#145B4F
Closest named color: Dark Green Blue (#1F6357). oklch(42.6% 0.07 178.7), rgb(20, 91, 79).
Aa
White text reads best on this color (7.95:1).
About this color
#145B4F is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.070 and its hue 179°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Green Blue (#1F6357), ΔE 0.028 away. White text reads best on it, at 7.95:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.070) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.63:1 |
| White text | 7.95:1 |
Values
| HEX | #145B4F |
| RGB | rgb(20, 91, 79) |
| HSL | hsl(170, 64%, 22%) |
| OKLCH | oklch(42.6% 0.07 178.7) |
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 #145B4F | 7.95:1 | AAA | Lc -92.0 | Preferred for body text |
| Black text on #145B4F | 2.63:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #145B4F text on white | 7.95:1 | AAA | Lc 87.3 | Fine for body text |
| #145B4F text on black | 2.63:1 | Fails | Lc -14.8 | 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 800.
-
Step 50
50
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2EDEA
oklch(93.7% 0.012 178)
-
Step 200
200
#CADED9
oklch(88.4% 0.022 179.1)
-
Step 300
300
#A5CAC1
oklch(81% 0.041 178.8)
-
Step 400
400
#72AEA1
oklch(70.6% 0.065 179.1)
-
Step 500
500
#489A8A
oklch(63% 0.084 178.9)
-
Step 600
600
#238574
oklch(55.7% 0.092 178.4)
-
Step 700
700
#127061
oklch(49% 0.085 178.6)
-
Step 800
800 (this color)
#145B4F
oklch(42.6% 0.07 178.7)
-
Step 900
900
#1A4B42
oklch(37.7% 0.055 179)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#145B4F 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) | #57554F | 0.075 |
| Deuteranopia (no green cones) | #4D4E50 | 0.070 |
| Tritanopia (no blue cones) | #005D57 | 0.013 |
| Achromatopsia (no color) | #515151 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145B4F
#145B4F
oklch(42.6% 0.07 178.7)
- #6E3D4E
#6E3D4E
oklch(42.5% 0.072 358.4)
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 #145B4F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green Blue #1F6357 ΔE 0.028
- Dark Blue Green #005249 ΔE 0.032
- Deep Teal #00555A ΔE 0.032
- Petrol #005F6A ΔE 0.043
- Dark Slate Gray #2F4F4F ΔE 0.043
- Spruce #0A5F38 ΔE 0.043
- Pine #2B5D34 ΔE 0.045
- Dark Teal #014D4E ΔE 0.049
Use #145B4F 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.