#3688AF#3688AF

#3688AF is a mid, moderate cyan. Relative luminance 0.215; OKLCH L 59.4% C 0.098 H 232.6°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3688AF
RGB	rgb(54, 136, 175)
HSL	hsl(199, 53%, 45%)
HSV	hsv(199, 69%, 69%)
CMYK	cmyk(69.1%, 22.3%, 0%, 31.4%)
CIE-LAB	lab(53.48, -12.02, -27.79)
CIE-LCH	lch(53.48, 30.28, 246.61°)
OKLab	oklab(59.37% -0.0597 -0.078)
OKLCH	oklch(59.37% 0.098 232.6)
XYZ	xyz(18.0603, 21.4858, 43.7445)
Luminance	0.2149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3688AF #AF5D36

analogous

#36AF9A #3688AF #364CAF

triadic

#3688AF #AF3688 #88AF36

tetradic

#3688AF #9A36AF #AF5D36 #4CAF36

square

#3688AF #9A36AF #AF5D36 #4CAF36

split-complementary

#3688AF #AF364C #AF9A36

monochromatic

#193F51 #286480 #3688AF #57A6CB #86BFDA

Accessibility & contrast

On white

3.96

#3688AF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#3688AF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3688AF

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3688AF	#FFFFFF	#000000	##000000
##3688AF	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7587B1

Deuteranopia (green-blind)

#647AAE

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #3688af;
/* rgb */ color: rgb(54, 136, 175);
/* oklch */ color: oklch(59.4% 0.098 232.6);

Tailwind

colors: {
  custom: {
    50: '#7caac7',
    500: '#3688af',
    950: '#000000',
  },
}

SCSS

$custom: #3688af;
$custom-light: #7caac7;
$custom-dark: #000000;

JSON

{
  "hex": "#3688af",
  "rgb": {
    "r": 54,
    "g": 136,
    "b": 175
  },
  "hsl": {
    "h": 199.339,
    "s": 52.838,
    "l": 44.902
  },
  "oklch": {
    "l": 0.59372,
    "c": 0.09823,
    "h": 232.6
  },
  "luminance": 0.21488
}

Semantic roles & 50–950 ramp

primary

#3688AF

secondary

#C3947D

accent

#7A4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #3688AF

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

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