#186D8E#186D8E

#186D8E is a mid, moderate cyan. Relative luminance 0.131; OKLCH L 50.2% C 0.092 H 229.9°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#186D8E
RGB	rgb(24, 109, 142)
HSL	hsl(197, 71%, 33%)
HSV	hsv(197, 83%, 56%)
CMYK	cmyk(83.1%, 23.2%, 0%, 44.3%)
CIE-LAB	lab(42.89, -12.21, -24.96)
CIE-LCH	lch(42.89, 27.79, 243.94°)
OKLab	oklab(50.24% -0.0593 -0.0703)
OKLCH	oklch(50.24% 0.092 229.9)
XYZ	xyz(10.7258, 13.0831, 27.5459)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186D8E #8E3918

analogous

#188E74 #186D8E #18328E

triadic

#186D8E #8E186D #6D8E18

tetradic

#186D8E #74188E #8E3918 #328E18

square

#186D8E #74188E #8E3918 #328E18

split-complementary

#186D8E #8E1832 #8E7418

monochromatic

#061D25 #0F455A #186D8E #2195C2 #41B3DF

Accessibility & contrast

On white

5.81

#186D8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#186D8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186D8E

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186D8E	#FFFFFF	#000000	##FFFFFF
##186D8E	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C6B90

Deuteranopia (green-blind)

#4D608E

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #186d8e;
/* rgb */ color: rgb(24, 109, 142);
/* oklch */ color: oklch(50.2% 0.092 229.9);

Tailwind

colors: {
  custom: {
    50: '#6b96af',
    500: '#186d8e',
    950: '#000000',
  },
}

SCSS

$custom: #186d8e;
$custom-light: #6b96af;
$custom-dark: #000000;

JSON

{
  "hex": "#186d8e",
  "rgb": {
    "r": 24,
    "g": 109,
    "b": 142
  },
  "hsl": {
    "h": 196.78,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.50235,
    "c": 0.09194,
    "h": 229.9
  },
  "luminance": 0.13084
}

Semantic roles & 50–950 ramp

primary

#186D8E

secondary

#C06542

accent

#6C3AEE

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186D8E

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

Preview Lab → · Contrast checker → · Palette generator →