#184E66#184E66

#184E66 is a dark, moderate cyan. Relative luminance 0.066; OKLCH L 40.0% C 0.068 H 231.4°. Best body text is #FFFFFF at 9.05:1 contrast (WCAG AA passes).

Color values

HEX	#184E66
RGB	rgb(24, 78, 102)
HSL	hsl(198, 62%, 25%)
HSV	hsv(198, 76%, 40%)
CMYK	cmyk(76.5%, 23.5%, 0%, 60%)
CIE-LAB	lab(30.88, -8.70, -19.03)
CIE-LCH	lch(30.88, 20.92, 245.42°)
OKLab	oklab(40.04% -0.0426 -0.0534)
OKLCH	oklch(40.04% 0.068 231.4)
XYZ	xyz(5.4984, 6.6016, 13.5523)
Luminance	0.0660 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E66 #663018

analogous

#186657 #184E66 #182766

triadic

#184E66 #66184E #4E6618

tetradic

#184E66 #571866 #663018 #276618

square

#184E66 #571866 #663018 #276618

split-complementary

#184E66 #661827 #665718

monochromatic

#061319 #0C2834 #184E66 #247498 #2F9AC9

Accessibility & contrast

On white

9.05

#184E66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.32

#184E66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E66

9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E66	#FFFFFF	#000000	##FFFFFF
##184E66	1.00	9.05	2.32	9.05
#FFFFFF	9.05	1.00	21.00	1.00
#000000	2.32	21.00	1.00	21.00
##FFFFFF	9.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#424D67

Deuteranopia (green-blind)

#374566

Tritanopia (blue-blind)

#005556

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #184e66;
/* rgb */ color: rgb(24, 78, 102);
/* oklch */ color: oklch(40.0% 0.068 231.4);

Tailwind

colors: {
  custom: {
    50: '#617f91',
    500: '#184e66',
    950: '#000000',
  },
}

SCSS

$custom: #184e66;
$custom-light: #617f91;
$custom-dark: #000000;

JSON

{
  "hex": "#184e66",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 102
  },
  "hsl": {
    "h": 198.462,
    "s": 61.905,
    "l": 24.706
  },
  "oklch": {
    "l": 0.40038,
    "c": 0.06836,
    "h": 231.4
  },
  "luminance": 0.06602
}

Semantic roles & 50–950 ramp

primary

#184E66

secondary

#9C5B3E

accent

#7543E5

background

#F6F7F8

surface

#EBEEF0

border

#C6C9CB

text

#050A0D

muted

#7A7C7D

Preview Lab

Preview with #184E66

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

Preview Lab → · Contrast checker → · Palette generator →