#3D70CF#3D70CF

#3D70CF is a mid, vivid blue. Relative luminance 0.171; OKLCH L 56.0% C 0.157 H 261.5°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3D70CF
RGB	rgb(61, 112, 207)
HSL	hsl(219, 60%, 53%)
HSV	hsv(219, 71%, 81%)
CMYK	cmyk(70.5%, 45.9%, 0%, 18.8%)
CIE-LAB	lab(48.36, 14.80, -54.19)
CIE-LCH	lch(48.36, 56.17, 285.28°)
OKLab	oklab(55.97% -0.0231 -0.1552)
OKLCH	oklch(55.97% 0.157 261.5)
XYZ	xyz(18.9771, 17.0834, 61.3167)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3D70CF #CF9C3D

analogous

#3DB9CF #3D70CF #533DCF

triadic

#3D70CF #CF3D70 #70CF3D

tetradic

#3D70CF #CF3DB9 #CF9C3D #3DCF53

square

#3D70CF #CF3DB9 #CF9C3D #3DCF53

split-complementary

#3D70CF #CF533D #B9CF3D

monochromatic

#1D3C75 #2955A6 #3D70CF #6E94DB #9FB8E7

Accessibility & contrast

On white

4.75

#3D70CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3D70CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3D70CF

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3D70CF	#FFFFFF	#000000	##FFFFFF
##3D70CF	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7AD3

Deuteranopia (green-blind)

#206DCD

Tritanopia (blue-blind)

#008695

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3d70cf;
/* rgb */ color: rgb(61, 112, 207);
/* oklch */ color: oklch(56.0% 0.157 261.5);

Tailwind

colors: {
  custom: {
    50: '#8498de',
    500: '#3d70cf',
    950: '#000000',
  },
}

SCSS

$custom: #3d70cf;
$custom-light: #8498de;
$custom-dark: #000000;

JSON

{
  "hex": "#3d70cf",
  "rgb": {
    "r": 61,
    "g": 112,
    "b": 207
  },
  "hsl": {
    "h": 219.041,
    "s": 60.331,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5597,
    "c": 0.15692,
    "h": 261.5
  },
  "luminance": 0.17085
}

Semantic roles & 50–950 ramp

primary

#3D70CF

secondary

#D4BD94

accent

#AC44E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3D70CF

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

Preview Lab → · Contrast checker → · Palette generator →