#3667BA#3667BA

#3667BA is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.141 H 260.3°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#3667BA
RGB	rgb(54, 103, 186)
HSL	hsl(218, 55%, 47%)
HSV	hsv(218, 71%, 73%)
CMYK	cmyk(71%, 44.6%, 0%, 27.1%)
CIE-LAB	lab(44.27, 11.78, -48.66)
CIE-LCH	lch(44.27, 50.07, 283.61°)
OKLab	oklab(52.33% -0.0239 -0.1393)
OKLCH	oklch(52.33% 0.141 260.3)
XYZ	xyz(15.2313, 14.0283, 48.3499)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3667BA #BA8936

analogous

#36A9BA #3667BA #4736BA

triadic

#3667BA #BA3667 #67BA36

tetradic

#3667BA #BA36A9 #BA8936 #36BA47

square

#3667BA #BA36A9 #BA8936 #36BA47

split-complementary

#3667BA #BA4736 #A9BA36

monochromatic

#1A325B #284D8B #3667BA #5D88D0 #8DABDE

Accessibility & contrast

On white

5.52

#3667BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#3667BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3667BA

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3667BA	#FFFFFF	#000000	##FFFFFF
##3667BA	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6FBD

Deuteranopia (green-blind)

#2563B8

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3667ba;
/* rgb */ color: rgb(54, 103, 186);
/* oklch */ color: oklch(52.3% 0.141 260.3);

Tailwind

colors: {
  custom: {
    50: '#7d91cf',
    500: '#3667ba',
    950: '#000000',
  },
}

SCSS

$custom: #3667ba;
$custom-light: #7d91cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3667ba",
  "rgb": {
    "r": 54,
    "g": 103,
    "b": 186
  },
  "hsl": {
    "h": 217.727,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52329,
    "c": 0.14129,
    "h": 260.3
  },
  "luminance": 0.1403
}

Semantic roles & 50–950 ramp

primary

#3667BA

secondary

#C8AF84

accent

#A749DE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3667BA

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

Preview Lab → · Contrast checker → · Palette generator →