#3688AE#3688AE

#3688AE is a mid, moderate cyan. Relative luminance 0.214; OKLCH L 59.3% C 0.097 H 231.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3688AE
RGB	rgb(54, 136, 174)
HSL	hsl(199, 53%, 45%)
HSV	hsv(199, 69%, 68%)
CMYK	cmyk(69%, 21.8%, 0%, 31.8%)
CIE-LAB	lab(53.43, -12.36, -27.28)
CIE-LCH	lch(53.43, 29.95, 245.63°)
OKLab	oklab(59.32% -0.0601 -0.0765)
OKLCH	oklch(59.32% 0.097 231.9)
XYZ	xyz(17.9624, 21.4466, 43.2291)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3688AE #AE5C36

analogous

#36AE98 #3688AE #364CAE

triadic

#3688AE #AE3688 #88AE36

tetradic

#3688AE #9836AE #AE5C36 #4CAE36

square

#3688AE #9836AE #AE5C36 #4CAE36

split-complementary

#3688AE #AE364C #AE9836

monochromatic

#193F51 #28637F #3688AE #56A6CB #85BFD9

Accessibility & contrast

On white

3.97

#3688AE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#3688AE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688AE

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3688AE	#FFFFFF	#000000	##000000
##3688AE	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7586B0

Deuteranopia (green-blind)

#657AAD

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3688ae;
/* rgb */ color: rgb(54, 136, 174);
/* oklch */ color: oklch(59.3% 0.097 231.9);

Tailwind

colors: {
  custom: {
    50: '#7baac6',
    500: '#3688ae',
    950: '#000000',
  },
}

SCSS

$custom: #3688ae;
$custom-light: #7baac6;
$custom-dark: #000000;

JSON

{
  "hex": "#3688ae",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 174
  },
  "hsl": {
    "h": 199,
    "s": 52.632,
    "l": 44.706
  },
  "oklch": {
    "l": 0.59324,
    "c": 0.0973,
    "h": 231.9
  },
  "luminance": 0.21449
}

Semantic roles & 50–950 ramp

primary

#3688AE

secondary

#C3937D

accent

#794CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3688AE

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

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