#18506B#18506B

#18506B is a dark, moderate cyan. Relative luminance 0.070; OKLCH L 40.8% C 0.072 H 233.8°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#18506B
RGB	rgb(24, 80, 107)
HSL	hsl(200, 63%, 26%)
HSV	hsv(200, 78%, 42%)
CMYK	cmyk(77.6%, 25.2%, 0%, 58%)
CIE-LAB	lab(31.79, -8.04, -20.77)
CIE-LCH	lch(31.79, 22.27, 248.85°)
OKLab	oklab(40.84% -0.0428 -0.0585)
OKLCH	oklch(40.84% 0.072 233.8)
XYZ	xyz(5.8981, 6.9924, 14.9459)
Luminance	0.0699 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18506B #6B3318

analogous

#186B5C #18506B #18266B

triadic

#18506B #6B1850 #506B18

tetradic

#18506B #5C186B #6B3318 #266B18

square

#18506B #5C186B #6B3318 #266B18

split-complementary

#18506B #6B1826 #6B5C18

monochromatic

#061319 #0D2B39 #18506B #23759D #2E9BCF

Accessibility & contrast

On white

8.76

#18506B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#18506B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18506B

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18506B	#FFFFFF	#000000	##FFFFFF
##18506B	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#434F6C

Deuteranopia (green-blind)

#38476B

Tritanopia (blue-blind)

#005759

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #18506b;
/* rgb */ color: rgb(24, 80, 107);
/* oklch */ color: oklch(40.8% 0.072 233.8);

Tailwind

colors: {
  custom: {
    50: '#628195',
    500: '#18506b',
    950: '#000000',
  },
}

SCSS

$custom: #18506b;
$custom-light: #628195;
$custom-dark: #000000;

JSON

{
  "hex": "#18506b",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 107
  },
  "hsl": {
    "h": 199.518,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.4084,
    "c": 0.07248,
    "h": 233.8
  },
  "luminance": 0.06993
}

Semantic roles & 50–950 ramp

primary

#18506B

secondary

#A15E3E

accent

#7741E6

background

#F6F7F9

surface

#EBEEF1

border

#C6C9CB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18506B

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

Preview Lab → · Contrast checker → · Palette generator →