#3654C0#3654C0

#3654C0 is a mid, vivid blue. Relative luminance 0.109; OKLCH L 48.8% C 0.173 H 267.7°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#3654C0
RGB	rgb(54, 84, 192)
HSL	hsl(227, 56%, 48%)
HSV	hsv(227, 72%, 75%)
CMYK	cmyk(71.9%, 56.3%, 0%, 24.7%)
CIE-LAB	lab(39.46, 26.27, -59.92)
CIE-LCH	lch(39.46, 65.43, 293.67°)
OKLab	oklab(48.79% -0.0069 -0.1727)
OKLCH	oklch(48.79% 0.173 267.7)
XYZ	xyz(14.2028, 10.9292, 51.2200)
Luminance	0.1093 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3654C0 #C0A236

analogous

#3699C0 #3654C0 #5D36C0

triadic

#3654C0 #C03654 #54C036

tetradic

#3654C0 #C03699 #C0A236 #36C05D

square

#3654C0 #C03699 #C0A236 #36C05D

split-complementary

#3654C0 #C05D36 #99C036

monochromatic

#1B2A60 #293F90 #3654C0 #6179D2 #90A2E0

Accessibility & contrast

On white

6.59

#3654C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#3654C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3654C0

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3654C0	#FFFFFF	#000000	##FFFFFF
##3654C0	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C4

Deuteranopia (green-blind)

#0057BE

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #3654c0;
/* rgb */ color: rgb(54, 84, 192);
/* oklch */ color: oklch(48.8% 0.173 267.7);

Tailwind

colors: {
  custom: {
    50: '#7f83d4',
    500: '#3654c0',
    950: '#000000',
  },
}

SCSS

$custom: #3654c0;
$custom-light: #7f83d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3654c0",
  "rgb": {
    "r": 54,
    "g": 84,
    "b": 192
  },
  "hsl": {
    "h": 226.957,
    "s": 56.098,
    "l": 48.235
  },
  "oklch": {
    "l": 0.48794,
    "c": 0.17282,
    "h": 267.7
  },
  "luminance": 0.10931
}

Semantic roles & 50–950 ramp

primary

#3654C0

secondary

#CBBC87

accent

#BF48DF

background

#F8F8FD

surface

#F0EFFA

border

#CBCAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #3654C0

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

Preview Lab → · Contrast checker → · Palette generator →