#186F81#186F81

#186F81 is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.1% C 0.082 H 215.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#186F81
RGB	rgb(24, 111, 129)
HSL	hsl(190, 69%, 30%)
HSV	hsv(190, 81%, 51%)
CMYK	cmyk(81.4%, 14%, 0%, 49.4%)
CIE-LAB	lab(42.98, -18.02, -17.02)
CIE-LCH	lch(42.98, 24.79, 223.36°)
OKLab	oklab(50.13% -0.0666 -0.0475)
OKLCH	oklch(50.13% 0.082 215.5)
XYZ	xyz(10.0219, 13.1468, 22.7740)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186F81 #812A18

analogous

#18815F #186F81 #183A81

triadic

#186F81 #81186F #6F8118

tetradic

#186F81 #5F1881 #812A18 #3A8118

square

#186F81 #5F1881 #812A18 #3A8118

split-complementary

#186F81 #81183A #815F18

monochromatic

#05161A #0E434D #186F81 #229BB5 #39BFDA

Accessibility & contrast

On white

5.79

#186F81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#186F81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186F81

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186F81	#FFFFFF	#000000	##FFFFFF
##186F81	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#636B82

Deuteranopia (green-blind)

#556181

Tritanopia (blue-blind)

#007675

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #186f81;
/* rgb */ color: rgb(24, 111, 129);
/* oklch */ color: oklch(50.1% 0.082 215.5);

Tailwind

colors: {
  custom: {
    50: '#6998a5',
    500: '#186f81',
    950: '#000000',
  },
}

SCSS

$custom: #186f81;
$custom-light: #6998a5;
$custom-dark: #000000;

JSON

{
  "hex": "#186f81",
  "rgb": {
    "r": 24,
    "g": 111,
    "b": 129
  },
  "hsl": {
    "h": 190.286,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.5013,
    "c": 0.08182,
    "h": 215.5
  },
  "luminance": 0.13148
}

Semantic roles & 50–950 ramp

primary

#186F81

secondary

#B55440

accent

#5A3CEB

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #186F81

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

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