#3755AF#3755AF

#3755AF is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.7% C 0.148 H 266.8°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#3755AF
RGB	rgb(55, 85, 175)
HSL	hsl(225, 52%, 45%)
HSV	hsv(225, 69%, 69%)
CMYK	cmyk(68.6%, 51.4%, 0%, 31.4%)
CIE-LAB	lab(38.56, 19.51, -51.40)
CIE-LCH	lch(38.56, 54.98, 290.79°)
OKLab	oklab(47.74% -0.0081 -0.1476)
OKLCH	oklch(47.74% 0.148 266.8)
XYZ	xyz(12.5592, 10.4031, 41.8953)
Luminance	0.1040 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3755AF #AF9137

analogous

#3791AF #3755AF #5537AF

triadic

#3755AF #AF3755 #55AF37

tetradic

#3755AF #AF3791 #AF9137 #37AF55

square

#3755AF #AF3791 #AF9137 #37AF55

split-complementary

#3755AF #AF5537 #91AF37

monochromatic

#1A2852 #283E80 #3755AF #5975CB #879CD9

Accessibility & contrast

On white

6.82

#3755AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#3755AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3755AF

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3755AF	#FFFFFF	#000000	##FFFFFF
##3755AF	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F61B2

Deuteranopia (green-blind)

#0056AD

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3755af;
/* rgb */ color: rgb(55, 85, 175);
/* oklch */ color: oklch(47.7% 0.148 266.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3755af",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 175
  },
  "hsl": {
    "h": 225,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47738,
    "c": 0.14781,
    "h": 266.8
  },
  "luminance": 0.10404
}

Semantic roles & 50–950 ramp

primary

#3755AF

secondary

#C3B27F

accent

#B84CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3755AF

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

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