#3761CF#3761CF

#3761CF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.6% C 0.177 H 265.1°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3761CF
RGB	rgb(55, 97, 207)
HSL	hsl(223, 61%, 51%)
HSV	hsv(223, 73%, 81%)
CMYK	cmyk(73.4%, 53.1%, 0%, 18.8%)
CIE-LAB	lab(44.04, 23.53, -61.17)
CIE-LCH	lch(44.04, 65.54, 291.04°)
OKLab	oklab(52.6% -0.0152 -0.1761)
OKLCH	oklch(52.6% 0.177 265.1)
XYZ	xyz(17.1088, 13.8648, 60.7939)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3761CF #CFA537

analogous

#37ADCF #3761CF #5937CF

triadic

#3761CF #CF3761 #61CF37

tetradic

#3761CF #CF37AD #CFA537 #37CF59

square

#3761CF #CF37AD #CFA537 #37CF59

split-complementary

#3761CF #CF5937 #ADCF37

monochromatic

#1B3371 #2749A2 #3761CF #6888DB #9AAFE7

Accessibility & contrast

On white

5.57

#3761CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3761CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3761CF

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3761CF	#FFFFFF	#000000	##FFFFFF
##3761CF	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C6FD3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#007C8E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3761cf;
/* rgb */ color: rgb(55, 97, 207);
/* oklch */ color: oklch(52.6% 0.177 265.1);

Tailwind

colors: {
  custom: {
    50: '#828dde',
    500: '#3761cf',
    950: '#000000',
  },
}

SCSS

$custom: #3761cf;
$custom-light: #828dde;
$custom-dark: #000000;

JSON

{
  "hex": "#3761cf",
  "rgb": {
    "r": 55,
    "g": 97,
    "b": 207
  },
  "hsl": {
    "h": 223.421,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.52602,
    "c": 0.1768,
    "h": 265.1
  },
  "luminance": 0.13867
}

Semantic roles & 50–950 ramp

primary

#3761CF

secondary

#D2C08F

accent

#B843E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3761CF

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

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