#186B81#186B81

#186B81 is a mid, moderate cyan. Relative luminance 0.123; OKLCH L 49.1% C 0.082 H 220.5°. Best body text is #FFFFFF at 6.07:1 contrast (WCAG AA passes).

Color values

HEX	#186B81
RGB	rgb(24, 107, 129)
HSL	hsl(193, 69%, 30%)
HSV	hsv(193, 81%, 51%)
CMYK	cmyk(81.4%, 17.1%, 0%, 49.4%)
CIE-LAB	lab(41.68, -15.80, -19.03)
CIE-LCH	lch(41.68, 24.73, 230.29°)
OKLab	oklab(49.08% -0.0625 -0.0533)
OKLCH	oklch(49.08% 0.082 220.5)
XYZ	xyz(9.5952, 12.2934, 22.6318)
Luminance	0.1230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186B81 #812E18

analogous

#188162 #186B81 #183781

triadic

#186B81 #81186B #6B8118

tetradic

#186B81 #621881 #812E18 #378118

square

#186B81 #621881 #812E18 #378118

split-complementary

#186B81 #811837 #816218

monochromatic

#05151A #0E404D #186B81 #2296B5 #39B8DA

Accessibility & contrast

On white

6.07

#186B81 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.46

#186B81 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186B81

6.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186B81	#FFFFFF	#000000	##FFFFFF
##186B81	1.00	6.07	3.46	6.07
#FFFFFF	6.07	1.00	21.00	1.00
#000000	3.46	21.00	1.00	21.00
##FFFFFF	6.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6882

Deuteranopia (green-blind)

#505E81

Tritanopia (blue-blind)

#007272

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #186b81;
/* rgb */ color: rgb(24, 107, 129);
/* oklch */ color: oklch(49.1% 0.082 220.5);

Tailwind

colors: {
  custom: {
    50: '#6895a5',
    500: '#186b81',
    950: '#000000',
  },
}

SCSS

$custom: #186b81;
$custom-light: #6895a5;
$custom-dark: #000000;

JSON

{
  "hex": "#186b81",
  "rgb": {
    "r": 24,
    "g": 107,
    "b": 129
  },
  "hsl": {
    "h": 192.571,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.4908,
    "c": 0.08208,
    "h": 220.5
  },
  "luminance": 0.12295
}

Semantic roles & 50–950 ramp

primary

#186B81

secondary

#B55840

accent

#613CEB

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#070D0F

muted

#7A7E7F

Preview Lab

Preview with #186B81

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

Preview Lab → · Contrast checker → · Palette generator →