#3753AF#3753AF

#3753AF is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.3% C 0.150 H 267.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#3753AF
RGB	rgb(55, 83, 175)
HSL	hsl(226, 52%, 45%)
HSV	hsv(226, 69%, 69%)
CMYK	cmyk(68.6%, 52.6%, 0%, 31.4%)
CIE-LAB	lab(38.01, 20.82, -52.29)
CIE-LCH	lch(38.01, 56.28, 291.71°)
OKLab	oklab(47.32% -0.0063 -0.1502)
OKLCH	oklch(47.32% 0.15 267.6)
XYZ	xyz(12.4040, 10.0927, 41.8435)
Luminance	0.1009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3753AF #AF9337

analogous

#378FAF #3753AF #5737AF

triadic

#3753AF #AF3753 #53AF37

tetradic

#3753AF #AF378F #AF9337 #37AF57

square

#3753AF #AF378F #AF9337 #37AF57

split-complementary

#3753AF #AF5737 #8FAF37

monochromatic

#1A2752 #283D80 #3753AF #5973CB #879AD9

Accessibility & contrast

On white

6.96

#3753AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#3753AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3753AF

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3753AF	#FFFFFF	#000000	##FFFFFF
##3753AF	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#185FB2

Deuteranopia (green-blind)

#0054AD

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3753af;
/* rgb */ color: rgb(55, 83, 175);
/* oklch */ color: oklch(47.3% 0.150 267.6);

Tailwind

colors: {
  custom: {
    50: '#7c82c7',
    500: '#3753af',
    950: '#000000',
  },
}

SCSS

$custom: #3753af;
$custom-light: #7c82c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3753af",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 175
  },
  "hsl": {
    "h": 226,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.47322,
    "c": 0.15035,
    "h": 267.6
  },
  "luminance": 0.10094
}

Semantic roles & 50–950 ramp

primary

#3753AF

secondary

#C3B37F

accent

#BA4CDC

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3753AF

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

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