#3684B4#3684B4

#3684B4 is a mid, moderate cyan. Relative luminance 0.206; OKLCH L 58.7% C 0.106 H 239.3°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3684B4
RGB	rgb(54, 132, 180)
HSL	hsl(203, 54%, 46%)
HSV	hsv(203, 70%, 71%)
CMYK	cmyk(70%, 26.7%, 0%, 29.4%)
CIE-LAB	lab(52.49, -8.03, -32.20)
CIE-LCH	lch(52.49, 33.19, 256.00°)
OKLab	oklab(58.66% -0.0539 -0.0907)
OKLCH	oklch(58.66% 0.106 239.3)
XYZ	xyz(18.0076, 20.5801, 46.1945)
Luminance	0.2058 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684B4 #B46636

analogous

#36B4A5 #3684B4 #3645B4

triadic

#3684B4 #B43684 #84B436

tetradic

#3684B4 #A536B4 #B46636 #45B436

square

#3684B4 #A536B4 #B46636 #45B436

split-complementary

#3684B4 #B43645 #B4A536

monochromatic

#1A3F56 #286185 #3684B4 #5AA1CD #89BCDC

Accessibility & contrast

On white

4.10

#3684B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#3684B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684B4

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684B4	#FFFFFF	#000000	##000000
##3684B4	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E84B6

Deuteranopia (green-blind)

#5C78B3

Tritanopia (blue-blind)

#009095

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3684b4;
/* rgb */ color: rgb(54, 132, 180);
/* oklch */ color: oklch(58.7% 0.106 239.3);

Tailwind

colors: {
  custom: {
    50: '#7ca7ca',
    500: '#3684b4',
    950: '#000000',
  },
}

SCSS

$custom: #3684b4;
$custom-light: #7ca7ca;
$custom-dark: #000000;

JSON

{
  "hex": "#3684b4",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 180
  },
  "hsl": {
    "h": 202.857,
    "s": 53.846,
    "l": 45.882
  },
  "oklch": {
    "l": 0.58657,
    "c": 0.10553,
    "h": 239.3
  },
  "luminance": 0.20582
}

Semantic roles & 50–950 ramp

primary

#3684B4

secondary

#C69B80

accent

#824BDD

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3684B4

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

Preview Lab → · Contrast checker → · Palette generator →