#3B70BF#3B70BF

#3B70BF is a mid, vivid blue. Relative luminance 0.163; OKLCH L 54.8% C 0.136 H 258.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3B70BF
RGB	rgb(59, 112, 191)
HSL	hsl(216, 53%, 49%)
HSV	hsv(216, 69%, 75%)
CMYK	cmyk(69.1%, 41.4%, 0%, 25.1%)
CIE-LAB	lab(47.34, 8.70, -46.65)
CIE-LCH	lch(47.34, 47.46, 280.56°)
OKLab	oklab(54.85% -0.0276 -0.1331)
OKLCH	oklch(54.85% 0.136 258.3)
XYZ	xyz(16.9984, 16.2780, 51.5262)
Luminance	0.1628 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B70BF #BF8A3B

analogous

#3BB2BF #3B70BF #483BBF

triadic

#3B70BF #BF3B70 #70BF3B

tetradic

#3B70BF #BF3BB2 #BF8A3B #3BBF48

square

#3B70BF #BF3BB2 #BF8A3B #3BBF48

split-complementary

#3B70BF #BF483B #B2BF3B

monochromatic

#1E3961 #2D5590 #3B70BF #6791D0 #96B3DF

Accessibility & contrast

On white

4.93

#3B70BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3B70BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3B70BF

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B70BF	#FFFFFF	#000000	##FFFFFF
##3B70BF	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B77C2

Deuteranopia (green-blind)

#366BBD

Tritanopia (blue-blind)

#00828E

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3b70bf;
/* rgb */ color: rgb(59, 112, 191);
/* oklch */ color: oklch(54.8% 0.136 258.3);

Tailwind

colors: {
  custom: {
    50: '#8098d3',
    500: '#3b70bf',
    950: '#000000',
  },
}

SCSS

$custom: #3b70bf;
$custom-light: #8098d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3b70bf",
  "rgb": {
    "r": 59,
    "g": 112,
    "b": 191
  },
  "hsl": {
    "h": 215.909,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.54848,
    "c": 0.13595,
    "h": 258.3
  },
  "luminance": 0.1628
}

Semantic roles & 50–950 ramp

primary

#3B70BF

secondary

#CAB18C

accent

#A24CDC

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3B70BF

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

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