#3756A2#3756A2

#3756A2 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.0% C 0.128 H 265.1°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3756A2
RGB	rgb(55, 86, 162)
HSL	hsl(223, 49%, 43%)
HSV	hsv(223, 66%, 64%)
CMYK	cmyk(66%, 46.9%, 0%, 36.5%)
CIE-LAB	lab(37.98, 14.08, -44.61)
CIE-LCH	lch(37.98, 46.78, 287.52°)
OKLab	oklab(47.02% -0.0108 -0.1276)
OKLCH	oklch(47.02% 0.128 265.1)
XYZ	xyz(11.4227, 10.0754, 35.5182)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756A2 #A28337

analogous

#378BA2 #3756A2 #4E37A2

triadic

#3756A2 #A23756 #56A237

tetradic

#3756A2 #A2378B #A28337 #37A24E

square

#3756A2 #A2378B #A28337 #37A24E

split-complementary

#3756A2 #A24E37 #8BA237

monochromatic

#182547 #273E74 #3756A2 #5273C4 #8098D4

Accessibility & contrast

On white

6.96

#3756A2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3756A2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756A2

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756A2	#FFFFFF	#000000	##FFFFFF
##3756A2	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305FA5

Deuteranopia (green-blind)

#1C55A0

Tritanopia (blue-blind)

#006774

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3756a2;
/* rgb */ color: rgb(55, 86, 162);
/* oklch */ color: oklch(47.0% 0.128 265.1);

Tailwind

colors: {
  custom: {
    50: '#7985be',
    500: '#3756a2',
    950: '#000000',
  },
}

SCSS

$custom: #3756a2;
$custom-light: #7985be;
$custom-dark: #000000;

JSON

{
  "hex": "#3756a2",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 162
  },
  "hsl": {
    "h": 222.617,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.47021,
    "c": 0.12805,
    "h": 265.1
  },
  "luminance": 0.10076
}

Semantic roles & 50–950 ramp

primary

#3756A2

secondary

#BDA978

accent

#B14FD9

background

#F7F8FB

surface

#EEEFF7

border

#C9CAD0

text

#0A0B12

muted

#7C7C81

Preview Lab

Preview with #3756A2

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

Preview Lab → · Contrast checker → · Palette generator →