)
CIE-LCH	lch(49.88, 69.40, 289.70°)
OKLab	oklab(57.61% -0.0207 -0.1881)
OKLCH	oklch(57.61% 0.189 263.7)
XYZ	xyz(22.0763, 18.3161, 77.9577)
Luminance	0.1832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C70E7 #E7B33C

analogous

#3CC6E7 #3C70E7 #5D3CE7

triadic

#3C70E7 #E73C70 #70E73C

tetradic

#3C70E7 #E73CC6 #E7B33C #3CE75D

square

#3C70E7 #E73CC6 #E7B33C #3CE75D

split-complementary

#3C70E7 #E75D3C #C6E73C

monochromatic

#123B96 #1950CD #3C70E7 #7298EE #A9C0F4

Accessibility & contrast

On white

4.50

#3C70E7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#3C70E7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3C70E7

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C70E7	#FFFFFF	#000000	##000000
##3C70E7	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F7FEB

Deuteranopia (green-blind)

#006FE5

Tritanopia (blue-blind)

#008DA1

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #3c70e7;
/* rgb */ color: rgb(60, 112, 231);
/* oklch */ color: oklch(57.6% 0.189 263.7);

Tailwind

colors: {
  custom: {
    50: '#8898ef',
    500: '#3c70e7',
    950: '#000000',
  },
}

SCSS

$custom: #3c70e7;
$custom-light: #8898ef;
$custom-dark: #000000;

JSON

{
  "hex": "#3c70e7",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 231
  },
  "hsl": {
    "h": 221.754,
    "s": 78.082,
    "l": 57.059
  },
  "oklch": {
    "l": 0.57611,
    "c": 0.18919,
    "h": 263.7
  },
  "luminance": 0.18319
}

Semantic roles & 50–950 ramp

primary

#3C70E7

secondary

#E2CD9D

accent

#BA33F5

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D17

muted

#7E7E85

Preview Lab

Preview with #3C70E7

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

Preview Lab → · Contrast checker → · Palette generator →