#3667BF#3667BF

#3667BF is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.148 H 261.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3667BF
RGB	rgb(54, 103, 191)
HSL	hsl(219, 56%, 48%)
HSV	hsv(219, 72%, 75%)
CMYK	cmyk(71.7%, 46.1%, 0%, 25.1%)
CIE-LAB	lab(44.58, 13.63, -51.07)
CIE-LCH	lch(44.58, 52.86, 284.94°)
OKLab	oklab(52.67% -0.023 -0.1463)
OKLCH	oklch(52.67% 0.148 261.1)
XYZ	xyz(15.7722, 14.2447, 51.1984)
Luminance	0.1425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667BF #BF8E36

analogous

#36ABBF #3667BF #4936BF

triadic

#3667BF #BF3667 #67BF36

tetradic

#3667BF #BF36AB #BF8E36 #36BF49

square

#3667BF #BF36AB #BF8E36 #36BF49

split-complementary

#3667BF #BF4936 #ABBF36

monochromatic

#1B3460 #294D8F #3667BF #6089D2 #90ACE0

Accessibility & contrast

On white

5.46

#3667BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3667BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667BF

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667BF	#FFFFFF	#000000	##FFFFFF
##3667BF	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A70C2

Deuteranopia (green-blind)

#1C64BD

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3667bf;
/* rgb */ color: rgb(54, 103, 191);
/* oklch */ color: oklch(52.7% 0.148 261.1);

Tailwind

colors: {
  custom: {
    50: '#7e91d3',
    500: '#3667bf',
    950: '#000000',
  },
}

SCSS

$custom: #3667bf;
$custom-light: #7e91d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3667bf",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 191
  },
  "hsl": {
    "h": 218.54,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.52666,
    "c": 0.14813,
    "h": 261.1
  },
  "luminance": 0.14246
}

Semantic roles & 50–950 ramp

primary

#3667BF

secondary

#CAB287

accent

#A949DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3667BF

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

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