#3E70DB#3E70DB

#3E70DB is a mid, vivid blue. Relative luminance 0.177; OKLCH L 56.8% C 0.173 H 263.2°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3E70DB
RGB	rgb(62, 112, 219)
HSL	hsl(221, 69%, 55%)
HSV	hsv(221, 72%, 86%)
CMYK	cmyk(71.7%, 48.9%, 0%, 14.1%)
CIE-LAB	lab(49.16, 19.29, -59.73)
CIE-LCH	lch(49.16, 62.76, 287.90°)
OKLab	oklab(56.83% -0.0205 -0.1715)
OKLCH	oklch(56.83% 0.173 263.2)
XYZ	xyz(20.5624, 17.7248, 69.3416)
Luminance	0.1773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E70DB #DBA93E

analogous

#3EBEDB #3E70DB #5B3EDB

triadic

#3E70DB #DB3E70 #70DB3E

tetradic

#3E70DB #DB3EBE #DBA93E #3EDB5B

square

#3E70DB #DB3EBE #DBA93E #3EDB5B

split-complementary

#3E70DB #DB5B3E #BEDB3E

monochromatic

#193C86 #2353B9 #3E70DB #7296E5 #A5BCEE

Accessibility & contrast

On white

4.62

#3E70DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.55

#3E70DB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3E70DB

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E70DB	#FFFFFF	#000000	##FFFFFF
##3E70DB	1.00	4.62	4.55	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.55	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#337CDF

Deuteranopia (green-blind)

#006ED9

Tritanopia (blue-blind)

#00899B

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3e70db;
/* rgb */ color: rgb(62, 112, 219);
/* oklch */ color: oklch(56.8% 0.173 263.2);

Tailwind

colors: {
  custom: {
    50: '#8698e7',
    500: '#3e70db',
    950: '#000000',
  },
}

SCSS

$custom: #3e70db;
$custom-light: #8698e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3e70db",
  "rgb": {
    "r": 62,
    "g": 112,
    "b": 219
  },
  "hsl": {
    "h": 220.892,
    "s": 68.559,
    "l": 55.098
  },
  "oklch": {
    "l": 0.56833,
    "c": 0.17274,
    "h": 263.2
  },
  "luminance": 0.17727
}

Semantic roles & 50–950 ramp

primary

#3E70DB

secondary

#DBC699

accent

#B43CEB

background

#F9F9FE

surface

#F1F2FC

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3E70DB

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

Preview Lab → · Contrast checker → · Palette generator →