#2D7171
Closest named color: Deep Turquoise (#017374). oklch(50.6% 0.068 195.2), rgb(45, 113, 113).
Aa
White text reads best on this color (5.65:1).
About this color
#2D7171 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 51%, its chroma 0.068 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Turquoise (#017374), ΔE 0.018 away. White text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | muted (0.068) |
| Temperature | cool |
| Nearest name | Deep Turquoise (#017374) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #2D7171 |
| RGB | rgb(45, 113, 113) |
| HSL | hsl(180, 43%, 31%) |
| OKLCH | oklch(50.6% 0.068 195.2) |
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 #2D7171 | 5.65:1 | AA | Lc -83.4 | Fine for body text |
| Black text on #2D7171 | 3.71:1 | AA large text | Lc 26.0 | Dividers and decoration only |
| #2D7171 text on white | 5.65:1 | AA | Lc 78.1 | Fine for body text |
| #2D7171 text on black | 3.71:1 | AA large text | Lc -23.7 | 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 700.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E3ECEC
oklch(93.6% 0.01 197)
-
Step 200
200
#CCDDDD
oklch(88.5% 0.018 196.8)
-
Step 300
300
#A9C8C7
oklch(81% 0.033 194.1)
-
Step 400
400
#7AABAB
oklch(70.7% 0.052 196)
-
Step 500
500
#559696
oklch(63% 0.067 195.6)
-
Step 600
600
#378181
oklch(55.7% 0.073 195.3)
-
Step 700
700 (this color)
#2D7171
oklch(50.6% 0.068 195.2)
-
Step 800
800
#235959
oklch(42.8% 0.057 195.2)
-
Step 900
900
#224949
oklch(37.7% 0.044 195.4)
-
Step 950
950
#152B2B
oklch(27.1% 0.028 195.6)
#2D7171 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) | #6A6C71 | 0.071 |
| Deuteranopia (no green cones) | #5F6472 | 0.066 |
| Tritanopia (no blue cones) | #007471 | 0.020 |
| Achromatopsia (no color) | #676767 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D7171
#2D7171
oklch(50.6% 0.068 195.2)
- #875558
#875558
oklch(50.6% 0.067 15.8)
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 #2D7171, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Turquoise #017374 ΔE 0.018
- Dark Aquamarine #017371 ΔE 0.019
- Deep Aqua #08787F ΔE 0.027
- Bluegreen #017A79 ΔE 0.029
- Dark Aqua #05696B ΔE 0.035
- Teal #008080 ΔE 0.045
- Slate #516572 ΔE 0.050
- Ocean #017B92 ΔE 0.052
Use #2D7171 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.