#185D71
Closest named color: Petrol (#005F6A). oklch(44.6% 0.073 221.8), rgb(24, 93, 113).
Aa
White text reads best on this color (7.38:1).
About this color
#185D71 is a dark, moderately saturated teal or cyan. In OKLCH its lightness is 45%, its chroma 0.073 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Petrol (#005F6A), ΔE 0.018 away. White text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.073) |
| Temperature | cool |
| Nearest name | Petrol (#005F6A) |
| Black text | 2.84:1 |
| White text | 7.38:1 |
Values
| HEX | #185D71 |
| RGB | rgb(24, 93, 113) |
| HSL | hsl(193, 65%, 27%) |
| OKLCH | oklch(44.6% 0.073 221.8) |
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 #185D71 | 7.38:1 | AAA | Lc -90.2 | Preferred for body text |
| Black text on #185D71 | 2.84:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #185D71 text on white | 7.38:1 | AAA | Lc 85.4 | Fine for body text |
| #185D71 text on black | 2.84:1 | Fails | Lc -16.7 | 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
#F1F6F8
oklch(97% 0.006 223.5)
-
Step 100
100
#E1ECF0
oklch(93.6% 0.013 221.4)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A3C7D4
oklch(80.8% 0.043 221.8)
-
Step 400
400
#6FABBF
oklch(70.8% 0.069 221)
-
Step 500
500
#4495AF
oklch(63% 0.087 221.9)
-
Step 600
600
#1C7F9B
oklch(55.5% 0.095 222.2)
-
Step 700
700
#096B84
oklch(49% 0.088 221.9)
-
Step 800
800 (this color)
#185D71
oklch(44.6% 0.073 221.8)
-
Step 900
900
#184857
oklch(37.6% 0.057 222.2)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#185D71 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) | #515B72 | 0.059 |
| Deuteranopia (no green cones) | #455271 | 0.052 |
| Tritanopia (no blue cones) | #006363 | 0.036 |
| Achromatopsia (no color) | #565656 | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #185D71
#185D71
oklch(44.6% 0.073 221.8)
- #764633
#764633
oklch(44.6% 0.073 42.2)
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 #185D71, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Petrol #005F6A ΔE 0.018
- YInMn Blue #415A77 ΔE 0.040
- Dark Aqua #05696B ΔE 0.043
- Deep Teal #00555A ΔE 0.045
- Light Navy Blue #2E5A88 ΔE 0.046
- Deep Sea Blue #015482 ΔE 0.046
- Dark Green Blue #1F6357 ΔE 0.053
- Denim #3B638C ΔE 0.057
Use #185D71 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.