#18365E#18365E

#18365E is a dark, moderate cyan. Relative luminance 0.036; OKLCH L 33.2% C 0.080 H 256.4°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#18365E
RGB	rgb(24, 54, 94)
HSL	hsl(214, 59%, 23%)
HSV	hsv(214, 74%, 37%)
CMYK	cmyk(74.5%, 42.6%, 0%, 63.1%)
CIE-LAB	lab(22.44, 3.98, -27.13)
CIE-LCH	lch(22.44, 27.42, 278.35°)
OKLab	oklab(33.24% -0.0187 -0.0773)
OKLCH	oklch(33.24% 0.08 256.4)
XYZ	xyz(3.7155, 3.6403, 11.0943)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18365E #5E4018

analogous

#18595E #18365E #1D185E

triadic

#18365E #5E1836 #365E18

tetradic

#18365E #5E1859 #5E4018 #185E1D

square

#18365E #5E1859 #5E4018 #185E1D

split-complementary

#18365E #5E1D18 #595E18

monochromatic

#060E18 #0C1A2D #18365E #24528F #316EC0

Accessibility & contrast

On white

12.15

#18365E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#18365E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18365E

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18365E	#FFFFFF	#000000	##FFFFFF
##18365E	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243960

Deuteranopia (green-blind)

#19335D

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #18365e;
/* rgb */ color: rgb(24, 54, 94);
/* oklch */ color: oklch(33.2% 0.080 256.4);

Tailwind

colors: {
  custom: {
    50: '#5f6c8c',
    500: '#18365e',
    950: '#000000',
  },
}

SCSS

$custom: #18365e;
$custom-light: #5f6c8c;
$custom-dark: #000000;

JSON

{
  "hex": "#18365e",
  "rgb": {
    "r": 24,
    "g": 54,
    "b": 94
  },
  "hsl": {
    "h": 214.286,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.33241,
    "c": 0.07954,
    "h": 256.4
  },
  "luminance": 0.03641
}

Semantic roles & 50–950 ramp

primary

#18365E

secondary

#946F3D

accent

#9F45E3

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #18365E

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

Preview Lab → · Contrast checker → · Palette generator →