#2CA4A3
Closest named color: Persian Green (#2A9D8F). oklch(65.6% 0.101 194.1), rgb(44, 164, 163).
Aa
Black text reads best on this color (6.94:1).
About this color
#2CA4A3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.101 and its hue 194°. Its hue sits on the cool side of the wheel. The nearest named color is Persian Green (#2A9D8F), ΔE 0.032 away. Black text reads best on it, at 6.94:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Persian Green (#2A9D8F) |
| Black text | 6.94:1 |
| White text | 3.02:1 |
Values
| HEX | #2CA4A3 |
| RGB | rgb(44, 164, 163) |
| HSL | hsl(179, 58%, 41%) |
| OKLCH | oklch(65.6% 0.101 194.1) |
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 #2CA4A3 | 3.02:1 | AA large text | Lc -62.0 | Content text, not long reading |
| Black text on #2CA4A3 | 6.94:1 | AA | Lc 47.4 | Large or bold text, headings |
| #2CA4A3 text on white | 3.02:1 | AA large text | Lc 56.6 | Large or bold text, headings |
| #2CA4A3 text on black | 6.94:1 | AA | Lc -45.2 | Large or bold text, headings |
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 500.
-
Step 50
50
#F1F7F7
oklch(97.2% 0.006 197.1)
-
Step 100
100
#E0EDED
oklch(93.6% 0.014 196.9)
-
Step 200
200
#C5DFDE
oklch(88.4% 0.028 193.8)
-
Step 300
300
#9CCBCA
oklch(80.9% 0.049 194.6)
-
Step 400
400
#60B0AF
oklch(70.6% 0.079 194.5)
-
Step 500
500 (this color)
#2CA4A3
oklch(65.6% 0.101 194.1)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#062D2C
oklch(27.1% 0.042 192.4)
#2CA4A3 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) | #999CA3 | 0.106 |
| Deuteranopia (no green cones) | #888FA4 | 0.099 |
| Tritanopia (no blue cones) | #00A9A3 | 0.017 |
| Achromatopsia (no color) | #949494 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2CA4A3
#2CA4A3
oklch(65.6% 0.101 194.1)
- #C7767E
#C7767E
oklch(65.6% 0.102 13.9)
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 #2CA4A3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Persian Green #2A9D8F ΔE 0.032
- Sea #3C9992 ΔE 0.034
- Cadet Blue #5F9EA0 ΔE 0.037
- Light Sea Green #20B2AA ΔE 0.039
- Blue Green #0F9B8E ΔE 0.040
- Dull Teal #5F9E8F ΔE 0.041
- Grey Teal #5E9B8A ΔE 0.045
- Turquoise Blue #06B1C4 ΔE 0.052
Use #2CA4A3 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.