#3756AC#3756AC

#3756AC is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.142 H 266.2°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#3756AC
RGB	rgb(55, 86, 172)
HSL	hsl(224, 52%, 45%)
HSV	hsv(224, 68%, 67%)
CMYK	cmyk(68%, 50%, 0%, 32.5%)
CIE-LAB	lab(38.63, 17.75, -49.51)
CIE-LCH	lch(38.63, 52.60, 289.73°)
OKLab	oklab(47.73% -0.0094 -0.142)
OKLCH	oklch(47.73% 0.142 266.2)
XYZ	xyz(12.3471, 10.4452, 40.3871)
Luminance	0.1045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3756AC #AC8D37

analogous

#3790AC #3756AC #5337AC

triadic

#3756AC #AC3756 #56AC37

tetradic

#3756AC #AC3790 #AC8D37 #37AC53

square

#3756AC #AC3790 #AC8D37 #37AC53

split-complementary

#3756AC #AC5337 #90AC37

monochromatic

#19284F #283F7E #3756AC #5775C9 #859BD8

Accessibility & contrast

On white

6.80

#3756AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#3756AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3756AC

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3756AC	#FFFFFF	#000000	##FFFFFF
##3756AC	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2661AF

Deuteranopia (green-blind)

#0056AA

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3756ac;
/* rgb */ color: rgb(55, 86, 172);
/* oklch */ color: oklch(47.7% 0.142 266.2);

Tailwind

colors: {
  custom: {
    50: '#7b85c5',
    500: '#3756ac',
    950: '#000000',
  },
}

SCSS

$custom: #3756ac;
$custom-light: #7b85c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3756ac",
  "rgb": {
    "r": 55,
    "g": 86,
    "b": 172
  },
  "hsl": {
    "h": 224.103,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47728,
    "c": 0.14231,
    "h": 266.2
  },
  "luminance": 0.10446
}

Semantic roles & 50–950 ramp

primary

#3756AC

secondary

#C2B07D

accent

#B54DDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3756AC

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

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