#3684BF#3684BF

#3684BF is a mid, moderate cyan. Relative luminance 0.210; OKLCH L 59.2% C 0.118 H 244.7°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3684BF
RGB	rgb(54, 132, 191)
HSL	hsl(206, 56%, 48%)
HSV	hsv(206, 72%, 75%)
CMYK	cmyk(71.7%, 30.9%, 0%, 25.1%)
CIE-LAB	lab(53.00, -4.18, -37.70)
CIE-LCH	lch(53.00, 37.93, 263.68°)
OKLab	oklab(59.23% -0.0504 -0.1067)
OKLCH	oklch(59.23% 0.118 244.7)
XYZ	xyz(19.1730, 21.0462, 52.3320)
Luminance	0.2105 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684BF #BF7136

analogous

#36BFB5 #3684BF #3640BF

triadic

#3684BF #BF3684 #84BF36

tetradic

#3684BF #B536BF #BF7136 #40BF36

square

#3684BF #B536BF #BF7136 #40BF36

split-complementary

#3684BF #BF3640 #BFB536

monochromatic

#1B4260 #29638F #3684BF #60A1D2 #90BDE0

Accessibility & contrast

On white

4.03

#3684BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3684BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684BF

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684BF	#FFFFFF	#000000	##000000
##3684BF	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6986C2

Deuteranopia (green-blind)

#5679BE

Tritanopia (blue-blind)

#009299

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3684bf;
/* rgb */ color: rgb(54, 132, 191);
/* oklch */ color: oklch(59.2% 0.118 244.7);

Tailwind

colors: {
  custom: {
    50: '#7ea7d2',
    500: '#3684bf',
    950: '#000000',
  },
}

SCSS

$custom: #3684bf;
$custom-light: #7ea7d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3684bf",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 191
  },
  "hsl": {
    "h": 205.839,
    "s": 55.918,
    "l": 48.039
  },
  "oklch": {
    "l": 0.59231,
    "c": 0.118,
    "h": 244.7
  },
  "luminance": 0.21048
}

Semantic roles & 50–950 ramp

primary

#3684BF

secondary

#CAA487

accent

#8949DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B0F14

muted

#7C7F82

Preview Lab

Preview with #3684BF

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

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