#3753AC#3753AC

#3753AC is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.1% C 0.146 H 267.4°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#3753AC
RGB	rgb(55, 83, 172)
HSL	hsl(226, 52%, 45%)
HSV	hsv(226, 68%, 67%)
CMYK	cmyk(68%, 51.7%, 0%, 32.5%)
CIE-LAB	lab(37.80, 19.72, -50.85)
CIE-LCH	lch(37.80, 54.54, 291.20°)
OKLab	oklab(47.1% -0.0066 -0.146)
OKLCH	oklch(47.1% 0.146 267.4)
XYZ	xyz(12.1126, 9.9761, 40.3090)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3753AC #AC9037

analogous

#378EAC #3753AC #5637AC

triadic

#3753AC #AC3753 #53AC37

tetradic

#3753AC #AC378E #AC9037 #37AC56

square

#3753AC #AC378E #AC9037 #37AC56

split-complementary

#3753AC #AC5637 #8EAC37

monochromatic

#19264F #283D7E #3753AC #5772C9 #8599D8

Accessibility & contrast

On white

7.01

#3753AC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#3753AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3753AC

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3753AC	#FFFFFF	#000000	##FFFFFF
##3753AC	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5FAF

Deuteranopia (green-blind)

#0054AA

Tritanopia (blue-blind)

#006877

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #3753ac;
/* rgb */ color: rgb(55, 83, 172);
/* oklch */ color: oklch(47.1% 0.146 267.4);

Tailwind

colors: {
  custom: {
    50: '#7b82c5',
    500: '#3753ac',
    950: '#000000',
  },
}

SCSS

$custom: #3753ac;
$custom-light: #7b82c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3753ac",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 172
  },
  "hsl": {
    "h": 225.641,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47098,
    "c": 0.14614,
    "h": 267.4
  },
  "luminance": 0.09977
}

Semantic roles & 50–950 ramp

primary

#3753AC

secondary

#C2B17D

accent

#B94DDB

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #3753AC

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

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