#184B4E
Closest named color: Dark Teal (#014D4E). oklch(38.1% 0.053 200.7), rgb(24, 75, 78).
Aa
White text reads best on this color (9.74:1).
About this color
#184B4E is a dark, muted teal or cyan. In OKLCH its lightness is 38%, its chroma 0.053 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.012 away. White text reads best on it, at 9.74:1.
| Hue family | Teals and cyans |
| Lightness | dark (38%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 2.15:1 |
| White text | 9.74:1 |
Values
| HEX | #184B4E |
| RGB | rgb(24, 75, 78) |
| HSL | hsl(183, 53%, 20%) |
| OKLCH | oklch(38.1% 0.053 200.7) |
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 #184B4E | 9.74:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #184B4E | 2.15:1 | Fails | Lc 11.6 | Not readable |
| #184B4E text on white | 9.74:1 | AAA | Lc 92.4 | Preferred for body text |
| #184B4E text on black | 2.15:1 | Fails | Lc -10.1 | 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
#F2F7F7
oklch(97.2% 0.005 197.1)
-
Step 100
100
#E1ECED
oklch(93.5% 0.012 203.5)
-
Step 200
200
#C9DEDF
oklch(88.5% 0.022 200.2)
-
Step 300
300
#A3C9CB
oklch(80.9% 0.04 200.3)
-
Step 400
400
#6FADB1
oklch(70.7% 0.064 201)
-
Step 500
500
#43989D
oklch(63% 0.082 200.6)
-
Step 600
600
#198388
oklch(55.7% 0.089 199.9)
-
Step 700
700
#036E74
oklch(49% 0.083 201.5)
-
Step 800
800
#0D5A5E
oklch(42.7% 0.069 200.4)
-
Step 900
900 (this color)
#184B4E
oklch(38.1% 0.053 200.7)
-
Step 950
950
#0F2B2D
oklch(26.9% 0.034 201.6)
#184B4E 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) | #45484E | 0.054 |
| Deuteranopia (no green cones) | #3D414E | 0.051 |
| Tritanopia (no blue cones) | #004E4C | 0.016 |
| Achromatopsia (no color) | #444444 | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #184B4E
#184B4E
oklch(38.1% 0.053 200.7)
- #5C3736
#5C3736
oklch(38.1% 0.053 21.5)
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 #184B4E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.012
- Charcoal #264653 ΔE 0.024
- Dark Slate Gray #2F4F4F ΔE 0.028
- Dark Blue Green #005249 ΔE 0.029
- Deep Teal #00555A ΔE 0.033
- Dark Grey Blue #29465B ΔE 0.036
- Charcoal Grey #3C4142 ΔE 0.048
- Dark Blue Grey #1F3B4D ΔE 0.053
Use #184B4E 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.