#184540
Closest named color: Dark Teal (#014D4E). oklch(35.8% 0.05 185.2), rgb(24, 69, 64).
Aa
White text reads best on this color (10.69:1).
About this color
#184540 is a dark, muted teal or cyan. In OKLCH its lightness is 36%, its chroma 0.050 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.030 away. White text reads best on it, at 10.69:1.
| Hue family | Teals and cyans |
| Lightness | dark (36%) |
| Chroma | muted (0.050) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.96:1 |
| White text | 10.69:1 |
Values
| HEX | #184540 |
| RGB | rgb(24, 69, 64) |
| HSL | hsl(173, 48%, 18%) |
| OKLCH | oklch(35.8% 0.05 185.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #184540 | 10.69:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #184540 | 1.96:1 | Fails | Lc 9.3 | Not readable |
| #184540 text on white | 10.69:1 | AAA | Lc 94.6 | Preferred for body text |
| #184540 text on black | 1.96:1 | Fails | Lc -8.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F2F7F6
oklch(97.2% 0.005 183)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A7C9C4
oklch(81% 0.037 185.6)
-
Step 400
400
#75ADA5
oklch(70.6% 0.06 184.8)
-
Step 500
500
#4E9990
oklch(63.2% 0.076 185.3)
-
Step 600
600
#2C837A
oklch(55.6% 0.083 185.4)
-
Step 700
700
#1D6F67
oklch(49.2% 0.077 185.5)
-
Step 800
800
#1B5A54
oklch(42.6% 0.064 186.1)
-
Step 900
900 (this color)
#184540
oklch(35.8% 0.05 185.2)
-
Step 950
950
#132B28
oklch(26.8% 0.031 185.1)
#184540 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #414140 | 0.052 |
| Deuteranopia (no green cones) | #3A3C41 | 0.050 |
| Tritanopia (no blue cones) | #004743 | 0.013 |
| Achromatopsia (no color) | #3E3E3E | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184540
#184540
oklch(35.8% 0.05 185.2)
- #533139
#533139
oklch(35.8% 0.051 4.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #184540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.030
- Charcoal #264653 ΔE 0.038
- Dark Blue Green #005249 ΔE 0.041
- Evergreen #05472A ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.046
- Onyx #343A40 ΔE 0.047
- Dark Blue Grey #1F3B4D ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
Use #184540 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.