#2A8879
Closest named color: Dark Cyan (#008B8B). oklch(56.8% 0.089 180.1), rgb(42, 136, 121).
Aa
Black text reads best on this color (4.89:1).
About this color
#2A8879 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 57%, its chroma 0.089 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Cyan (#008B8B), ΔE 0.027 away. Black text reads best on it, at 4.89:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Dark Cyan (#008B8B) |
| Black text | 4.89:1 |
| White text | 4.28:1 |
Values
| HEX | #2A8879 |
| RGB | rgb(42, 136, 121) |
| HSL | hsl(170, 53%, 35%) |
| OKLCH | oklch(56.8% 0.089 180.1) |
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 #2A8879 | 4.28:1 | AA large text | Lc -74.8 | Content text, not long reading |
| Black text on #2A8879 | 4.89:1 | AA | Lc 34.7 | Non-text elements, placeholder text |
| #2A8879 text on white | 4.28:1 | AA large text | Lc 69.4 | Content text, not long reading |
| #2A8879 text on black | 4.89:1 | AA | Lc -32.3 | 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
#F2F7F5
oklch(97.2% 0.006 170.4)
-
Step 100
100
#E2ECEA
oklch(93.5% 0.011 182.9)
-
Step 200
200
#CADEDA
oklch(88.5% 0.022 182.5)
-
Step 300
300
#A5CAC1
oklch(81% 0.041 178.8)
-
Step 400
400
#73AEA2
oklch(70.7% 0.064 180.2)
-
Step 500
500
#4A9A8B
oklch(63.1% 0.082 179.6)
-
Step 600
600 (this color)
#2A8879
oklch(56.8% 0.089 180.1)
-
Step 700
700
#157063
oklch(49.2% 0.083 180.5)
-
Step 800
800
#165B50
oklch(42.6% 0.069 179.8)
-
Step 900
900
#1B4B43
oklch(37.7% 0.054 180.6)
-
Step 950
950
#112C27
oklch(27% 0.035 179.9)
#2A8879 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) | #828078 | 0.094 |
| Deuteranopia (no green cones) | #75767A | 0.090 |
| Tritanopia (no blue cones) | #008A83 | 0.017 |
| Achromatopsia (no color) | #7A7A7A | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A8879
#2A8879
oklch(56.8% 0.089 180.1)
- #A26075
#A26075
oklch(56.9% 0.089 359.8)
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 #2A8879, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Cyan #008B8B ΔE 0.027
- Teal #008080 ΔE 0.035
- Dusty Teal #4C9085 ΔE 0.041
- Viridian #1E9167 ΔE 0.045
- Teal Green #0A9396 ΔE 0.046
- Bluegreen #017A79 ΔE 0.049
- Sea Green #2E8B57 ΔE 0.054
- Blue Green #0F9B8E ΔE 0.056
Use #2A8879 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.