#186C8E#186C8E

#186C8E is a mid, moderate cyan. Relative luminance 0.129; OKLCH L 50.0% C 0.092 H 230.9°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#186C8E
RGB	rgb(24, 108, 142)
HSL	hsl(197, 71%, 33%)
HSV	hsv(197, 83%, 56%)
CMYK	cmyk(83.1%, 23.9%, 0%, 44.3%)
CIE-LAB	lab(42.57, -11.63, -25.46)
CIE-LCH	lch(42.57, 27.99, 245.45°)
OKLab	oklab(49.98% -0.0583 -0.0717)
OKLCH	oklch(49.98% 0.092 230.9)
XYZ	xyz(10.6197, 12.8710, 27.5106)
Luminance	0.1287 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186C8E #8E3A18

analogous

#188E75 #186C8E #18318E

triadic

#186C8E #8E186C #6C8E18

tetradic

#186C8E #75188E #8E3A18 #318E18

square

#186C8E #75188E #8E3A18 #318E18

split-complementary

#186C8E #8E1831 #8E7518

monochromatic

#061C25 #0F445A #186C8E #2194C2 #41B2DF

Accessibility & contrast

On white

5.88

#186C8E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#186C8E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186C8E

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186C8E	#FFFFFF	#000000	##FFFFFF
##186C8E	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6B90

Deuteranopia (green-blind)

#4B608D

Tritanopia (blue-blind)

#007577

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #186c8e;
/* rgb */ color: rgb(24, 108, 142);
/* oklch */ color: oklch(50.0% 0.092 230.9);

Tailwind

colors: {
  custom: {
    50: '#6a96af',
    500: '#186c8e',
    950: '#000000',
  },
}

SCSS

$custom: #186c8e;
$custom-light: #6a96af;
$custom-dark: #000000;

JSON

{
  "hex": "#186c8e",
  "rgb": {
    "r": 24,
    "g": 108,
    "b": 142
  },
  "hsl": {
    "h": 197.288,
    "s": 71.084,
    "l": 32.549
  },
  "oklch": {
    "l": 0.4998,
    "c": 0.09242,
    "h": 230.9
  },
  "luminance": 0.12872
}

Semantic roles & 50–950 ramp

primary

#186C8E

secondary

#C06642

accent

#6E3AEE

background

#F6F9FA

surface

#ECF1F4

border

#C7CBCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186C8E

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

Preview Lab → · Contrast checker → · Palette generator →