#3684B0#3684B0

#3684B0 is a mid, moderate cyan. Relative luminance 0.204; OKLCH L 58.5% C 0.101 H 237.0°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3684B0
RGB	rgb(54, 132, 176)
HSL	hsl(202, 53%, 45%)
HSV	hsv(202, 69%, 69%)
CMYK	cmyk(69.3%, 25%, 0%, 31%)
CIE-LAB	lab(52.31, -9.41, -30.18)
CIE-LCH	lch(52.31, 31.61, 252.68°)
OKLab	oklab(58.46% -0.0552 -0.0849)
OKLCH	oklch(58.46% 0.101 237)
XYZ	xyz(17.6060, 20.4195, 44.0794)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3684B0 #B06236

analogous

#36B09F #3684B0 #3647B0

triadic

#3684B0 #B03684 #84B036

tetradic

#3684B0 #9F36B0 #B06236 #47B036

square

#3684B0 #9F36B0 #B06236 #47B036

split-complementary

#3684B0 #B03647 #B09F36

monochromatic

#193E52 #286181 #3684B0 #58A2CC #86BCDA

Accessibility & contrast

On white

4.13

#3684B0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#3684B0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3684B0

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3684B0	#FFFFFF	#000000	##000000
##3684B0	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F83B2

Deuteranopia (green-blind)

#5E77AF

Tritanopia (blue-blind)

#008F93

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3684b0;
/* rgb */ color: rgb(54, 132, 176);
/* oklch */ color: oklch(58.5% 0.101 237.0);

Tailwind

colors: {
  custom: {
    50: '#7ca7c7',
    500: '#3684b0',
    950: '#000000',
  },
}

SCSS

$custom: #3684b0;
$custom-light: #7ca7c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3684b0",
  "rgb": {
    "r": 54,
    "g": 132,
    "b": 176
  },
  "hsl": {
    "h": 201.639,
    "s": 53.043,
    "l": 45.098
  },
  "oklch": {
    "l": 0.58456,
    "c": 0.10129,
    "h": 237
  },
  "luminance": 0.20421
}

Semantic roles & 50–950 ramp

primary

#3684B0

secondary

#C4977E

accent

#804BDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #3684B0

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

Preview Lab → · Contrast checker → · Palette generator →