#145143
Closest named color: Dark Blue Green (#005249). oklch(39.3% 0.066 174.1), rgb(20, 81, 67).
Aa
White text reads best on this color (9.17:1).
About this color
#145143 is a dark, muted teal or cyan. In OKLCH its lightness is 39%, its chroma 0.066 and its hue 174°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Blue Green (#005249), ΔE 0.011 away. White text reads best on it, at 9.17:1.
| Hue family | Teals and cyans |
| Lightness | dark (39%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Dark Blue Green (#005249) |
| Black text | 2.28:1 |
| White text | 9.17:1 |
Values
| HEX | #145143 |
| RGB | rgb(20, 81, 67) |
| HSL | hsl(166, 60%, 20%) |
| OKLCH | oklch(39.3% 0.066 174.1) |
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 #145143 | 9.17:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #145143 | 2.28:1 | Fails | Lc 13.1 | Not readable |
| #145143 text on white | 9.17:1 | AAA | Lc 90.9 | Preferred for body text |
| #145143 text on black | 2.28:1 | Fails | Lc -11.5 | 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
#F1F7F5
oklch(97.1% 0.007 174.4)
-
Step 100
100
#E1EDE9
oklch(93.6% 0.014 174.2)
-
Step 200
200
#C8DFD8
oklch(88.5% 0.026 175.5)
-
Step 300
300
#A0CBBE
oklch(80.8% 0.049 174.6)
-
Step 400
400
#69B19D
oklch(70.7% 0.079 174.2)
-
Step 500
500
#379D85
oklch(63.1% 0.101 174.3)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00725D
oklch(49.3% 0.094 174)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900 (this color)
#145143
oklch(39.3% 0.066 174.1)
-
Step 950
950
#0C2D25
oklch(27% 0.041 174.3)
#145143 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) | #4E4B42 | 0.068 |
| Deuteranopia (no green cones) | #464544 | 0.066 |
| Tritanopia (no blue cones) | #00524D | 0.016 |
| Achromatopsia (no color) | #484848 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145143
#145143
oklch(39.3% 0.066 174.1)
- #613648
#613648
oklch(39.2% 0.066 354)
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 #145143, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Blue Green #005249 ΔE 0.011
- Dark Teal #014D4E ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.035
- Deep Teal #00555A ΔE 0.036
- Evergreen #05472A ΔE 0.048
- Charcoal #264653 ΔE 0.055
- Spruce #0A5F38 ΔE 0.055
- Pine #2B5D34 ΔE 0.056
Use #145143 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.