#3756BE#3756BE

#3756BE is a mid, vivid blue. Relative luminance 0.112; OKLCH L 49.1% C 0.167 H 267.3°. Best body text is #FFFFFF at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#3756BE
RGB	rgb(55, 86, 190)
HSL	hsl(226, 55%, 48%)
HSV	hsv(226, 71%, 75%)
CMYK	cmyk(71.1%, 54.7%, 0%, 25.5%)
CIE-LAB	lab(39.89, 24.37, -58.06)
CIE-LCH	lch(39.89, 62.97, 292.77°)
OKLab	oklab(49.08% -0.0077 -0.1671)
OKLCH	oklch(49.08% 0.167 267.3)
XYZ	xyz(14.1944, 11.1841, 50.1159)
Luminance	0.1119 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756BE #BE9F37

analogous

#3799BE #3756BE #5B37BE

triadic

#3756BE #BE3756 #56BE37

tetradic

#3756BE #BE3799 #BE9F37 #37BE5B

square

#3756BE #BE3799 #BE9F37 #37BE5B

split-complementary

#3756BE #BE5B37 #99BE37

monochromatic

#1C2B5F #29418F #3756BE #617BD1 #90A2DF

Accessibility & contrast

On white

6.49

#3756BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#3756BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756BE

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756BE	#FFFFFF	#000000	##FFFFFF
##3756BE	1.00	6.49	3.24	6.49
#FFFFFF	6.49	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C2

Deuteranopia (green-blind)

#0058BC

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #3756be;
/* rgb */ color: rgb(55, 86, 190);
/* oklch */ color: oklch(49.1% 0.167 267.3);

Tailwind

colors: {
  custom: {
    50: '#7f85d2',
    500: '#3756be',
    950: '#000000',
  },
}

SCSS

$custom: #3756be;
$custom-light: #7f85d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3756be",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 190
  },
  "hsl": {
    "h": 226.222,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.49082,
    "c": 0.16733,
    "h": 267.3
  },
  "luminance": 0.11186
}

Semantic roles & 50–950 ramp

primary

#3756BE

secondary

#CABA87

accent

#BC49DE

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3756BE

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

Preview Lab → · Contrast checker → · Palette generator →