#3641BF#3641BF

#3641BF is a mid, vivid blue. Relative luminance 0.083; OKLCH L 45.2% C 0.194 H 272.0°. Best body text is #FFFFFF at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3641BF
RGB	rgb(54, 65, 191)
HSL	hsl(235, 56%, 48%)
HSV	hsv(235, 72%, 75%)
CMYK	cmyk(71.7%, 66%, 0%, 25.1%)
CIE-LAB	lab(34.65, 38.05, -67.19)
CIE-LCH	lch(34.65, 77.21, 299.52°)
OKLab	oklab(45.21% 0.0067 -0.1942)
OKLCH	oklch(45.21% 0.194 272)
XYZ	xyz(12.8124, 8.3252, 50.2118)
Luminance	0.0833 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3641BF #BFB436

analogous

#3686BF #3641BF #6F36BF

triadic

#3641BF #BF3641 #41BF36

tetradic

#3641BF #BF3686 #BFB436 #36BF6F

square

#3641BF #BF3686 #BFB436 #36BF6F

split-complementary

#3641BF #BF6F36 #86BF36

monochromatic

#1B2160 #29318F #3641BF #6069D2 #9096E0

Accessibility & contrast

On white

7.88

#3641BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#3641BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3641BF

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3641BF	#FFFFFF	#000000	##FFFFFF
##3641BF	1.00	7.88	2.67	7.88
#FFFFFF	7.88	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058C3

Deuteranopia (green-blind)

#004BBD

Tritanopia (blue-blind)

#00627A

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #3641bf;
/* rgb */ color: rgb(54, 65, 191);
/* oklch */ color: oklch(45.2% 0.194 272.0);

Tailwind

colors: {
  custom: {
    50: '#8076d3',
    500: '#3641bf',
    950: '#000000',
  },
}

SCSS

$custom: #3641bf;
$custom-light: #8076d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3641bf",
  "rgb": {
    "r": 54,
    "g": 65,
    "b": 191
  },
  "hsl": {
    "h": 235.182,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.45208,
    "c": 0.19431,
    "h": 272
  },
  "luminance": 0.08326
}

Semantic roles & 50–950 ramp

primary

#3641BF

secondary

#CAC587

accent

#D349DF

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0C0814

muted

#7D7B83

Preview Lab

Preview with #3641BF

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

Preview Lab → · Contrast checker → · Palette generator →