#3761CC#3761CC

#3761CC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.4% C 0.173 H 264.9°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3761CC
RGB	rgb(55, 97, 204)
HSL	hsl(223, 59%, 51%)
HSV	hsv(223, 73%, 80%)
CMYK	cmyk(73%, 52.5%, 0%, 20%)
CIE-LAB	lab(43.83, 22.42, -59.79)
CIE-LCH	lch(43.83, 63.86, 290.56°)
OKLab	oklab(52.38% -0.0155 -0.1721)
OKLCH	oklch(52.38% 0.173 264.9)
XYZ	xyz(16.7455, 13.7194, 58.8806)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761CC #CCA237

analogous

#37ACCC #3761CC #5737CC

triadic

#3761CC #CC3761 #61CC37

tetradic

#3761CC #CC37AC #CCA237 #37CC57

square

#3761CC #CC37AC #CCA237 #37CC57

split-complementary

#3761CC #CC5737 #ACCC37

monochromatic

#1C336D #28499E #3761CC #6888D8 #99AEE5

Accessibility & contrast

On white

5.61

#3761CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3761CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761CC

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761CC	#FFFFFF	#000000	##FFFFFF
##3761CC	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#166FD0

Deuteranopia (green-blind)

#0061CA

Tritanopia (blue-blind)

#007B8D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3761cc;
/* rgb */ color: rgb(55, 97, 204);
/* oklch */ color: oklch(52.4% 0.173 264.9);

Tailwind

colors: {
  custom: {
    50: '#818ddc',
    500: '#3761cc',
    950: '#000000',
  },
}

SCSS

$custom: #3761cc;
$custom-light: #818ddc;
$custom-dark: #000000;

JSON

{
  "hex": "#3761cc",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 204
  },
  "hsl": {
    "h": 223.087,
    "s": 59.363,
    "l": 50.784
  },
  "oklch": {
    "l": 0.52375,
    "c": 0.17277,
    "h": 264.9
  },
  "luminance": 0.13721
}

Semantic roles & 50–950 ramp

primary

#3761CC

secondary

#D0BE8E

accent

#B645E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3761CC

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

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