#3761CA#3761CA

#3761CA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.2% C 0.170 H 264.7°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3761CA
RGB	rgb(55, 97, 202)
HSL	hsl(223, 58%, 50%)
HSV	hsv(223, 73%, 79%)
CMYK	cmyk(72.8%, 52%, 0%, 20.8%)
CIE-LAB	lab(43.69, 21.68, -58.86)
CIE-LCH	lch(43.69, 62.73, 290.22°)
OKLab	oklab(52.23% -0.0157 -0.1693)
OKLCH	oklch(52.23% 0.17 264.7)
XYZ	xyz(16.5072, 13.6241, 57.6254)
Luminance	0.1363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761CA #CAA037

analogous

#37ABCA #3761CA #5637CA

triadic

#3761CA #CA3761 #61CA37

tetradic

#3761CA #CA37AB #CAA037 #37CA56

square

#3761CA #CA37AB #CAA037 #37CA56

split-complementary

#3761CA #CA5637 #ABCA37

monochromatic

#1C336A #294A9B #3761CA #6787D7 #98ADE4

Accessibility & contrast

On white

5.64

#3761CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3761CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761CA

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761CA	#FFFFFF	#000000	##FFFFFF
##3761CA	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B6ECE

Deuteranopia (green-blind)

#0061C8

Tritanopia (blue-blind)

#007A8C

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3761ca;
/* rgb */ color: rgb(55, 97, 202);
/* oklch */ color: oklch(52.2% 0.170 264.7);

Tailwind

colors: {
  custom: {
    50: '#818ddb',
    500: '#3761ca',
    950: '#000000',
  },
}

SCSS

$custom: #3761ca;
$custom-light: #818ddb;
$custom-dark: #000000;

JSON

{
  "hex": "#3761ca",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 202
  },
  "hsl": {
    "h": 222.857,
    "s": 58.103,
    "l": 50.392
  },
  "oklch": {
    "l": 0.52226,
    "c": 0.17007,
    "h": 264.7
  },
  "luminance": 0.13626
}

Semantic roles & 50–950 ramp

primary

#3761CA

secondary

#CFBC8E

accent

#B546E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3761CA

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

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