#3B70CF#3B70CF

#3B70CF is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.9% C 0.158 H 261.0°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3B70CF
RGB	rgb(59, 112, 207)
HSL	hsl(219, 61%, 52%)
HSV	hsv(219, 71%, 81%)
CMYK	cmyk(71.5%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.29, 14.52, -54.32)
CIE-LCH	lch(48.29, 56.22, 284.96°)
OKLab	oklab(55.89% -0.0246 -0.1556)
OKLCH	oklch(55.89% 0.158 261)
XYZ	xyz(18.8562, 17.0211, 61.3110)
Luminance	0.1702 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70CF #CF9A3B

analogous

#3BBACF #3B70CF #503BCF

triadic

#3B70CF #CF3B70 #70CF3B

tetradic

#3B70CF #CF3BBA #CF9A3B #3BCF50

square

#3B70CF #CF3BBA #CF9A3B #3BCF50

split-complementary

#3B70CF #CF503B #BACF3B

monochromatic

#1C3B73 #2855A5 #3B70CF #6C94DB #9DB8E7

Accessibility & contrast

On white

4.77

#3B70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3B70CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70CF

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70CF	#FFFFFF	#000000	##FFFFFF
##3B70CF	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7AD3

Deuteranopia (green-blind)

#1E6CCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3b70cf;
/* rgb */ color: rgb(59, 112, 207);
/* oklch */ color: oklch(55.9% 0.158 261.0);

Tailwind

colors: {
  custom: {
    50: '#8398de',
    500: '#3b70cf',
    950: '#000000',
  },
}

SCSS

$custom: #3b70cf;
$custom-light: #8398de;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70cf",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 218.514,
    "s": 60.656,
    "l": 52.157
  },
  "oklch": {
    "l": 0.55888,
    "c": 0.15757,
    "h": 261
  },
  "luminance": 0.17023
}

Semantic roles & 50–950 ramp

primary

#3B70CF

secondary

#D3BC93

accent

#AB44E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70CF

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

Preview Lab → · Contrast checker → · Palette generator →