#18334C#18334C

#18334C is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.056 H 248.4°. Best body text is #FFFFFF at 12.99:1 contrast (WCAG AA passes).

Color values

HEX	#18334C
RGB	rgb(24, 51, 76)
HSL	hsl(209, 52%, 20%)
HSV	hsv(209, 68%, 30%)
CMYK	cmyk(68.4%, 32.9%, 0%, 70.2%)
CIE-LAB	lab(20.37, -1.19, -18.46)
CIE-LCH	lch(20.37, 18.50, 266.31°)
OKLab	oklab(31.27% -0.0206 -0.052)
OKLCH	oklch(31.27% 0.056 248.4)
XYZ	xyz(2.8645, 3.0834, 7.2803)
Luminance	0.0308 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18334C #4C3118

analogous

#184C4B #18334C #18194C

triadic

#18334C #4C1833 #334C18

tetradic

#18334C #4B184C #4C3118 #194C18

square

#18334C #4B184C #4C3118 #194C18

split-complementary

#18334C #4C1819 #4C4B18

monochromatic

#071017 #09141D #18334C #27527B #3571A9

Accessibility & contrast

On white

12.99

#18334C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#18334C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18334C

12.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18334C	#FFFFFF	#000000	##FFFFFF
##18334C	1.00	12.99	1.62	12.99
#FFFFFF	12.99	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28344D

Deuteranopia (green-blind)

#212F4C

Tritanopia (blue-blind)

#00393C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18334c;
/* rgb */ color: rgb(24, 51, 76);
/* oklch */ color: oklch(31.3% 0.056 248.4);

Tailwind

colors: {
  custom: {
    50: '#5b6a7e',
    500: '#18334c',
    950: '#000000',
  },
}

SCSS

$custom: #18334c;
$custom-light: #5b6a7e;
$custom-dark: #000000;

JSON

{
  "hex": "#18334c",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 76
  },
  "hsl": {
    "h": 208.846,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.31274,
    "c": 0.05599,
    "h": 248.4
  },
  "luminance": 0.03084
}

Semantic roles & 50–950 ramp

primary

#18334C

secondary

#835F3D

accent

#914CDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #18334C

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

Preview Lab → · Contrast checker → · Palette generator →