#3752C1#3752C1

#3752C1 is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.5% C 0.176 H 268.6°. Best body text is #FFFFFF at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#3752C1
RGB	rgb(55, 82, 193)
HSL	hsl(228, 56%, 49%)
HSV	hsv(228, 72%, 76%)
CMYK	cmyk(71.5%, 57.5%, 0%, 24.3%)
CIE-LAB	lab(39.06, 28.06, -61.15)
CIE-LCH	lch(39.06, 67.28, 294.65°)
OKLab	oklab(48.53% -0.0044 -0.1763)
OKLCH	oklch(48.53% 0.176 268.6)
XYZ	xyz(14.2152, 10.6956, 51.7570)
Luminance	0.1070 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3752C1 #C1A637

analogous

#3797C1 #3752C1 #6137C1

triadic

#3752C1 #C13752 #52C137

tetradic

#3752C1 #C13797 #C1A637 #37C161

square

#3752C1 #C13797 #C1A637 #37C161

split-complementary

#3752C1 #C16137 #97C137

monochromatic

#1C2A62 #293E91 #3752C1 #6379D2 #92A2E0

Accessibility & contrast

On white

6.69

#3752C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.14

#3752C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3752C1

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3752C1	#FFFFFF	#000000	##FFFFFF
##3752C1	1.00	6.69	3.14	6.69
#FFFFFF	6.69	1.00	21.00	1.00
#000000	3.14	21.00	1.00	21.00
##FFFFFF	6.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C5

Deuteranopia (green-blind)

#0056BF

Tritanopia (blue-blind)

#006D81

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3752c1;
/* rgb */ color: rgb(55, 82, 193);
/* oklch */ color: oklch(48.5% 0.176 268.6);

Tailwind

colors: {
  custom: {
    50: '#8082d5',
    500: '#3752c1',
    950: '#000000',
  },
}

SCSS

$custom: #3752c1;
$custom-light: #8082d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3752c1",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 193
  },
  "hsl": {
    "h": 228.261,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.48533,
    "c": 0.17636,
    "h": 268.6
  },
  "luminance": 0.10697
}

Semantic roles & 50–950 ramp

primary

#3752C1

secondary

#CBBE89

accent

#C249DF

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #3752C1

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

Preview Lab → · Contrast checker → · Palette generator →