#3FB8AF
Closest named color: Topaz (#13BBAF). oklch(71.4% 0.106 188), rgb(63, 184, 175).
Aa
Black text reads best on this color (8.68:1).
About this color
#3FB8AF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 71%, its chroma 0.106 and its hue 188°. Its hue sits on the cool side of the wheel. The nearest named color is Topaz (#13BBAF), ΔE 0.016 away. Black text reads best on it, at 8.68:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Topaz (#13BBAF) |
| Black text | 8.68:1 |
| White text | 2.41:1 |
Values
| HEX | #3FB8AF |
| RGB | rgb(63, 184, 175) |
| HSL | hsl(176, 49%, 48%) |
| OKLCH | oklch(71.4% 0.106 188) |
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 #3FB8AF | 2.41:1 | Fails | Lc -52.3 | Large or bold text, headings |
| Black text on #3FB8AF | 8.68:1 | AAA | Lc 56.7 | Large or bold text, headings |
| #3FB8AF text on white | 2.41:1 | Fails | Lc 47.3 | Large or bold text, headings |
| #3FB8AF text on black | 8.68:1 | AAA | Lc -54.8 | 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
#EFF7F6
oklch(97% 0.009 188.1)
-
Step 100
100
#DCEEEC
oklch(93.5% 0.019 188.8)
-
Step 200
200
#BFE1DD
oklch(88.4% 0.036 187.8)
-
Step 300
300
#8ECFC8
oklch(80.9% 0.067 187.5)
-
Step 400
400 (this color)
#3FB8AF
oklch(71.4% 0.106 188)
-
Step 500
500
#009E96
oklch(63% 0.109 188.5)
-
Step 600
600
#00857E
oklch(55.6% 0.097 188.3)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D48
oklch(37.8% 0.066 187.3)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#3FB8AF 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) | #AEAEAF | 0.113 |
| Deuteranopia (no green cones) | #9CA1B0 | 0.106 |
| Tritanopia (no blue cones) | #00BCB5 | 0.018 |
| Achromatopsia (no color) | #A7A7A7 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FB8AF
#3FB8AF
oklch(71.4% 0.106 188)
- #DC8696
#DC8696
oklch(71.5% 0.107 8.1)
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 #3FB8AF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Topaz #13BBAF ΔE 0.016
- Light Sea Green #20B2AA ΔE 0.024
- Greeny Blue #42B395 ΔE 0.036
- Turquoise Blue #06B1C4 ΔE 0.046
- Green Blue #01C08D ΔE 0.065
- Dark Turquoise #00CED1 ΔE 0.066
- Tea #65AB7C ΔE 0.069
- Cadet Blue #5F9EA0 ΔE 0.071
Use #3FB8AF 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.