#3FD8BC
Closest named color: Turquoise (#40E0D0). oklch(79.7% 0.132 177.6), rgb(63, 216, 188).
Aa
Black text reads best on this color (11.75:1).
About this color
#3FD8BC is a light, moderately saturated teal or cyan. In OKLCH its lightness is 80%, its chroma 0.132 and its hue 178°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise (#40E0D0), ΔE 0.031 away. Black text reads best on it, at 11.75:1.
| Hue family | Teals and cyans |
| Lightness | light (80%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Turquoise (#40E0D0) |
| Black text | 11.75:1 |
| White text | 1.78:1 |
Values
| HEX | #3FD8BC |
| RGB | rgb(63, 216, 188) |
| HSL | hsl(169, 66%, 55%) |
| OKLCH | oklch(79.7% 0.132 177.6) |
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 #3FD8BC | 1.78:1 | Fails | Lc -36.6 | Non-text elements, placeholder text |
| Black text on #3FD8BC | 11.75:1 | AAA | Lc 71.3 | Content text, not long reading |
| #3FD8BC text on white | 1.78:1 | Fails | Lc 32.6 | Non-text elements, placeholder text |
| #3FD8BC text on black | 11.75:1 | AAA | Lc -70.1 | Content text, not long reading |
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 300.
-
Step 50
50
#EAFAF5
oklch(97.2% 0.018 175.3)
-
Step 100
100
#D0F3EA
oklch(93.7% 0.038 178.2)
-
Step 200
200
#A4EAD9
oklch(88.6% 0.074 177.7)
-
Step 300
300 (this color)
#3FD8BC
oklch(79.7% 0.132 177.6)
-
Step 400
400
#00BAA0
oklch(70.6% 0.13 177.9)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
Step 800
800
#005D4F
oklch(42.8% 0.079 177.8)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#3FD8BC 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) | #CFCBBB | 0.138 |
| Deuteranopia (no green cones) | #BBBBBE | 0.133 |
| Tritanopia (no blue cones) | #00DBD0 | 0.027 |
| Achromatopsia (no color) | #C2C2C2 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FD8BC
#3FD8BC
oklch(79.7% 0.132 177.6)
- #FF98BD
#FF98BD
oklch(79.6% 0.13 357.5)
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 #3FD8BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise #40E0D0 ΔE 0.031
- Medium Aquamarine #66CDAA ΔE 0.035
- Medium Turquoise #48D1CC ΔE 0.035
- Seafoam Blue #78D1B6 ΔE 0.038
- Emerald #06D6A0 ΔE 0.044
- Aqua Marine #2EE8BB ΔE 0.046
- Dark Turquoise #00CED1 ΔE 0.050
- Pale Teal #82CBB2 ΔE 0.053
Use #3FD8BC 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.