#3C70CF#3C70CF

#3C70CF is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.157 H 261.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3C70CF
RGB	rgb(60, 112, 207)
HSL	hsl(219, 60%, 52%)
HSV	hsv(219, 71%, 81%)
CMYK	cmyk(71%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.33, 14.66, -54.25)
CIE-LCH	lch(48.33, 56.20, 285.12°)
OKLab	oklab(55.93% -0.0238 -0.1554)
OKLCH	oklch(55.93% 0.157 261.3)
XYZ	xyz(18.9161, 17.0520, 61.3138)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3C70CF #CF9B3C

analogous

#3CB9CF #3C70CF #523CCF

triadic

#3C70CF #CF3C70 #70CF3C

tetradic

#3C70CF #CF3CB9 #CF9B3C #3CCF52

square

#3C70CF #CF3CB9 #CF9B3C #3CCF52

split-complementary

#3C70CF #CF523C #B9CF3C

monochromatic

#1D3C74 #2955A5 #3C70CF #6D94DB #9EB8E7

Accessibility & contrast

On white

4.76

#3C70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3C70CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3C70CF

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3C70CF	#FFFFFF	#000000	##FFFFFF
##3C70CF	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)

#3F7AD3

Deuteranopia (green-blind)

#1F6CCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3c70cf;
/* rgb */ color: rgb(60, 112, 207);
/* oklch */ color: oklch(55.9% 0.157 261.3);

Tailwind

colors: {
  custom: {
    50: '#8398de',
    500: '#3c70cf',
    950: '#000000',
  },
}

SCSS

$custom: #3c70cf;
$custom-light: #8398de;
$custom-dark: #000000;

JSON

{
  "hex": "#3c70cf",
  "rgb": {
    "r": 60,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 218.776,
    "s": 60.494,
    "l": 52.353
  },
  "oklch": {
    "l": 0.55929,
    "c": 0.15724,
    "h": 261.3
  },
  "luminance": 0.17054
}

Semantic roles & 50–950 ramp

primary

#3C70CF

secondary

#D3BD93

accent

#AB44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3C70CF

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

Preview Lab → · Contrast checker → · Palette generator →