#3668C6#3668C6

#3668C6 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.4% C 0.156 H 261.6°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3668C6
RGB	rgb(54, 104, 198)
HSL	hsl(219, 57%, 49%)
HSV	hsv(219, 73%, 78%)
CMYK	cmyk(72.7%, 47.5%, 0%, 22.4%)
CIE-LAB	lab(45.30, 15.59, -53.96)
CIE-LCH	lch(45.30, 56.16, 286.11°)
OKLab	oklab(53.36% -0.0228 -0.1548)
OKLCH	oklch(53.36% 0.156 261.6)
XYZ	xyz(16.6610, 14.7603, 55.3861)
Luminance	0.1476 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668C6 #C69436

analogous

#36B0C6 #3668C6 #4C36C6

triadic

#3668C6 #C63668 #68C636

tetradic

#3668C6 #C636B0 #C69436 #36C64C

square

#3668C6 #C636B0 #C69436 #36C64C

split-complementary

#3668C6 #C64C36 #B0C636

monochromatic

#1C3566 #294F96 #3668C6 #648BD5 #94AFE2

Accessibility & contrast

On white

5.31

#3668C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#3668C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668C6

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668C6	#FFFFFF	#000000	##FFFFFF
##3668C6	1.00	5.31	3.95	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3572C9

Deuteranopia (green-blind)

#0D65C4

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3668c6;
/* rgb */ color: rgb(54, 104, 198);
/* oklch */ color: oklch(53.4% 0.156 261.6);

Tailwind

colors: {
  custom: {
    50: '#7f92d8',
    500: '#3668c6',
    950: '#000000',
  },
}

SCSS

$custom: #3668c6;
$custom-light: #7f92d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3668c6",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 198
  },
  "hsl": {
    "h": 219.167,
    "s": 57.143,
    "l": 49.412
  },
  "oklch": {
    "l": 0.53362,
    "c": 0.15647,
    "h": 261.6
  },
  "luminance": 0.14762
}

Semantic roles & 50–950 ramp

primary

#3668C6

secondary

#CDB68B

accent

#AB47E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3668C6

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

Preview Lab → · Contrast checker → · Palette generator →