#3759AE#3759AE

#3759AE is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.5% C 0.141 H 265.1°. Best body text is #FFFFFF at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#3759AE
RGB	rgb(55, 89, 174)
HSL	hsl(223, 52%, 45%)
HSV	hsv(223, 68%, 68%)
CMYK	cmyk(68.4%, 48.9%, 0%, 31.8%)
CIE-LAB	lab(39.60, 16.53, -49.13)
CIE-LCH	lch(39.60, 51.84, 288.60°)
OKLab	oklab(48.51% -0.012 -0.1408)
OKLCH	oklch(48.51% 0.141 265.1)
XYZ	xyz(12.7852, 11.0117, 41.4879)
Luminance	0.1101 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3759AE #AE8C37

analogous

#3795AE #3759AE #5037AE

triadic

#3759AE #AE3759 #59AE37

tetradic

#3759AE #AE3795 #AE8C37 #37AE50

square

#3759AE #AE3795 #AE8C37 #37AE50

split-complementary

#3759AE #AE5037 #95AE37

monochromatic

#1A2951 #28417F #3759AE #5879CA #869ED9

Accessibility & contrast

On white

6.56

#3759AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#3759AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3759AE

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3759AE	#FFFFFF	#000000	##FFFFFF
##3759AE	1.00	6.56	3.20	6.56
#FFFFFF	6.56	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B63B1

Deuteranopia (green-blind)

#0C58AC

Tritanopia (blue-blind)

#006D7B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3759ae;
/* rgb */ color: rgb(55, 89, 174);
/* oklch */ color: oklch(48.5% 0.141 265.1);

Tailwind

colors: {
  custom: {
    50: '#7b87c7',
    500: '#3759ae',
    950: '#000000',
  },
}

SCSS

$custom: #3759ae;
$custom-light: #7b87c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3759ae",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 174
  },
  "hsl": {
    "h": 222.857,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.48511,
    "c": 0.14135,
    "h": 265.1
  },
  "luminance": 0.11013
}

Semantic roles & 50–950 ramp

primary

#3759AE

secondary

#C3AF7E

accent

#B34CDB

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3759AE

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

Preview Lab → · Contrast checker → · Palette generator →