#18364C#18364C

#18364C is a dark, muted cyan. Relative luminance 0.034; OKLCH L 32.1% C 0.053 H 242.7°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#18364C
RGB	rgb(24, 54, 76)
HSL	hsl(205, 52%, 20%)
HSV	hsv(205, 68%, 30%)
CMYK	cmyk(68.4%, 28.9%, 0%, 70.2%)
CIE-LAB	lab(21.41, -3.23, -16.84)
CIE-LCH	lch(21.41, 17.15, 259.13°)
OKLab	oklab(32.09% -0.0245 -0.0474)
OKLCH	oklch(32.09% 0.053 242.7)
XYZ	xyz(2.9999, 3.3540, 7.3254)
Luminance	0.0335 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18364C #4C2E18

analogous

#184C48 #18364C #181C4C

triadic

#18364C #4C1836 #364C18

tetradic

#18364C #48184C #4C2E18 #1C4C18

square

#18364C #48184C #4C2E18 #1C4C18

split-complementary

#18364C #4C181C #4C4818

monochromatic

#071117 #09151D #18364C #27577B #3578A9

Accessibility & contrast

On white

12.57

#18364C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#18364C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18364C

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18364C	#FFFFFF	#000000	##FFFFFF
##18364C	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C364D

Deuteranopia (green-blind)

#25314C

Tritanopia (blue-blind)

#003B3E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #18364c;
/* rgb */ color: rgb(24, 54, 76);
/* oklch */ color: oklch(32.1% 0.053 242.7);

Tailwind

colors: {
  custom: {
    50: '#5b6c7e',
    500: '#18364c',
    950: '#000000',
  },
}

SCSS

$custom: #18364c;
$custom-light: #5b6c7e;
$custom-dark: #000000;

JSON

{
  "hex": "#18364c",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 76
  },
  "hsl": {
    "h": 205.385,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.3209,
    "c": 0.05329,
    "h": 242.7
  },
  "luminance": 0.03354
}

Semantic roles & 50–950 ramp

primary

#18364C

secondary

#835B3D

accent

#894CDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #18364C

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

Preview Lab → · Contrast checker → · Palette generator →