#18546B#18546B

#18546B is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 41.9% C 0.071 H 228.0°. Best body text is #FFFFFF at 8.34:1 contrast (WCAG AA passes).

Color values

HEX	#18546B
RGB	rgb(24, 84, 107)
HSL	hsl(197, 63%, 26%)
HSV	hsv(197, 78%, 42%)
CMYK	cmyk(77.6%, 21.5%, 0%, 58%)
CIE-LAB	lab(33.13, -10.48, -18.70)
CIE-LCH	lch(33.13, 21.44, 240.74°)
OKLab	oklab(41.91% -0.0472 -0.0525)
OKLCH	oklch(41.91% 0.071 228)
XYZ	xyz(6.1998, 7.5956, 15.0464)
Luminance	0.0760 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18546B #6B2F18

analogous

#186B58 #18546B #182A6B

triadic

#18546B #6B1854 #546B18

tetradic

#18546B #58186B #6B2F18 #2A6B18

square

#18546B #58186B #6B2F18 #2A6B18

split-complementary

#18546B #6B182A #6B5818

monochromatic

#061419 #0D2D39 #18546B #237B9D #2EA2CF

Accessibility & contrast

On white

8.34

#18546B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#18546B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18546B

8.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18546B	#FFFFFF	#000000	##FFFFFF
##18546B	1.00	8.34	2.52	8.34
#FFFFFF	8.34	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48526C

Deuteranopia (green-blind)

#3D4A6B

Tritanopia (blue-blind)

#005B5C

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #18546b;
/* rgb */ color: rgb(24, 84, 107);
/* oklch */ color: oklch(41.9% 0.071 228.0);

Tailwind

colors: {
  custom: {
    50: '#628495',
    500: '#18546b',
    950: '#000000',
  },
}

SCSS

$custom: #18546b;
$custom-light: #628495;
$custom-dark: #000000;

JSON

{
  "hex": "#18546b",
  "rgb": {
    "r": 24,
    "g": 84,
    "b": 107
  },
  "hsl": {
    "h": 196.627,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.41907,
    "c": 0.07058,
    "h": 228
  },
  "luminance": 0.07596
}

Semantic roles & 50–950 ramp

primary

#18546B

secondary

#A1593E

accent

#6F41E6

background

#F6F8F9

surface

#EBEFF1

border

#C6CACB

text

#060A0D

muted

#7A7C7E

Preview Lab

Preview with #18546B

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

Preview Lab → · Contrast checker → · Palette generator →