#3B70CA#3B70CA

#3B70CA is a mid, vivid blue. Relative luminance 0.168; OKLCH L 55.6% C 0.151 H 260.3°. Best body text is #FFFFFF at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#3B70CA
RGB	rgb(59, 112, 202)
HSL	hsl(218, 57%, 51%)
HSV	hsv(218, 71%, 79%)
CMYK	cmyk(70.8%, 44.6%, 0%, 20.8%)
CIE-LAB	lab(47.98, 12.69, -51.94)
CIE-LCH	lch(47.98, 53.47, 283.73°)
OKLab	oklab(55.56% -0.0254 -0.1487)
OKLCH	oklch(55.56% 0.151 260.3)
XYZ	xyz(18.2546, 16.7805, 58.1426)
Luminance	0.1678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70CA #CA953B

analogous

#3BB8CA #3B70CA #4D3BCA

triadic

#3B70CA #CA3B70 #70CA3B

tetradic

#3B70CA #CA3BB8 #CA953B #3BCA4D

square

#3B70CA #CA3BB8 #CA953B #3BCA4D

split-complementary

#3B70CA #CA4D3B #B8CA3B

monochromatic

#1E3B6D #2B559D #3B70CA #6B93D7 #9BB6E4

Accessibility & contrast

On white

4.82

#3B70CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#3B70CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70CA

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70CA	#FFFFFF	#000000	##FFFFFF
##3B70CA	1.00	4.82	4.36	4.82
#FFFFFF	4.82	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4379CD

Deuteranopia (green-blind)

#286CC8

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3b70ca;
/* rgb */ color: rgb(59, 112, 202);
/* oklch */ color: oklch(55.6% 0.151 260.3);

Tailwind

colors: {
  custom: {
    50: '#8298db',
    500: '#3b70ca',
    950: '#000000',
  },
}

SCSS

$custom: #3b70ca;
$custom-light: #8298db;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70ca",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 202
  },
  "hsl": {
    "h": 217.762,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.55555,
    "c": 0.15082,
    "h": 260.3
  },
  "luminance": 0.16782
}

Semantic roles & 50–950 ramp

primary

#3B70CA

secondary

#D0B991

accent

#A847E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3B70CA

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

Preview Lab → · Contrast checker → · Palette generator →