#3687AC#3687AC

#3687AC is a mid, moderate cyan. Relative luminance 0.211; OKLCH L 59.0% C 0.096 H 231.4°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3687AC
RGB	rgb(54, 135, 172)
HSL	hsl(199, 52%, 44%)
HSV	hsv(199, 69%, 67%)
CMYK	cmyk(68.6%, 21.5%, 0%, 32.5%)
CIE-LAB	lab(53.05, -12.47, -26.73)
CIE-LCH	lch(53.05, 29.50, 244.99°)
OKLab	oklab(58.99% -0.0598 -0.075)
OKLCH	oklch(58.99% 0.096 231.4)
XYZ	xyz(17.6287, 21.0889, 42.1632)
Luminance	0.2109 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3687AC #AC5B36

analogous

#36AC96 #3687AC #364CAC

triadic

#3687AC #AC3687 #87AC36

tetradic

#3687AC #9636AC #AC5B36 #4CAC36

square

#3687AC #9636AC #AC5B36 #4CAC36

split-complementary

#3687AC #AC364C #AC9636

monochromatic

#193E4F #27627D #3687AC #55A5CA #84BED8

Accessibility & contrast

On white

4.02

#3687AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#3687AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3687AC

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3687AC	#FFFFFF	#000000	##000000
##3687AC	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7485AE

Deuteranopia (green-blind)

#6479AB

Tritanopia (blue-blind)

#009193

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3687ac;
/* rgb */ color: rgb(54, 135, 172);
/* oklch */ color: oklch(59.0% 0.096 231.4);

Tailwind

colors: {
  custom: {
    50: '#7baac5',
    500: '#3687ac',
    950: '#000000',
  },
}

SCSS

$custom: #3687ac;
$custom-light: #7baac5;
$custom-dark: #000000;

JSON

{
  "hex": "#3687ac",
  "rgb": {
    "r": 54,
    "g": 135,
    "b": 172
  },
  "hsl": {
    "h": 198.814,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.58987,
    "c": 0.09588,
    "h": 231.4
  },
  "luminance": 0.21091
}

Semantic roles & 50–950 ramp

primary

#3687AC

secondary

#C2927C

accent

#794CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3687AC

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

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