#3FBFC4
Closest named color: Topaz (#13BBAF). oklch(73.8% 0.109 198.8), rgb(63, 191, 196).
Aa
Black text reads best on this color (9.46:1).
About this color
#3FBFC4 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 74%, its chroma 0.109 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.037 away. Black text reads best on it, at 9.46:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (74%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 9.46:1 |
| White text | 2.21:1 |
Values
| HEX | #3FBFC4 |
| RGB | rgb(63, 191, 196) |
| HSL | hsl(182, 53%, 51%) |
| OKLCH | oklch(73.8% 0.109 198.8) |
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 #3FBFC4 | 2.21:1 | Fails | Lc -48.1 | Large or bold text, headings |
| Black text on #3FBFC4 | 9.46:1 | AAA | Lc 60.6 | Content text, not long reading |
| #3FBFC4 text on white | 2.21:1 | Fails | Lc 43.4 | Non-text elements, placeholder text |
| #3FBFC4 text on black | 9.46:1 | AAA | Lc -58.8 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEEF
oklch(93.6% 0.019 200.9)
-
Step 200
200
#BDE1E2
oklch(88.4% 0.038 198.6)
-
Step 300
300
#8BCFD1
oklch(81% 0.069 198.2)
-
Step 400
400 (this color)
#3FBFC4
oklch(73.8% 0.109 198.8)
-
Step 500
500
#009DA2
oklch(63.2% 0.107 198.8)
-
Step 600
600
#008488
oklch(55.7% 0.095 198.5)
-
Step 700
700
#006F72
oklch(49.2% 0.084 198.1)
-
Step 800
800
#005B5E
oklch(42.8% 0.073 198.7)
-
Step 900
900
#004C4E
oklch(37.8% 0.064 197.8)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#3FBFC4 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) | #B2B6C5 | 0.113 |
| Deuteranopia (no green cones) | #9EA8C5 | 0.104 |
| Tritanopia (no blue cones) | #00C6C0 | 0.027 |
| Achromatopsia (no color) | #AEAEAE | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FBFC4
#3FBFC4
oklch(73.8% 0.109 198.8)
- #E78D8F
#E78D8F
oklch(73.8% 0.11 18.6)
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 #3FBFC4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.037
- Dark Turquoise #00CED1 ΔE 0.041
- Turquoise Blue #06B1C4 ΔE 0.047
- Medium Turquoise #48D1CC ΔE 0.051
- Light Sea Green #20B2AA ΔE 0.051
- Vivid Sky Blue #4CC9F0 ΔE 0.066
- Greeny Blue #42B395 ΔE 0.067
- Medium Aquamarine #66CDAA ΔE 0.068
Use #3FBFC4 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.