#3658AE#3658AE

#3658AE is a mid, vivid blue. Relative luminance 0.108; OKLCH L 48.2% C 0.143 H 265.2°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#3658AE
RGB	rgb(54, 88, 174)
HSL	hsl(223, 53%, 45%)
HSV	hsv(223, 69%, 68%)
CMYK	cmyk(69%, 49.4%, 0%, 31.8%)
CIE-LAB	lab(39.27, 17.03, -49.66)
CIE-LCH	lch(39.27, 52.50, 288.92°)
OKLab	oklab(48.25% -0.0119 -0.1424)
OKLCH	oklch(48.25% 0.143 265.2)
XYZ	xyz(12.6484, 10.8185, 41.4578)
Luminance	0.1082 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3658AE #AE8C36

analogous

#3694AE #3658AE #5036AE

triadic

#3658AE #AE3658 #58AE36

tetradic

#3658AE #AE3694 #AE8C36 #36AE50

square

#3658AE #AE3694 #AE8C36 #36AE50

split-complementary

#3658AE #AE5036 #94AE36

monochromatic

#192951 #28407F #3658AE #5677CB #859DD9

Accessibility & contrast

On white

6.64

#3658AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#3658AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3658AE

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3658AE	#FFFFFF	#000000	##FFFFFF
##3658AE	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2862B1

Deuteranopia (green-blind)

#0357AC

Tritanopia (blue-blind)

#006C7A

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #3658ae;
/* rgb */ color: rgb(54, 88, 174);
/* oklch */ color: oklch(48.2% 0.143 265.2);

Tailwind

colors: {
  custom: {
    50: '#7b86c7',
    500: '#3658ae',
    950: '#000000',
  },
}

SCSS

$custom: #3658ae;
$custom-light: #7b86c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3658ae",
  "rgb": {
    "r": 54,
    "g": 88,
    "b": 174
  },
  "hsl": {
    "h": 223,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.48248,
    "c": 0.14293,
    "h": 265.2
  },
  "luminance": 0.1082
}

Semantic roles & 50–950 ramp

primary

#3658AE

secondary

#C3AF7D

accent

#B34CDC

background

#F8F8FC

surface

#EFEFF8

border

#CACAD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #3658AE

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

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