#3669BA#3669BA

#3669BA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.139 H 259.3°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3669BA
RGB	rgb(54, 105, 186)
HSL	hsl(217, 55%, 47%)
HSV	hsv(217, 71%, 73%)
CMYK	cmyk(71%, 43.5%, 0%, 27.1%)
CIE-LAB	lab(44.84, 10.51, -47.75)
CIE-LCH	lch(44.84, 48.89, 282.42°)
OKLab	oklab(52.77% -0.0258 -0.1365)
OKLCH	oklch(52.77% 0.139 259.3)
XYZ	xyz(15.4326, 14.4310, 48.4170)
Luminance	0.1443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669BA #BA8736

analogous

#36ABBA #3669BA #4536BA

triadic

#3669BA #BA3669 #69BA36

tetradic

#3669BA #BA36AB #BA8736 #36BA45

square

#3669BA #BA36AB #BA8736 #36BA45

split-complementary

#3669BA #BA4536 #ABBA36

monochromatic

#1A335B #284E8B #3669BA #5D8AD0 #8DACDE

Accessibility & contrast

On white

5.40

#3669BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3669BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669BA

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669BA	#FFFFFF	#000000	##FFFFFF
##3669BA	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4271BD

Deuteranopia (green-blind)

#2A64B8

Tritanopia (blue-blind)

#007C88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3669ba;
/* rgb */ color: rgb(54, 105, 186);
/* oklch */ color: oklch(52.8% 0.139 259.3);

Tailwind

colors: {
  custom: {
    50: '#7d93cf',
    500: '#3669ba',
    950: '#000000',
  },
}

SCSS

$custom: #3669ba;
$custom-light: #7d93cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3669ba",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 186
  },
  "hsl": {
    "h": 216.818,
    "s": 55,
    "l": 47.059
  },
  "oklch": {
    "l": 0.5277,
    "c": 0.13894,
    "h": 259.3
  },
  "luminance": 0.14433
}

Semantic roles & 50–950 ramp

primary

#3669BA

secondary

#C8AE84

accent

#A549DE

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3669BA

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

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