#3759C1#3759C1

#3759C1 is a mid, vivid blue. Relative luminance 0.118; OKLCH L 49.9% C 0.168 H 266.6°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#3759C1
RGB	rgb(55, 89, 193)
HSL	hsl(225, 56%, 49%)
HSV	hsv(225, 72%, 76%)
CMYK	cmyk(71.5%, 53.9%, 0%, 24.3%)
CIE-LAB	lab(40.91, 23.53, -58.16)
CIE-LCH	lch(40.91, 62.74, 292.03°)
OKLab	oklab(49.92% -0.01 -0.1674)
OKLCH	oklch(49.92% 0.168 266.6)
XYZ	xyz(14.7702, 11.8057, 51.9421)
Luminance	0.1181 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3759C1 #C19F37

analogous

#379EC1 #3759C1 #5A37C1

triadic

#3759C1 #C13759 #59C137

tetradic

#3759C1 #C1379E #C19F37 #37C15A

square

#3759C1 #C1379E #C19F37 #37C15A

split-complementary

#3759C1 #C15A37 #9EC137

monochromatic

#1C2D62 #294391 #3759C1 #637ED2 #92A5E0

Accessibility & contrast

On white

6.25

#3759C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#3759C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3759C1

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3759C1	#FFFFFF	#000000	##FFFFFF
##3759C1	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0667C5

Deuteranopia (green-blind)

#005ABF

Tritanopia (blue-blind)

#007284

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #3759c1;
/* rgb */ color: rgb(55, 89, 193);
/* oklch */ color: oklch(49.9% 0.168 266.6);

Tailwind

colors: {
  custom: {
    50: '#7f87d4',
    500: '#3759c1',
    950: '#000000',
  },
}

SCSS

$custom: #3759c1;
$custom-light: #7f87d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3759c1",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 193
  },
  "hsl": {
    "h": 225.217,
    "s": 55.645,
    "l": 48.627
  },
  "oklch": {
    "l": 0.49918,
    "c": 0.1677,
    "h": 266.6
  },
  "luminance": 0.11807
}

Semantic roles & 50–950 ramp

primary

#3759C1

secondary

#CBBB89

accent

#BA49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0B14

muted

#7C7C83

Preview Lab

Preview with #3759C1

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

Preview Lab → · Contrast checker → · Palette generator →