#3681A3#3681A3

#3681A3 is a mid, moderate cyan. Relative luminance 0.191; OKLCH L 57.1% C 0.090 H 230.9°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#3681A3
RGB	rgb(54, 129, 163)
HSL	hsl(199, 50%, 43%)
HSV	hsv(199, 67%, 64%)
CMYK	cmyk(66.9%, 20.9%, 0%, 36.1%)
CIE-LAB	lab(50.84, -12.12, -24.95)
CIE-LCH	lch(50.84, 27.74, 244.08°)
OKLab	oklab(57.1% -0.0567 -0.0699)
OKLCH	oklch(57.1% 0.09 230.9)
XYZ	xyz(15.9798, 19.1274, 37.4930)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3681A3 #A35836

analogous

#36A38F #3681A3 #364AA3

triadic

#3681A3 #A33681 #81A336

tetradic

#3681A3 #8F36A3 #A35836 #4AA336

square

#3681A3 #8F36A3 #A35836 #4AA336

split-complementary

#3681A3 #A3364A #A38F36

monochromatic

#183847 #275D75 #3681A3 #51A1C5 #7FBAD5

Accessibility & contrast

On white

4.35

#3681A3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#3681A3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3681A3

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3681A3	#FFFFFF	#000000	##000000
##3681A3	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#707FA5

Deuteranopia (green-blind)

#6174A3

Tritanopia (blue-blind)

#008A8C

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #3681a3;
/* rgb */ color: rgb(54, 129, 163);
/* oklch */ color: oklch(57.1% 0.090 230.9);

Tailwind

colors: {
  custom: {
    50: '#79a5be',
    500: '#3681a3',
    950: '#000000',
  },
}

SCSS

$custom: #3681a3;
$custom-light: #79a5be;
$custom-dark: #000000;

JSON

{
  "hex": "#3681a3",
  "rgb": {
    "r": 54,
    "g": 129,
    "b": 163
  },
  "hsl": {
    "h": 198.716,
    "s": 50.23,
    "l": 42.549
  },
  "oklch": {
    "l": 0.571,
    "c": 0.09001,
    "h": 230.9
  },
  "luminance": 0.19129
}

Semantic roles & 50–950 ramp

primary

#3681A3

secondary

#BE8D77

accent

#7A4EDA

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3681A3

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

Preview Lab → · Contrast checker → · Palette generator →