#184C40#184C40

#184C40 is a dark, muted teal. Relative luminance 0.057; OKLCH L 37.8% C 0.059 H 174.9°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#184C40
RGB	rgb(24, 76, 64)
HSL	hsl(166, 52%, 20%)
HSV	hsv(166, 68%, 30%)
CMYK	cmyk(68.4%, 0%, 15.8%, 70.2%)
CIE-LAB	lab(28.73, -20.54, 2.08)
CIE-LCH	lch(28.73, 20.65, 174.23°)
OKLab	oklab(37.82% -0.0585 0.0052)
OKLCH	oklch(37.82% 0.059 174.9)
XYZ	xyz(3.8861, 5.7328, 5.7512)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184C40 #4C1824

analogous

#184C26 #184C40 #183E4C

triadic

#184C40 #40184C #4C4018

tetradic

#184C40 #26184C #4C1824 #3E4C18

square

#184C40 #26184C #4C1824 #3E4C18

split-complementary

#184C40 #4C183E #4C2618

monochromatic

#071714 #091D19 #184C40 #277B67 #35A98E

Accessibility & contrast

On white

9.78

#184C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#184C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184C40

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184C40	#FFFFFF	#000000	##FFFFFF
##184C40	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473F

Deuteranopia (green-blind)

#424141

Tritanopia (blue-blind)

#004D48

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #184c40;
/* rgb */ color: rgb(24, 76, 64);
/* oklch */ color: oklch(37.8% 0.059 174.9);

Tailwind

colors: {
  custom: {
    50: '#5c7e74',
    500: '#184c40',
    950: '#000000',
  },
}

SCSS

$custom: #184c40;
$custom-light: #5c7e74;
$custom-dark: #000000;

JSON

{
  "hex": "#184c40",
  "rgb": {
    "r": 24,
    "g": 76,
    "b": 64
  },
  "hsl": {
    "h": 166.154,
    "s": 52,
    "l": 19.608
  },
  "oklch": {
    "l": 0.37819,
    "c": 0.05873,
    "h": 174.9
  },
  "luminance": 0.05733
}

Semantic roles & 50–950 ramp

primary

#184C40

secondary

#833D4D

accent

#4C6DDB

background

#F5F7F7

surface

#E9EEED

border

#C5C9C8

text

#040A08

muted

#797C7B

Preview Lab

Preview with #184C40

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

Preview Lab → · Contrast checker → · Palette generator →