#1683A0#1683A0

#1683A0 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 56.7% C 0.099 H 221.7°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#1683A0
RGB	rgb(22, 131, 160)
HSL	hsl(193, 76%, 36%)
HSV	hsv(193, 86%, 63%)
CMYK	cmyk(86.3%, 18.1%, 0%, 37.3%)
CIE-LAB	lab(50.62, -18.21, -23.60)
CIE-LCH	lch(50.62, 29.81, 232.36°)
OKLab	oklab(56.68% -0.0742 -0.0662)
OKLCH	oklch(56.68% 0.099 221.7)
XYZ	xyz(14.7896, 18.9393, 36.1271)
Luminance	0.1894 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1683A0 #A03316

analogous

#16A078 #1683A0 #163EA0

triadic

#1683A0 #A01683 #83A016

tetradic

#1683A0 #7816A0 #A03316 #3EA016

square

#1683A0 #7816A0 #A03316 #3EA016

split-complementary

#1683A0 #A0163E #A07816

monochromatic

#072B34 #0F576A #1683A0 #1DAFD6 #4AC5E6

Accessibility & contrast

On white

4.39

#1683A0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#1683A0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #1683A0

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1683A0	#FFFFFF	#000000	##000000
##1683A0	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7280A2

Deuteranopia (green-blind)

#6073A0

Tritanopia (blue-blind)

#008C8C

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #1683a0;
/* rgb */ color: rgb(22, 131, 160);
/* oklch */ color: oklch(56.7% 0.099 221.7);

Tailwind

colors: {
  custom: {
    50: '#6fa7bc',
    500: '#1683a0',
    950: '#000000',
  },
}

SCSS

$custom: #1683a0;
$custom-light: #6fa7bc;
$custom-dark: #000000;

JSON

{
  "hex": "#1683a0",
  "rgb": {
    "r": 22,
    "g": 131,
    "b": 160
  },
  "hsl": {
    "h": 192.609,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.56678,
    "c": 0.09946,
    "h": 221.7
  },
  "luminance": 0.18941
}

Semantic roles & 50–950 ramp

primary

#1683A0

secondary

#C8654A

accent

#5D35F2

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#090F12

muted

#7B7F81

Preview Lab

Preview with #1683A0

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

Preview Lab → · Contrast checker → · Palette generator →