#3B70DE#3B70DE

#3B70DE is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.9% C 0.178 H 262.7°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3B70DE
RGB	rgb(59, 112, 222)
HSL	hsl(220, 71%, 55%)
HSV	hsv(220, 73%, 87%)
CMYK	cmyk(73.4%, 49.5%, 0%, 12.9%)
CIE-LAB	lab(49.24, 19.99, -61.30)
CIE-LCH	lch(49.24, 64.48, 288.06°)
OKLab	oklab(56.92% -0.0224 -0.1762)
OKLCH	oklch(56.92% 0.178 262.7)
XYZ	xyz(20.7779, 17.7898, 71.4318)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70DE #DEA93B

analogous

#3BC1DE #3B70DE #583BDE

triadic

#3B70DE #DE3B70 #70DE3B

tetradic

#3B70DE #DE3BC1 #DEA93B #3BDE58

square

#3B70DE #DE3BC1 #DEA93B #3BDE58

split-complementary

#3B70DE #DE583B #C1DE3B

monochromatic

#173C88 #2053BC #3B70DE #6F96E7 #A4BCF0

Accessibility & contrast

On white

4.61

#3B70DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3B70DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70DE

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70DE	#FFFFFF	#000000	##FFFFFF
##3B70DE	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E7DE2

Deuteranopia (green-blind)

#006EDC

Tritanopia (blue-blind)

#008A9C

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3b70de;
/* rgb */ color: rgb(59, 112, 222);
/* oklch */ color: oklch(56.9% 0.178 262.7);

Tailwind

colors: {
  custom: {
    50: '#8698e9',
    500: '#3b70de',
    950: '#000000',
  },
}

SCSS

$custom: #3b70de;
$custom-light: #8698e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70de",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 222
  },
  "hsl": {
    "h": 220.491,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56924,
    "c": 0.17761,
    "h": 262.7
  },
  "luminance": 0.17792
}

Semantic roles & 50–950 ramp

primary

#3B70DE

secondary

#DDC698

accent

#B33AEE

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3B70DE

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

Preview Lab → · Contrast checker → · Palette generator →