#3E70CB#3E70CB

#3E70CB is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.7% C 0.151 H 261.3°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3E70CB
RGB	rgb(62, 112, 203)
HSL	hsl(219, 58%, 52%)
HSV	hsv(219, 69%, 80%)
CMYK	cmyk(69.5%, 44.8%, 0%, 20.4%)
CIE-LAB	lab(48.16, 13.50, -52.22)
CIE-LCH	lch(48.16, 53.94, 284.49°)
OKLab	oklab(55.75% -0.023 -0.1494)
OKLCH	oklch(55.75% 0.151 261.3)
XYZ	xyz(18.5564, 16.9224, 58.7767)
Luminance	0.1692 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E70CB #CB993E

analogous

#3EB7CB #3E70CB #523ECB

triadic

#3E70CB #CB3E70 #70CB3E

tetradic

#3E70CB #CB3EB7 #CB993E #3ECB52

square

#3E70CB #CB3EB7 #CB993E #3ECB52

split-complementary

#3E70CB #CB523E #B7CB3E

monochromatic

#1E3B70 #2B55A1 #3E70CB #6E94D8 #9EB7E5

Accessibility & contrast

On white

4.79

#3E70CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3E70CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E70CB

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E70CB	#FFFFFF	#000000	##FFFFFF
##3E70CB	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4379CE

Deuteranopia (green-blind)

#286CC9

Tritanopia (blue-blind)

#008593

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3e70cb;
/* rgb */ color: rgb(62, 112, 203);
/* oklch */ color: oklch(55.7% 0.151 261.3);

Tailwind

colors: {
  custom: {
    50: '#8398db',
    500: '#3e70cb',
    950: '#000000',
  },
}

SCSS

$custom: #3e70cb;
$custom-light: #8398db;
$custom-dark: #000000;

JSON

{
  "hex": "#3e70cb",
  "rgb": {
    "r": 62,
    "g": 112,
    "b": 203
  },
  "hsl": {
    "h": 218.723,
    "s": 57.551,
    "l": 51.961
  },
  "oklch": {
    "l": 0.55747,
    "c": 0.15118,
    "h": 261.3
  },
  "luminance": 0.16924
}

Semantic roles & 50–950 ramp

primary

#3E70CB

secondary

#D1BB94

accent

#AA47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3E70CB

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

Preview Lab → · Contrast checker → · Palette generator →