#3668AF#3668AF

#3668AF is a mid, vivid blue. Relative luminance 0.138; OKLCH L 51.8% C 0.125 H 257.5°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#3668AF
RGB	rgb(54, 104, 175)
HSL	hsl(215, 53%, 45%)
HSV	hsv(215, 69%, 69%)
CMYK	cmyk(69.1%, 40.6%, 0%, 31.4%)
CIE-LAB	lab(43.91, 7.10, -42.82)
CIE-LCH	lch(43.91, 43.40, 279.42°)
OKLab	oklab(51.84% -0.0271 -0.1221)
OKLCH	oklch(51.84% 0.125 257.5)
XYZ	xyz(14.2067, 13.7786, 42.4599)
Luminance	0.1378 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3668AF #AF7D36

analogous

#36A4AF #3668AF #4136AF

triadic

#3668AF #AF3668 #68AF36

tetradic

#3668AF #AF36A4 #AF7D36 #36AF41

square

#3668AF #AF36A4 #AF7D36 #36AF41

split-complementary

#3668AF #AF4136 #A4AF36

monochromatic

#193051 #284C80 #3668AF #5787CB #86A8DA

Accessibility & contrast

On white

5.59

#3668AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.76

#3668AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3668AF

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3668AF	#FFFFFF	#000000	##FFFFFF
##3668AF	1.00	5.59	3.76	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.76	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#476EB2

Deuteranopia (green-blind)

#3463AE

Tritanopia (blue-blind)

#007883

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3668af;
/* rgb */ color: rgb(54, 104, 175);
/* oklch */ color: oklch(51.8% 0.125 257.5);

Tailwind

colors: {
  custom: {
    50: '#7b92c7',
    500: '#3668af',
    950: '#000000',
  },
}

SCSS

$custom: #3668af;
$custom-light: #7b92c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3668af",
  "rgb": {
    "r": 54,
    "g": 104,
    "b": 175
  },
  "hsl": {
    "h": 215.207,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51841,
    "c": 0.12503,
    "h": 257.5
  },
  "luminance": 0.1378
}

Semantic roles & 50–950 ramp

primary

#3668AF

secondary

#C3A67D

accent

#A04CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0D13

muted

#7C7D82

Preview Lab

Preview with #3668AF

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

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