#18365F#18365F

#18365F is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.3% C 0.081 H 256.9°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#18365F
RGB	rgb(24, 54, 95)
HSL	hsl(215, 60%, 23%)
HSV	hsv(215, 75%, 37%)
CMYK	cmyk(74.7%, 43.2%, 0%, 62.7%)
CIE-LAB	lab(22.51, 4.39, -27.68)
CIE-LCH	lch(22.51, 28.03, 279.02°)
OKLab	oklab(33.31% -0.0184 -0.079)
OKLCH	oklch(33.31% 0.081 256.9)
XYZ	xyz(3.7607, 3.6584, 11.3322)
Luminance	0.0366 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18365F #5F4118

analogous

#18595F #18365F #1D185F

triadic

#18365F #5F1836 #365F18

tetradic

#18365F #5F1859 #5F4118 #185F1D

square

#18365F #5F1859 #5F4118 #185F1D

split-complementary

#18365F #5F1D18 #595F18

monochromatic

#060E18 #0C1A2E #18365F #245290 #316EC1

Accessibility & contrast

On white

12.13

#18365F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#18365F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18365F

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18365F	#FFFFFF	#000000	##FFFFFF
##18365F	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233961

Deuteranopia (green-blind)

#18335E

Tritanopia (blue-blind)

#004045

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #18365f;
/* rgb */ color: rgb(24, 54, 95);
/* oklch */ color: oklch(33.3% 0.081 256.9);

Tailwind

colors: {
  custom: {
    50: '#5f6c8d',
    500: '#18365f',
    950: '#000000',
  },
}

SCSS

$custom: #18365f;
$custom-light: #5f6c8d;
$custom-dark: #000000;

JSON

{
  "hex": "#18365f",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 95
  },
  "hsl": {
    "h": 214.648,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.33311,
    "c": 0.08107,
    "h": 256.9
  },
  "luminance": 0.03659
}

Semantic roles & 50–950 ramp

primary

#18365F

secondary

#95703D

accent

#A045E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #18365F

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

Preview Lab → · Contrast checker → · Palette generator →