#12443E
Closest named color: Dark Teal (#014D4E). oklch(35.2% 0.053 183.8), rgb(18, 68, 62).
Aa
White text reads best on this color (10.92:1).
About this color
#12443E is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.053 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.034 away. White text reads best on it, at 10.92:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.92:1 |
| White text | 10.92:1 |
Values
| HEX | #12443E |
| RGB | rgb(18, 68, 62) |
| HSL | hsl(173, 58%, 17%) |
| OKLCH | oklch(35.2% 0.053 183.8) |
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 #12443E | 10.92:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #12443E | 1.92:1 | Fails | Lc 8.8 | Not readable |
| #12443E text on white | 10.92:1 | AAA | Lc 95.1 | Preferred for body text |
| #12443E text on black | 1.92:1 | Fails | Lc -7.6 | 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
#CADEDB
oklch(88.5% 0.022 186)
-
Step 300
300
#A5C9C3
oklch(80.8% 0.039 184.1)
-
Step 400
400
#72AEA5
oklch(70.7% 0.064 184.1)
-
Step 500
500
#489A8F
oklch(63.2% 0.082 183.8)
-
Step 600
600
#228479
oklch(55.6% 0.089 183.9)
-
Step 700
700
#117066
oklch(49.2% 0.083 183.8)
-
Step 800
800
#145B53
oklch(42.7% 0.068 183.8)
-
Step 900
900 (this color)
#12443E
oklch(35.2% 0.053 183.8)
-
Step 950
950
#112C28
oklch(27% 0.034 182.9)
#12443E 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) | #40403E | 0.056 |
| Deuteranopia (no green cones) | #393A3F | 0.055 |
| Tritanopia (no blue cones) | #004642 | 0.010 |
| Achromatopsia (no color) | #3D3D3D | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12443E
#12443E
oklch(35.2% 0.053 183.8)
- #522F38
#522F38
oklch(35.2% 0.053 3.5)
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 #12443E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.034
- Evergreen #05472A ΔE 0.040
- Charcoal #264653 ΔE 0.043
- Dark Blue Green #005249 ΔE 0.045
- Midnight Green #073B4C ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.048
- Onyx #343A40 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.051
Use #12443E 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.