#2DA5B0
Closest named color: Turquoise Blue (#06B1C4). oklch(66.3% 0.102 204.2), rgb(45, 165, 176).
Aa
Black text reads best on this color (7.12:1).
About this color
#2DA5B0 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 66%, its chroma 0.102 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.038 away. Black text reads best on it, at 7.12:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.12:1 |
| White text | 2.94:1 |
Values
| HEX | #2DA5B0 |
| RGB | rgb(45, 165, 176) |
| HSL | hsl(185, 59%, 43%) |
| OKLCH | oklch(66.3% 0.102 204.2) |
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 #2DA5B0 | 2.94:1 | Fails | Lc -60.9 | Content text, not long reading |
| Black text on #2DA5B0 | 7.12:1 | AAA | Lc 48.4 | Large or bold text, headings |
| #2DA5B0 text on white | 2.94:1 | Fails | Lc 55.6 | Large or bold text, headings |
| #2DA5B0 text on black | 7.12:1 | AAA | Lc -46.2 | 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
#DFEDEE
oklch(93.6% 0.015 202)
-
Step 200
200
#C5DFE2
oklch(88.5% 0.028 205.1)
-
Step 300
300
#9BCBD0
oklch(81% 0.051 204.2)
-
Step 400
400
#5FAFB8
oklch(70.7% 0.08 205)
-
Step 500
500 (this color)
#2DA5B0
oklch(66.3% 0.102 204.2)
-
Step 600
600
#00838D
oklch(55.6% 0.095 204.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#052C30
oklch(26.9% 0.042 205.1)
#2DA5B0 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) | #979EB1 | 0.101 |
| Deuteranopia (no green cones) | #8590B0 | 0.094 |
| Tritanopia (no blue cones) | #00ACA8 | 0.029 |
| Achromatopsia (no color) | #969696 | 0.103 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2DA5B0
#2DA5B0
oklch(66.3% 0.102 204.2)
- #CA7974
#CA7974
oklch(66.2% 0.102 24)
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 #2DA5B0, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.038
- Cadet Blue #5F9EA0 ΔE 0.038
- Light Sea Green #20B2AA ΔE 0.042
- Sea #3C9992 ΔE 0.048
- Persian Green #2A9D8F ΔE 0.050
- Dull Teal #5F9E8F ΔE 0.052
- Blue Green #0F9B8E ΔE 0.056
- Grey Teal #5E9B8A ΔE 0.058
Use #2DA5B0 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.