#3AA4BB
Closest named color: Turquoise Blue (#06B1C4). oklch(66.8% 0.1 215.1), rgb(58, 164, 187).
Aa
Black text reads best on this color (7.20:1).
About this color
#3AA4BB is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 67%, its chroma 0.100 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 7.20:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.20:1 |
| White text | 2.91:1 |
Values
| HEX | #3AA4BB |
| RGB | rgb(58, 164, 187) |
| HSL | hsl(191, 53%, 48%) |
| OKLCH | oklch(66.8% 0.1 215.1) |
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 #3AA4BB | 2.91:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #3AA4BB | 7.20:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #3AA4BB text on white | 2.91:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #3AA4BB text on black | 7.20:1 | AAA | Lc -46.6 | 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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E0ECF0
oklch(93.5% 0.014 219.6)
-
Step 200
200
#C6DEE4
oklch(88.5% 0.027 214.4)
-
Step 300
300
#9DC9D4
oklch(80.8% 0.049 214.7)
-
Step 400
400
#63ADBF
oklch(70.6% 0.078 215.2)
-
Step 500
500 (this color)
#3AA4BB
oklch(66.8% 0.1 215.1)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005969
oklch(42.7% 0.076 215.4)
-
Step 900
900
#034A57
oklch(37.7% 0.065 214.8)
-
Step 950
950
#082B33
oklch(26.9% 0.041 216.3)
#3AA4BB 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) | #949FBC | 0.089 |
| Deuteranopia (no green cones) | #8291BB | 0.082 |
| Tritanopia (no blue cones) | #00ADAB | 0.044 |
| Achromatopsia (no color) | #979797 | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3AA4BB
#3AA4BB
oklch(66.8% 0.1 215.1)
- #CA7E6A
#CA7E6A
oklch(66.9% 0.1 35.5)
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 #3AA4BB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Cadet Blue #5F9EA0 ΔE 0.043
- Greyblue #77A1B5 ΔE 0.052
- Light Sea Green #20B2AA ΔE 0.055
- Sea #3C9992 ΔE 0.062
- Dull Teal #5F9E8F ΔE 0.064
- Persian Green #2A9D8F ΔE 0.067
- Bluegrey #85A3B2 ΔE 0.069
Use #3AA4BB 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.