#3756C3#3756C3

#3756C3 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.5% C 0.174 H 267.5°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#3756C3
RGB	rgb(55, 86, 195)
HSL	hsl(227, 56%, 49%)
HSV	hsv(227, 72%, 76%)
CMYK	cmyk(71.8%, 55.9%, 0%, 23.5%)
CIE-LAB	lab(40.26, 26.21, -60.38)
CIE-LCH	lch(40.26, 65.82, 293.46°)
OKLab	oklab(49.48% -0.0074 -0.174)
OKLCH	oklch(49.48% 0.174 267.5)
XYZ	xyz(14.7502, 11.4064, 53.0435)
Luminance	0.1141 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756C3 #C3A437

analogous

#379CC3 #3756C3 #5E37C3

triadic

#3756C3 #C33756 #56C337

tetradic

#3756C3 #C3379C #C3A437 #37C35E

square

#3756C3 #C3379C #C3A437 #37C35E

split-complementary

#3756C3 #C35E37 #9CC337

monochromatic

#1C2C64 #2A4193 #3756C3 #647DD3 #94A5E1

Accessibility & contrast

On white

6.40

#3756C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#3756C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756C3

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756C3	#FFFFFF	#000000	##FFFFFF
##3756C3	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066C7

Deuteranopia (green-blind)

#0059C1

Tritanopia (blue-blind)

#007184

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #3756c3;
/* rgb */ color: rgb(55, 86, 195);
/* oklch */ color: oklch(49.5% 0.174 267.5);

Tailwind

colors: {
  custom: {
    50: '#8085d6',
    500: '#3756c3',
    950: '#000000',
  },
}

SCSS

$custom: #3756c3;
$custom-light: #8085d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3756c3",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 195
  },
  "hsl": {
    "h": 226.714,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.49475,
    "c": 0.17412,
    "h": 267.5
  },
  "luminance": 0.11408
}

Semantic roles & 50–950 ramp

primary

#3756C3

secondary

#CCBD8A

accent

#BE49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0C0B14

muted

#7D7C83

Preview Lab

Preview with #3756C3

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

Preview Lab → · Contrast checker → · Palette generator →