#3655B2#3655B2

#3655B2 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.9% C 0.152 H 266.7°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#3655B2
RGB	rgb(54, 85, 178)
HSL	hsl(225, 53%, 45%)
HSV	hsv(225, 70%, 70%)
CMYK	cmyk(69.7%, 52.2%, 0%, 30.2%)
CIE-LAB	lab(38.72, 20.46, -52.92)
CIE-LCH	lch(38.72, 56.74, 291.14°)
OKLab	oklab(47.91% -0.0088 -0.1521)
OKLCH	oklch(47.91% 0.152 266.7)
XYZ	xyz(12.8029, 10.4943, 43.4617)
Luminance	0.1050 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3655B2 #B29336

analogous

#3693B2 #3655B2 #5536B2

triadic

#3655B2 #B23655 #55B236

tetradic

#3655B2 #B23693 #B29336 #36B255

square

#3655B2 #B23693 #B29336 #36B255

split-complementary

#3655B2 #B25536 #93B236

monochromatic

#1A2854 #283F83 #3655B2 #5976CD #889CDB

Accessibility & contrast

On white

6.78

#3655B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#3655B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3655B2

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3655B2	#FFFFFF	#000000	##FFFFFF
##3655B2	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A61B5

Deuteranopia (green-blind)

#0056B0

Tritanopia (blue-blind)

#006B7B

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #3655b2;
/* rgb */ color: rgb(54, 85, 178);
/* oklch */ color: oklch(47.9% 0.152 266.7);

Tailwind

colors: {
  custom: {
    50: '#7c84ca',
    500: '#3655b2',
    950: '#000000',
  },
}

SCSS

$custom: #3655b2;
$custom-light: #7c84ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3655b2",
  "rgb": {
    "r": 54,
    "g": 85,
    "b": 178
  },
  "hsl": {
    "h": 225,
    "s": 53.448,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47911,
    "c": 0.15232,
    "h": 266.7
  },
  "luminance": 0.10496
}

Semantic roles & 50–950 ramp

primary

#3655B2

secondary

#C5B37F

accent

#B84BDD

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #3655B2

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

Preview Lab → · Contrast checker → · Palette generator →