#3768AE#3768AE

#3768AE is a mid, vivid blue. Relative luminance 0.138; OKLCH L 51.8% C 0.123 H 257.6°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3768AE
RGB	rgb(55, 104, 174)
HSL	hsl(215, 52%, 45%)
HSV	hsv(215, 68%, 68%)
CMYK	cmyk(68.4%, 40.2%, 0%, 31.8%)
CIE-LAB	lab(43.90, 6.90, -42.26)
CIE-LCH	lch(43.90, 42.82, 279.28°)
OKLab	oklab(51.82% -0.0266 -0.1204)
OKLCH	oklch(51.82% 0.123 257.6)
XYZ	xyz(14.1631, 13.7674, 41.9472)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768AE #AE7D37

analogous

#37A4AE #3768AE #4137AE

triadic

#3768AE #AE3768 #68AE37

tetradic

#3768AE #AE37A4 #AE7D37 #37AE41

square

#3768AE #AE37A4 #AE7D37 #37AE41

split-complementary

#3768AE #AE4137 #A4AE37

monochromatic

#1A3051 #284C7F #3768AE #5887CA #86A8D9

Accessibility & contrast

On white

5.59

#3768AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#3768AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768AE

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768AE	#FFFFFF	#000000	##FFFFFF
##3768AE	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486EB1

Deuteranopia (green-blind)

#3663AD

Tritanopia (blue-blind)

#007882

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3768ae;
/* rgb */ color: rgb(55, 104, 174);
/* oklch */ color: oklch(51.8% 0.123 257.6);

Tailwind

colors: {
  custom: {
    50: '#7b92c6',
    500: '#3768ae',
    950: '#000000',
  },
}

SCSS

$custom: #3768ae;
$custom-light: #7b92c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3768ae",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 174
  },
  "hsl": {
    "h": 215.294,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51821,
    "c": 0.12329,
    "h": 257.6
  },
  "luminance": 0.13769
}

Semantic roles & 50–950 ramp

primary

#3768AE

secondary

#C3A67E

accent

#A14CDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #3768AE

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

Preview Lab → · Contrast checker → · Palette generator →