#3655BF#3655BF

#3655BF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 48.9% C 0.170 H 267.4°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#3655BF
RGB	rgb(54, 85, 191)
HSL	hsl(226, 56%, 48%)
HSV	hsv(226, 72%, 75%)
CMYK	cmyk(71.7%, 55.5%, 0%, 25.1%)
CIE-LAB	lab(39.65, 25.25, -59.03)
CIE-LCH	lch(39.65, 64.21, 293.16°)
OKLab	oklab(48.91% -0.0078 -0.17)
OKLCH	oklch(48.91% 0.17 267.4)
XYZ	xyz(14.1705, 11.0414, 50.6645)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655BF #BFA036

analogous

#3699BF #3655BF #5B36BF

triadic

#3655BF #BF3655 #55BF36

tetradic

#3655BF #BF3699 #BFA036 #36BF5B

square

#3655BF #BF3699 #BFA036 #36BF5B

split-complementary

#3655BF #BF5B36 #99BF36

monochromatic

#1B2B60 #29408F #3655BF #607AD2 #90A2E0

Accessibility & contrast

On white

6.54

#3655BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#3655BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655BF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655BF	#FFFFFF	#000000	##FFFFFF
##3655BF	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C3

Deuteranopia (green-blind)

#0057BD

Tritanopia (blue-blind)

#006F81

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3655bf;
/* rgb */ color: rgb(54, 85, 191);
/* oklch */ color: oklch(48.9% 0.170 267.4);

Tailwind

colors: {
  custom: {
    50: '#7f84d3',
    500: '#3655bf',
    950: '#000000',
  },
}

SCSS

$custom: #3655bf;
$custom-light: #7f84d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3655bf",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 191
  },
  "hsl": {
    "h": 226.423,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.48913,
    "c": 0.17023,
    "h": 267.4
  },
  "luminance": 0.11043
}

Semantic roles & 50–950 ramp

primary

#3655BF

secondary

#CABB87

accent

#BD49DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3655BF

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

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