#3688AC#3688AC

#3688AC is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.2% C 0.095 H 230.4°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3688AC
RGB	rgb(54, 136, 172)
HSL	hsl(198, 52%, 44%)
HSV	hsv(198, 69%, 67%)
CMYK	cmyk(68.6%, 20.9%, 0%, 32.5%)
CIE-LAB	lab(53.35, -13.03, -26.26)
CIE-LCH	lch(53.35, 29.31, 243.61°)
OKLab	oklab(59.23% -0.0608 -0.0736)
OKLCH	oklch(59.23% 0.095 230.4)
XYZ	xyz(17.7689, 21.3692, 42.2099)
Luminance	0.2137 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3688AC #AC5A36

analogous

#36AC95 #3688AC #364DAC

triadic

#3688AC #AC3688 #88AC36

tetradic

#3688AC #9536AC #AC5A36 #4DAC36

square

#3688AC #9536AC #AC5A36 #4DAC36

split-complementary

#3688AC #AC364D #AC9536

monochromatic

#193E4F #27637D #3688AC #55A6CA #84BFD8

Accessibility & contrast

On white

3.98

#3688AC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#3688AC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688AC

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3688AC	#FFFFFF	#000000	##000000
##3688AC	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7686AE

Deuteranopia (green-blind)

#657AAB

Tritanopia (blue-blind)

#009294

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3688ac;
/* rgb */ color: rgb(54, 136, 172);
/* oklch */ color: oklch(59.2% 0.095 230.4);

Tailwind

colors: {
  custom: {
    50: '#7baac4',
    500: '#3688ac',
    950: '#000000',
  },
}

SCSS

$custom: #3688ac;
$custom-light: #7baac4;
$custom-dark: #000000;

JSON

{
  "hex": "#3688ac",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 172
  },
  "hsl": {
    "h": 198.305,
    "s": 52.212,
    "l": 44.314
  },
  "oklch": {
    "l": 0.5923,
    "c": 0.09548,
    "h": 230.4
  },
  "luminance": 0.21371
}

Semantic roles & 50–950 ramp

primary

#3688AC

secondary

#C2917C

accent

#784CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #3688AC

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

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