#2DA3AF
Closest named color: Cadet Blue (#5F9EA0). oklch(65.8% 0.101 205.2), rgb(45, 163, 175).
Aa
Black text reads best on this color (6.96:1).
About this color
#2DA3AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.101 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Cadet Blue (#5F9EA0), ΔE 0.038 away. Black text reads best on it, at 6.96:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.101) |
| Temperature | cool |
| Nearest name | Cadet Blue (#5F9EA0) |
| Black text | 6.96:1 |
| White text | 3.01:1 |
Values
| HEX | #2DA3AF |
| RGB | rgb(45, 163, 175) |
| HSL | hsl(186, 59%, 43%) |
| OKLCH | oklch(65.8% 0.101 205.2) |
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 #2DA3AF | 3.01:1 | AA large text | Lc -61.8 | Content text, not long reading |
| Black text on #2DA3AF | 6.96:1 | AA | Lc 47.6 | Large or bold text, headings |
| #2DA3AF text on white | 3.01:1 | AA large text | Lc 56.5 | Large or bold text, headings |
| #2DA3AF text on black | 6.96:1 | AA | Lc -45.3 | 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
#E0EDEE
oklch(93.7% 0.014 202.5)
-
Step 200
200
#C5DFE2
oklch(88.5% 0.028 205.1)
-
Step 300
300
#9CCAD0
oklch(80.8% 0.049 206.1)
-
Step 400
400
#5FAFB8
oklch(70.7% 0.08 205)
-
Step 500
500 (this color)
#2DA3AF
oklch(65.8% 0.101 205.2)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#062C30
oklch(27% 0.041 205.3)
#2DA3AF 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) | #959CB0 | 0.099 |
| Deuteranopia (no green cones) | #838FAF | 0.091 |
| Tritanopia (no blue cones) | #00AAA6 | 0.030 |
| Achromatopsia (no color) | #959595 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2DA3AF
#2DA3AF
oklch(65.8% 0.101 205.2)
- #C87872
#C87872
oklch(65.7% 0.101 24.8)
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 #2DA3AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cadet Blue #5F9EA0 ΔE 0.038
- Turquoise Blue #06B1C4 ΔE 0.043
- Sea #3C9992 ΔE 0.044
- Light Sea Green #20B2AA ΔE 0.047
- Persian Green #2A9D8F ΔE 0.047
- Dull Teal #5F9E8F ΔE 0.052
- Blue Green #0F9B8E ΔE 0.053
- Grey Teal #5E9B8A ΔE 0.057
Use #2DA3AF 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.