#3E70BF#3E70BF

#3E70BF is a mid, vivid blue. Relative luminance 0.164; OKLCH L 55.0% C 0.135 H 259.2°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3E70BF
RGB	rgb(62, 112, 191)
HSL	hsl(217, 51%, 50%)
HSV	hsv(217, 68%, 75%)
CMYK	cmyk(67.5%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.46, 9.18, -46.45)
CIE-LCH	lch(47.46, 47.35, 281.18°)
OKLab	oklab(54.98% -0.0253 -0.1325)
OKLCH	oklch(54.98% 0.135 259.2)
XYZ	xyz(17.1814, 16.3723, 51.5348)
Luminance	0.1637 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3E70BF #BF8D3E

analogous

#3EB1BF #3E70BF #4C3EBF

triadic

#3E70BF #BF3E70 #70BF3E

tetradic

#3E70BF #BF3EB1 #BF8D3E #3EBF4C

square

#3E70BF #BF3EB1 #BF8D3E #3EBF4C

split-complementary

#3E70BF #BF4C3E #B1BF3E

monochromatic

#203A63 #2F5591 #3E70BF #6B92CF #99B4DE

Accessibility & contrast

On white

4.91

#3E70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#3E70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3E70BF

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3E70BF	#FFFFFF	#000000	##FFFFFF
##3E70BF	1.00	4.91	4.27	4.91
#FFFFFF	4.91	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#376BBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3e70bf;
/* rgb */ color: rgb(62, 112, 191);
/* oklch */ color: oklch(55.0% 0.135 259.2);

Tailwind

colors: {
  custom: {
    50: '#8198d3',
    500: '#3e70bf',
    950: '#000000',
  },
}

SCSS

$custom: #3e70bf;
$custom-light: #8198d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3e70bf",
  "rgb": {
    "r": 62,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 216.744,
    "s": 50.988,
    "l": 49.608
  },
  "oklch": {
    "l": 0.54976,
    "c": 0.13487,
    "h": 259.2
  },
  "luminance": 0.16374
}

Semantic roles & 50–950 ramp

primary

#3E70BF

secondary

#CAB38F

accent

#A44DDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3E70BF

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

Preview Lab → · Contrast checker → · Palette generator →