#18436F#18436F

#18436F is a dark, moderate cyan. Relative luminance 0.054; OKLCH L 37.7% C 0.089 H 251.8°. Best body text is #FFFFFF at 10.14:1 contrast (WCAG AA passes).

Color values

HEX	#18436F
RGB	rgb(24, 67, 111)
HSL	hsl(210, 64%, 26%)
HSV	hsv(210, 78%, 44%)
CMYK	cmyk(78.4%, 39.6%, 0%, 56.5%)
CIE-LAB	lab(27.72, 1.97, -29.69)
CIE-LCH	lch(27.72, 29.76, 273.80°)
OKLab	oklab(37.7% -0.0278 -0.0846)
OKLCH	oklch(37.7% 0.089 251.8)
XYZ	xyz(5.2520, 5.3556, 15.7928)
Luminance	0.0536 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18436F #6F4418

analogous

#186F6F #18436F #19186F

triadic

#18436F #6F1843 #436F18

tetradic

#18436F #6F186F #6F4418 #186F19

square

#18436F #6F186F #6F4418 #186F19

split-complementary

#18436F #6F1918 #6F6F18

monochromatic

#050F19 #0D253D #18436F #2361A1 #2F80D2

Accessibility & contrast

On white

10.14

#18436F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#18436F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18436F

10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18436F	#FFFFFF	#000000	##FFFFFF
##18436F	1.00	10.14	2.07	10.14
#FFFFFF	10.14	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4671

Deuteranopia (green-blind)

#213E6E

Tritanopia (blue-blind)

#004D53

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #18436f;
/* rgb */ color: rgb(24, 67, 111);
/* oklch */ color: oklch(37.7% 0.089 251.8);

Tailwind

colors: {
  custom: {
    50: '#627698',
    500: '#18436f',
    950: '#000000',
  },
}

SCSS

$custom: #18436f;
$custom-light: #627698;
$custom-dark: #000000;

JSON

{
  "hex": "#18436f",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 111
  },
  "hsl": {
    "h": 210.345,
    "s": 64.444,
    "l": 26.471
  },
  "oklch": {
    "l": 0.377,
    "c": 0.08906,
    "h": 251.8
  },
  "luminance": 0.05356
}

Semantic roles & 50–950 ramp

primary

#18436F

secondary

#A5723E

accent

#9540E7

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #18436F

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

Preview Lab → · Contrast checker → · Palette generator →