#186E8B#186E8B

#186E8B is a mid, moderate cyan. Relative luminance 0.132; OKLCH L 50.3% C 0.089 H 226.3°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#186E8B
RGB	rgb(24, 110, 139)
HSL	hsl(195, 71%, 32%)
HSV	hsv(195, 83%, 55%)
CMYK	cmyk(82.7%, 20.9%, 0%, 45.5%)
CIE-LAB	lab(43.08, -13.88, -22.88)
CIE-LCH	lch(43.08, 26.76, 238.74°)
OKLab	oklab(50.34% -0.0614 -0.0643)
OKLCH	oklch(50.34% 0.089 226.3)
XYZ	xyz(10.6109, 13.2088, 26.4114)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#186E8B #8B3518

analogous

#188B6E #186E8B #18358B

triadic

#186E8B #8B186E #6E8B18

tetradic

#186E8B #6E188B #8B3518 #358B18

square

#186E8B #6E188B #8B3518 #358B18

split-complementary

#186E8B #8B1835 #8B6E18

monochromatic

#061B23 #0F4557 #186E8B #2197BF #3FB6DE

Accessibility & contrast

On white

5.77

#186E8B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#186E8B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #186E8B

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##186E8B	#FFFFFF	#000000	##FFFFFF
##186E8B	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6C8C

Deuteranopia (green-blind)

#4F618B

Tritanopia (blue-blind)

#007678

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #186e8b;
/* rgb */ color: rgb(24, 110, 139);
/* oklch */ color: oklch(50.3% 0.089 226.3);

Tailwind

colors: {
  custom: {
    50: '#6a97ad',
    500: '#186e8b',
    950: '#000000',
  },
}

SCSS

$custom: #186e8b;
$custom-light: #6a97ad;
$custom-dark: #000000;

JSON

{
  "hex": "#186e8b",
  "rgb": {
    "r": 24,
    "g": 110,
    "b": 139
  },
  "hsl": {
    "h": 195.13,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.50342,
    "c": 0.0889,
    "h": 226.3
  },
  "luminance": 0.1321
}

Semantic roles & 50–950 ramp

primary

#186E8B

secondary

#BE6040

accent

#683AED

background

#F6F9FA

surface

#ECF2F4

border

#C7CCCE

text

#080D10

muted

#7A7E7F

Preview Lab

Preview with #186E8B

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

Preview Lab → · Contrast checker → · Palette generator →