#18506D#18506D

#18506D is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.9% C 0.075 H 235.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#18506D
RGB	rgb(24, 80, 109)
HSL	hsl(200, 64%, 26%)
HSV	hsv(200, 78%, 43%)
CMYK	cmyk(78%, 26.6%, 0%, 57.3%)
CIE-LAB	lab(31.89, -7.27, -21.88)
CIE-LCH	lch(31.89, 23.06, 251.62°)
OKLab	oklab(40.95% -0.0421 -0.0617)
OKLCH	oklch(40.95% 0.075 235.7)
XYZ	xyz(6.0046, 7.0349, 15.5065)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18506D #6D3518

analogous

#186D5F #18506D #18256D

triadic

#18506D #6D1850 #506D18

tetradic

#18506D #5F186D #6D3518 #256D18

square

#18506D #5F186D #6D3518 #256D18

split-complementary

#18506D #6D1825 #6D5F18

monochromatic

#061219 #0D2B3B #18506D #23759F #2E9AD1

Accessibility & contrast

On white

8.72

#18506D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#18506D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18506D

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18506D	#FFFFFF	#000000	##FFFFFF
##18506D	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#42506E

Deuteranopia (green-blind)

#36476D

Tritanopia (blue-blind)

#00585A

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #18506d;
/* rgb */ color: rgb(24, 80, 109);
/* oklch */ color: oklch(40.9% 0.075 235.7);

Tailwind

colors: {
  custom: {
    50: '#628197',
    500: '#18506d',
    950: '#000000',
  },
}

SCSS

$custom: #18506d;
$custom-light: #628197;
$custom-dark: #000000;

JSON

{
  "hex": "#18506d",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 109
  },
  "hsl": {
    "h": 200.471,
    "s": 63.91,
    "l": 26.078
  },
  "oklch": {
    "l": 0.40949,
    "c": 0.07466,
    "h": 235.7
  },
  "luminance": 0.07036
}

Semantic roles & 50–950 ramp

primary

#18506D

secondary

#A3603E

accent

#7A41E7

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18506D

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

Preview Lab → · Contrast checker → · Palette generator →