#175C61
Closest named color: Petrol (#005F6A). oklch(43.6% 0.066 202.2), rgb(23, 92, 97).
Aa
White text reads best on this color (7.66:1).
About this color
#175C61 is a dark, muted teal or cyan. In OKLCH its lightness is 44%, its chroma 0.066 and its hue 202°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.015 away. White text reads best on it, at 7.66:1.
| Hue family | Teals and cyans |
| Lightness | dark (44%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.73:1 |
| White text | 7.66:1 |
Values
| HEX | #175C61 |
| RGB | rgb(23, 92, 97) |
| HSL | hsl(184, 62%, 24%) |
| OKLCH | oklch(43.6% 0.066 202.2) |
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 #175C61 | 7.66:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #175C61 | 2.73:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #175C61 text on white | 7.66:1 | AAA | Lc 86.3 | Fine for body text |
| #175C61 text on black | 2.73:1 | Fails | Lc -15.7 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#CADEDF
oklch(88.6% 0.021 200.4)
-
Step 300
300
#A4C8CB
oklch(80.8% 0.039 202.7)
-
Step 400
400
#71ACB1
oklch(70.6% 0.062 202.6)
-
Step 500
500
#47989E
oklch(63.2% 0.079 201.9)
-
Step 600
600
#218289
oklch(55.6% 0.086 202.3)
-
Step 700
700
#106E74
oklch(49.2% 0.08 201.8)
-
Step 800
800 (this color)
#175C61
oklch(43.6% 0.066 202.2)
-
Step 900
900
#1A4A4D
oklch(37.8% 0.051 200.9)
-
Step 950
950
#112B2D
oklch(27% 0.032 202.1)
#175C61 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) | #545861 | 0.066 |
| Deuteranopia (no green cones) | #4A5061 | 0.061 |
| Tritanopia (no blue cones) | #00605D | 0.018 |
| Achromatopsia (no color) | #535353 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #175C61
#175C61
oklch(43.6% 0.066 202.2)
- #724241
#724241
oklch(43.6% 0.067 21.4)
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 #175C61, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.015
- Deep Teal #00555A ΔE 0.027
- Dark Green Blue #1F6357 ΔE 0.033
- Dark Aqua #05696B ΔE 0.040
- Dark Slate Gray #2F4F4F ΔE 0.044
- Dark Blue Green #005249 ΔE 0.049
- Dark Teal #014D4E ΔE 0.055
- YInMn Blue #415A77 ΔE 0.058
Use #175C61 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.