#18454F#18454F

#18454F is a dark, muted cyan. Relative luminance 0.050; OKLCH L 36.4% C 0.051 H 214.9°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#18454F
RGB	rgb(24, 69, 79)
HSL	hsl(191, 53%, 20%)
HSV	hsv(191, 70%, 31%)
CMYK	cmyk(69.6%, 12.7%, 0%, 69%)
CIE-LAB	lab(26.78, -11.70, -10.56)
CIE-LCH	lch(26.78, 15.76, 222.08°)
OKLab	oklab(36.42% -0.042 -0.0293)
OKLCH	oklch(36.42% 0.051 214.9)
XYZ	xyz(3.9155, 5.0145, 8.1572)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18454F #4F2218

analogous

#184F3D #18454F #18294F

triadic

#18454F #4F1845 #454F18

tetradic

#18454F #3D184F #4F2218 #294F18

square

#18454F #3D184F #4F2218 #294F18

split-complementary

#18454F #4F1829 #4F3D18

monochromatic

#071417 #0A1C20 #18454F #266E7E #3597AD

Accessibility & contrast

On white

10.48

#18454F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#18454F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18454F

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18454F	#FFFFFF	#000000	##FFFFFF
##18454F	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E4350

Deuteranopia (green-blind)

#363D4F

Tritanopia (blue-blind)

#004948

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18454f;
/* rgb */ color: rgb(24, 69, 79);
/* oklch */ color: oklch(36.4% 0.051 214.9);

Tailwind

colors: {
  custom: {
    50: '#5c7880',
    500: '#18454f',
    950: '#000000',
  },
}

SCSS

$custom: #18454f;
$custom-light: #5c7880;
$custom-dark: #000000;

JSON

{
  "hex": "#18454f",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 79
  },
  "hsl": {
    "h": 190.909,
    "s": 53.398,
    "l": 20.196
  },
  "oklch": {
    "l": 0.36415,
    "c": 0.05127,
    "h": 214.9
  },
  "luminance": 0.05015
}

Semantic roles & 50–950 ramp

primary

#18454F

secondary

#864A3D

accent

#664BDD

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04090A

muted

#797B7C

Preview Lab

Preview with #18454F

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

Preview Lab → · Contrast checker → · Palette generator →