#18636B#18636B

#18636B is a mid, moderate teal. Relative luminance 0.102; OKLCH L 46.0% C 0.071 H 205.6°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#18636B
RGB	rgb(24, 99, 107)
HSL	hsl(186, 63%, 26%)
HSV	hsv(186, 78%, 42%)
CMYK	cmyk(77.6%, 7.5%, 0%, 58%)
CIE-LAB	lab(38.16, -19.08, -11.00)
CIE-LCH	lch(38.16, 22.02, 209.96°)
OKLab	oklab(45.96% -0.0637 -0.0306)
OKLCH	oklch(45.96% 0.071 205.6)
XYZ	xyz(7.4912, 10.1785, 15.4769)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18636B #6B2018

analogous

#186B49 #18636B #18396B

triadic

#18636B #6B1863 #636B18

tetradic

#18636B #49186B #6B2018 #396B18

square

#18636B #49186B #6B2018 #396B18

split-complementary

#18636B #6B1839 #6B4918

monochromatic

#061719 #0D3539 #18636B #23919D #2EC0CF

Accessibility & contrast

On white

6.92

#18636B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#18636B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #18636B

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18636B	#FFFFFF	#000000	##FFFFFF
##18636B	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5F6C

Deuteranopia (green-blind)

#4F566B

Tritanopia (blue-blind)

#006865

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #18636b;
/* rgb */ color: rgb(24, 99, 107);
/* oklch */ color: oklch(46.0% 0.071 205.6);

Tailwind

colors: {
  custom: {
    50: '#648f95',
    500: '#18636b',
    950: '#000000',
  },
}

SCSS

$custom: #18636b;
$custom-light: #648f95;
$custom-dark: #000000;

JSON

{
  "hex": "#18636b",
  "rgb": {
    "r": 24,
    "g": 99,
    "b": 107
  },
  "hsl": {
    "h": 185.783,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.45956,
    "c": 0.07065,
    "h": 205.6
  },
  "luminance": 0.10179
}

Semantic roles & 50–950 ramp

primary

#18636B

secondary

#A1483E

accent

#5141E6

background

#F6F8F9

surface

#EBF0F1

border

#C6CBCB

text

#060C0D

muted

#7A7D7E

Preview Lab

Preview with #18636B

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

Preview Lab → · Contrast checker → · Palette generator →