#3FC5BD
Closest named color: Dark Turquoise (#00CED1). oklch(75.1% 0.114 189.2), rgb(63, 197, 189).
Aa
Black text reads best on this color (9.93:1).
About this color
#3FC5BD is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.114 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Turquoise (#00CED1), ΔE 0.032 away. Black text reads best on it, at 9.93:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Dark Turquoise (#00CED1) |
| Black text | 9.93:1 |
| White text | 2.11:1 |
Values
| HEX | #3FC5BD |
| RGB | rgb(63, 197, 189) |
| HSL | hsl(176, 54%, 51%) |
| OKLCH | oklch(75.1% 0.114 189.2) |
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 #3FC5BD | 2.11:1 | Fails | Lc -45.7 | Large or bold text, headings |
| Black text on #3FC5BD | 9.93:1 | AAA | Lc 62.9 | Content text, not long reading |
| #3FC5BD text on white | 2.11:1 | Fails | Lc 41.1 | Non-text elements, placeholder text |
| #3FC5BD text on black | 9.93:1 | AAA | Lc -61.2 | 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 400.
-
Step 50
50
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEFED
oklch(93.7% 0.021 189.6)
-
Step 200
200
#BDE2DE
oklch(88.5% 0.039 188.5)
-
Step 300
300
#8AD0CA
oklch(81% 0.071 189)
-
Step 400
400 (this color)
#3FC5BD
oklch(75.1% 0.114 189.2)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#3FC5BD 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) | #BABBBD | 0.120 |
| Deuteranopia (no green cones) | #A6ACBE | 0.113 |
| Tritanopia (no blue cones) | #00CAC2 | 0.018 |
| Achromatopsia (no color) | #B2B2B2 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FC5BD
#3FC5BD
oklch(75.1% 0.114 189.2)
- #EC8F9F
#EC8F9F
oklch(75.1% 0.114 9.1)
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 #3FC5BD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Turquoise #00CED1 ΔE 0.032
- Medium Turquoise #48D1CC ΔE 0.037
- Topaz #13BBAF ΔE 0.038
- Medium Aquamarine #66CDAA ΔE 0.048
- Pale Teal #82CBB2 ΔE 0.058
- Seafoam Blue #78D1B6 ΔE 0.059
- Light Sea Green #20B2AA ΔE 0.059
- Greeny Blue #42B395 ΔE 0.065
Use #3FC5BD 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.