#175C4A
Closest named color: Dark Green Blue (#1F6357). oklch(42.7% 0.074 171.5), rgb(23, 92, 74).
Aa
White text reads best on this color (7.87:1).
About this color
#175C4A is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 43%, its chroma 0.074 and its hue 171°. 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 7.87:1.
| Hue family | Teals and cyans |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Dark Green Blue (#1F6357) |
| Black text | 2.66:1 |
| White text | 7.87:1 |
Values
| HEX | #175C4A |
| RGB | rgb(23, 92, 74) |
| HSL | hsl(164, 60%, 23%) |
| OKLCH | oklch(42.7% 0.074 171.5) |
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 #175C4A | 7.87:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #175C4A | 2.66:1 | Fails | Lc 17.0 | Dividers and decoration only |
| #175C4A text on white | 7.87:1 | AAA | Lc 87.0 | Fine for body text |
| #175C4A text on black | 2.66:1 | Fails | Lc -15.1 | Dividers and decoration only |
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
#E2EDE9
oklch(93.7% 0.013 172.4)
-
Step 200
200
#CADFD7
oklch(88.6% 0.025 170.9)
-
Step 300
300
#A6CABD
oklch(80.9% 0.043 171.3)
-
Step 400
400
#73AF9B
oklch(70.7% 0.069 171.3)
-
Step 500
500
#4A9B83
oklch(63.2% 0.088 171.6)
-
Step 600
600
#26856C
oklch(55.5% 0.095 171.4)
-
Step 700
700
#16715A
oklch(49.2% 0.089 171)
-
Step 800
800 (this color)
#175C4A
oklch(42.7% 0.074 171.5)
-
Step 900
900
#1B4B3E
oklch(37.6% 0.057 172.5)
-
Step 950
950
#122C24
oklch(27% 0.036 171.2)
#175C4A 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) | #595549 | 0.076 |
| Deuteranopia (no green cones) | #504F4B | 0.072 |
| Tritanopia (no blue cones) | #005D57 | 0.021 |
| Achromatopsia (no color) | #515151 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175C4A
#175C4A
oklch(42.7% 0.074 171.5)
- #6E3D54
#6E3D54
oklch(42.8% 0.075 351.2)
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 #175C4A, 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
- Spruce #0A5F38 ΔE 0.034
- Pine #2B5D34 ΔE 0.035
- Dark Blue Green #005249 ΔE 0.037
- Deep Teal #00555A ΔE 0.042
- Dark Slate Gray #2F4F4F ΔE 0.049
- Petrol #005F6A ΔE 0.051
- Dark Teal #014D4E ΔE 0.056
Use #175C4A 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.