#3683A0#3683A0

#3683A0 is a mid, moderate cyan. Relative luminance 0.196; OKLCH L 57.5% C 0.087 H 226.2°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#3683A0
RGB	rgb(54, 131, 160)
HSL	hsl(196, 50%, 42%)
HSV	hsv(196, 66%, 63%)
CMYK	cmyk(66.3%, 18.1%, 0%, 37.3%)
CIE-LAB	lab(51.33, -14.24, -22.45)
CIE-LCH	lch(51.33, 26.59, 237.60°)
OKLab	oklab(57.45% -0.06 -0.0627)
OKLCH	oklch(57.45% 0.087 226.2)
XYZ	xyz(15.9803, 19.5532, 36.1829)
Luminance	0.1956 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3683A0 #A05336

analogous

#36A088 #3683A0 #364EA0

triadic

#3683A0 #A03683 #83A036

tetradic

#3683A0 #8836A0 #A05336 #4EA036

square

#3683A0 #8836A0 #A05336 #4EA036

split-complementary

#3683A0 #A0364E #A08836

monochromatic

#173844 #275E72 #3683A0 #4FA4C4 #7DBCD3

Accessibility & contrast

On white

4.28

#3683A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#3683A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3683A0

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3683A0	#FFFFFF	#000000	##000000
##3683A0	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7380A1

Deuteranopia (green-blind)

#6476A0

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #3683a0;
/* rgb */ color: rgb(54, 131, 160);
/* oklch */ color: oklch(57.5% 0.087 226.2);

Tailwind

colors: {
  custom: {
    50: '#79a7bc',
    500: '#3683a0',
    950: '#000000',
  },
}

SCSS

$custom: #3683a0;
$custom-light: #79a7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#3683a0",
  "rgb": {
    "r": 54,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 196.415,
    "s": 49.533,
    "l": 41.961
  },
  "oklch": {
    "l": 0.57452,
    "c": 0.08682,
    "h": 226.2
  },
  "luminance": 0.19555
}

Semantic roles & 50–950 ramp

primary

#3683A0

secondary

#BC8975

accent

#754FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #3683A0

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

Preview Lab → · Contrast checker → · Palette generator →