#3B70CD#3B70CD

#3B70CD is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.155 H 260.7°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3B70CD
RGB	rgb(59, 112, 205)
HSL	hsl(218, 59%, 52%)
HSV	hsv(218, 71%, 80%)
CMYK	cmyk(71.2%, 45.4%, 0%, 19.6%)
CIE-LAB	lab(48.16, 13.79, -53.37)
CIE-LCH	lch(48.16, 55.12, 284.49°)
OKLab	oklab(55.75% -0.0249 -0.1529)
OKLCH	oklch(55.75% 0.155 260.7)
XYZ	xyz(18.6133, 16.9239, 60.0315)
Luminance	0.1693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70CD #CD983B

analogous

#3BB9CD #3B70CD #4F3BCD

triadic

#3B70CD #CD3B70 #70CD3B

tetradic

#3B70CD #CD3BB9 #CD983B #3BCD4F

square

#3B70CD #CD3BB9 #CD983B #3BCD4F

split-complementary

#3B70CD #CD4F3B #B9CD3B

monochromatic

#1D3B71 #2955A2 #3B70CD #6C94D9 #9DB7E6

Accessibility & contrast

On white

4.79

#3B70CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3B70CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70CD

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70CD	#FFFFFF	#000000	##FFFFFF
##3B70CD	1.00	4.79	4.39	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#417AD1

Deuteranopia (green-blind)

#226CCB

Tritanopia (blue-blind)

#008694

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3b70cd;
/* rgb */ color: rgb(59, 112, 205);
/* oklch */ color: oklch(55.8% 0.155 260.7);

Tailwind

colors: {
  custom: {
    50: '#8298dd',
    500: '#3b70cd',
    950: '#000000',
  },
}

SCSS

$custom: #3b70cd;
$custom-light: #8298dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70cd",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 205
  },
  "hsl": {
    "h": 218.219,
    "s": 59.35,
    "l": 51.765
  },
  "oklch": {
    "l": 0.55754,
    "c": 0.15487,
    "h": 260.7
  },
  "luminance": 0.16926
}

Semantic roles & 50–950 ramp

primary

#3B70CD

secondary

#D2BB92

accent

#A945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70CD

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

Preview Lab → · Contrast checker → · Palette generator →