#3755AE#3755AE

#3755AE is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.146 H 266.8°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#3755AE
RGB	rgb(55, 85, 174)
HSL	hsl(225, 52%, 45%)
HSV	hsv(225, 68%, 68%)
CMYK	cmyk(68.4%, 51.1%, 0%, 31.8%)
CIE-LAB	lab(38.49, 19.15, -50.92)
CIE-LCH	lch(38.49, 54.40, 290.60°)
OKLab	oklab(47.66% -0.0083 -0.1462)
OKLCH	oklch(47.66% 0.146 266.8)
XYZ	xyz(12.4614, 10.3640, 41.3799)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755AE #AE9037

analogous

#3790AE #3755AE #5537AE

triadic

#3755AE #AE3755 #55AE37

tetradic

#3755AE #AE3790 #AE9037 #37AE55

square

#3755AE #AE3790 #AE9037 #37AE55

split-complementary

#3755AE #AE5537 #90AE37

monochromatic

#1A2851 #283E7F #3755AE #5875CA #869BD9

Accessibility & contrast

On white

6.83

#3755AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#3755AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755AE

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755AE	#FFFFFF	#000000	##FFFFFF
##3755AE	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2060B1

Deuteranopia (green-blind)

#0055AC

Tritanopia (blue-blind)

#006A79

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3755ae;
/* rgb */ color: rgb(55, 85, 174);
/* oklch */ color: oklch(47.7% 0.146 266.8);

Tailwind

colors: {
  custom: {
    50: '#7c84c7',
    500: '#3755ae',
    950: '#000000',
  },
}

SCSS

$custom: #3755ae;
$custom-light: #7c84c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3755ae",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 174
  },
  "hsl": {
    "h": 224.874,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.47664,
    "c": 0.1464,
    "h": 266.8
  },
  "luminance": 0.10365
}

Semantic roles & 50–950 ramp

primary

#3755AE

secondary

#C3B17E

accent

#B74CDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3755AE

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

Preview Lab → · Contrast checker → · Palette generator →