#3641CF#3641CF

#3641CF is a mid, highly saturated blue. Relative luminance 0.091; OKLCH L 46.7% C 0.214 H 271.4°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#3641CF
RGB	rgb(54, 65, 207)
HSL	hsl(236, 61%, 51%)
HSV	hsv(236, 74%, 81%)
CMYK	cmyk(73.9%, 68.6%, 0%, 18.8%)
CIE-LAB	lab(36.12, 43.57, -74.11)
CIE-LCH	lch(36.12, 85.97, 300.45°)
OKLab	oklab(46.72% 0.0052 -0.2144)
OKLCH	oklch(46.72% 0.214 271.4)
XYZ	xyz(14.6703, 9.0683, 59.9966)
Luminance	0.0907 (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

#3641CF #CFC436

analogous

#368DCF #3641CF #7736CF

triadic

#3641CF #CF3641 #41CF36

tetradic

#3641CF #CF368D #CFC436 #36CF77

square

#3641CF #CF368D #CFC436 #36CF77

split-complementary

#3641CF #CF7736 #8DCF36

monochromatic

#1B2170 #272FA1 #3641CF #6770DB #999EE7

Accessibility & contrast

On white

7.46

#3641CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#3641CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3641CF

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3641CF	#FFFFFF	#000000	##FFFFFF
##3641CF	1.00	7.46	2.81	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD3

Deuteranopia (green-blind)

#004ECC

Tritanopia (blue-blind)

#006883

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #3641cf;
/* rgb */ color: rgb(54, 65, 207);
/* oklch */ color: oklch(46.7% 0.214 271.4);

Tailwind

colors: {
  custom: {
    50: '#8476df',
    500: '#3641cf',
    950: '#000000',
  },
}

SCSS

$custom: #3641cf;
$custom-light: #8476df;
$custom-dark: #000000;

JSON

{
  "hex": "#3641cf",
  "rgb": {
    "r": 54,
    "g": 65,
    "b": 207
  },
  "hsl": {
    "h": 235.686,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46717,
    "c": 0.21449,
    "h": 271.4
  },
  "luminance": 0.0907
}

Semantic roles & 50–950 ramp

primary

#3641CF

secondary

#D2CD8F

accent

#D943E5

background

#F8F7FD

surface

#F0EDFB

border

#CBC8D4

text

#0D0815

muted

#7D7B83

Preview Lab

Preview with #3641CF

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

Preview Lab → · Contrast checker → · Palette generator →