#184E73#184E73

#184E73 is a dark, moderate cyan. Relative luminance 0.069; OKLCH L 40.8% C 0.083 H 243.0°. Best body text is #FFFFFF at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#184E73
RGB	rgb(24, 78, 115)
HSL	hsl(204, 65%, 27%)
HSV	hsv(204, 79%, 45%)
CMYK	cmyk(79.1%, 32.2%, 0%, 54.9%)
CIE-LAB	lab(31.53, -3.67, -26.20)
CIE-LCH	lch(31.53, 26.46, 262.03°)
OKLab	oklab(40.77% -0.0378 -0.0742)
OKLCH	oklch(40.77% 0.083 243)
XYZ	xyz(6.1944, 6.8800, 17.2178)
Luminance	0.0688 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184E73 #733D18

analogous

#18736B #184E73 #182073

triadic

#184E73 #73184E #4E7318

tetradic

#184E73 #6B1873 #733D18 #207318

square

#184E73 #6B1873 #733D18 #207318

split-complementary

#184E73 #731820 #736B18

monochromatic

#051119 #0D2C40 #184E73 #2370A6 #3192D4

Accessibility & contrast

On white

8.84

#184E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#184E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184E73

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184E73	#FFFFFF	#000000	##FFFFFF
##184E73	1.00	8.84	2.38	8.84
#FFFFFF	8.84	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D4F75

Deuteranopia (green-blind)

#304672

Tritanopia (blue-blind)

#00575B

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #184e73;
/* rgb */ color: rgb(24, 78, 115);
/* oklch */ color: oklch(40.8% 0.083 243.0);

Tailwind

colors: {
  custom: {
    50: '#637f9b',
    500: '#184e73',
    950: '#000000',
  },
}

SCSS

$custom: #184e73;
$custom-light: #637f9b;
$custom-dark: #000000;

JSON

{
  "hex": "#184e73",
  "rgb": {
    "r": 24,
    "g": 78,
    "b": 115
  },
  "hsl": {
    "h": 204.396,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.40768,
    "c": 0.0833,
    "h": 243
  },
  "luminance": 0.06881
}

Semantic roles & 50–950 ramp

primary

#184E73

secondary

#A86A3F

accent

#843FE8

background

#F6F7F9

surface

#EBEEF2

border

#C6C9CC

text

#060A0E

muted

#7A7C7E

Preview Lab

Preview with #184E73

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

Preview Lab → · Contrast checker → · Palette generator →