#12433F
Closest named color: Dark Teal (#014D4E). oklch(34.9% 0.052 187.4), rgb(18, 67, 63).
Aa
White text reads best on this color (11.05:1).
About this color
#12433F is a dark, muted teal or cyan. In OKLCH its lightness is 35%, its chroma 0.052 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Teal (#014D4E), ΔE 0.035 away. White text reads best on it, at 11.05:1.
| Hue family | Teals and cyans |
| Lightness | dark (35%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Dark Teal (#014D4E) |
| Black text | 1.90:1 |
| White text | 11.05:1 |
Values
| HEX | #12433F |
| RGB | rgb(18, 67, 63) |
| HSL | hsl(175, 58%, 17%) |
| OKLCH | oklch(34.9% 0.052 187.4) |
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 #12433F | 11.05:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #12433F | 1.90:1 | Fails | Lc 8.6 | Not readable |
| #12433F text on white | 11.05:1 | AAA | Lc 95.3 | Preferred for body text |
| #12433F text on black | 1.90:1 | Fails | Lc -7.3 | 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
#A5C9C5
oklch(80.9% 0.039 188.1)
-
Step 400
400
#72AEA7
oklch(70.8% 0.063 186.6)
-
Step 500
500
#499992
oklch(63.1% 0.079 187.8)
-
Step 600
600
#24837C
oklch(55.5% 0.086 187.8)
-
Step 700
700
#146F69
oklch(49.1% 0.08 188)
-
Step 800
800
#165B55
oklch(42.8% 0.067 186.5)
-
Step 900
900 (this color)
#12433F
oklch(34.9% 0.052 187.4)
-
Step 950
950
#112C29
oklch(27.1% 0.034 185.9)
#12433F 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) | #3F3F3F | 0.055 |
| Deuteranopia (no green cones) | #383A40 | 0.052 |
| Tritanopia (no blue cones) | #004542 | 0.010 |
| Achromatopsia (no color) | #3C3C3C | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #12433F
#12433F
oklch(34.9% 0.052 187.4)
- #512F35
#512F35
oklch(34.9% 0.05 8.6)
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 #12433F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Teal #014D4E ΔE 0.035
- Charcoal #264653 ΔE 0.042
- Midnight Green #073B4C ΔE 0.042
- Evergreen #05472A ΔE 0.043
- Dark Blue Grey #1F3B4D ΔE 0.044
- Onyx #343A40 ΔE 0.047
- Dark Blue Green #005249 ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.050
Use #12433F 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.