#3AAFCF
Closest named color: Turquoise Blue (#06B1C4). oklch(70.3% 0.111 220.1), rgb(58, 175, 207).
Aa
Black text reads best on this color (8.21:1).
About this color
#3AAFCF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.111 and its hue 220°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.026 away. Black text reads best on it, at 8.21:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.111) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #3AAFCF |
| RGB | rgb(58, 175, 207) |
| HSL | hsl(193, 61%, 52%) |
| OKLCH | oklch(70.3% 0.111 220.1) |
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 #3AAFCF | 2.55:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #3AAFCF | 8.21:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #3AAFCF text on white | 2.55:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #3AAFCF text on black | 8.21:1 | AAA | Lc -52.2 | 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 400.
-
Step 50
50
#EFF7FA
oklch(97.1% 0.009 222.1)
-
Step 100
100
#DCEDF3
oklch(93.5% 0.02 220.9)
-
Step 200
200
#BEE0EB
oklch(88.6% 0.039 219.3)
-
Step 300
300
#8DCCE0
oklch(81% 0.07 219.7)
-
Step 400
400 (this color)
#3AAFCF
oklch(70.3% 0.111 220.1)
-
Step 500
500
#0099B9
oklch(63.1% 0.115 219.7)
-
Step 600
600
#00809C
oklch(55.5% 0.101 220.3)
-
Step 700
700
#006C84
oklch(49.2% 0.09 220.2)
-
Step 800
800
#00586C
oklch(42.6% 0.078 220.2)
-
Step 900
900
#004A5B
oklch(37.8% 0.069 219.8)
-
Step 950
950
#002C37
oklch(27.1% 0.049 219.4)
#3AAFCF 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) | #9BAAD1 | 0.092 |
| Deuteranopia (no green cones) | #879BCF | 0.083 |
| Tritanopia (no blue cones) | #00B9B9 | 0.053 |
| Achromatopsia (no color) | #A2A2A2 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3AAFCF
#3AAFCF
oklch(70.3% 0.111 220.1)
- #DA8769
#DA8769
oklch(70.4% 0.111 40.6)
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 #3AAFCF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.026
- Greyblue #77A1B5 ΔE 0.061
- Light Sea Green #20B2AA ΔE 0.062
- Topaz #13BBAF ΔE 0.069
- Cadet Blue #5F9EA0 ΔE 0.072
- Bluegrey #85A3B2 ΔE 0.072
- Deep Sky Blue #00BFFF ΔE 0.072
- Bluey Grey #89A0B0 ΔE 0.079
Use #3AAFCF 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.