#2D8581
Closest named color: Dark Cyan (#008B8B). oklch(56.4% 0.082 190.8), rgb(45, 133, 129).
Aa
Black text reads best on this color (4.78:1).
About this color
#2D8581 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 56%, its chroma 0.082 and its hue 191°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.021 away. Black text reads best on it, at 4.78:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.082) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.78:1 |
| White text | 4.39:1 |
Values
| HEX | #2D8581 |
| RGB | rgb(45, 133, 129) |
| HSL | hsl(177, 49%, 35%) |
| OKLCH | oklch(56.4% 0.082 190.8) |
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 #2D8581 | 4.39:1 | AA large text | Lc -75.6 | Fine for body text |
| Black text on #2D8581 | 4.78:1 | AA | Lc 33.9 | Non-text elements, placeholder text |
| #2D8581 text on white | 4.39:1 | AA large text | Lc 70.2 | Content text, not long reading |
| #2D8581 text on black | 4.78:1 | AA | Lc -31.5 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F2F6F6
oklch(97% 0.004 197.1)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDC
oklch(88.6% 0.02 189.2)
-
Step 300
300
#A6C9C6
oklch(81% 0.038 190)
-
Step 400
400
#74ADA9
oklch(70.7% 0.06 190.3)
-
Step 500
500
#4C9894
oklch(63% 0.076 190.9)
-
Step 600
600 (this color)
#2D8581
oklch(56.4% 0.082 190.8)
-
Step 700
700
#1B6E6B
oklch(49% 0.076 191.4)
-
Step 800
800
#1A5A57
oklch(42.7% 0.063 190.6)
-
Step 900
900
#1D4A48
oklch(37.7% 0.049 191.3)
-
Step 950
950
#122B2A
oklch(26.9% 0.031 192.1)
#2D8581 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) | #7D7E81 | 0.087 |
| Deuteranopia (no green cones) | #707482 | 0.082 |
| Tritanopia (no blue cones) | #008984 | 0.017 |
| Achromatopsia (no color) | #787878 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2D8581
#2D8581
oklch(56.4% 0.082 190.8)
- #A0616A
#A0616A
oklch(56.5% 0.082 10.8)
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 #2D8581, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.021
- Teal #008080 ΔE 0.024
- Bluegreen #017A79 ΔE 0.041
- Teal Green #0A9396 ΔE 0.044
- Dusty Teal #4C9085 ΔE 0.044
- Teal Blue #01889F ΔE 0.045
- Deep Aqua #08787F ΔE 0.046
- Ocean #017B92 ΔE 0.050
Use #2D8581 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.