#3FE3F1
Closest named color: Aqua Blue (#02D8E9). oklch(84% 0.13 203.6), rgb(63, 227, 241).
Aa
Black text reads best on this color (13.46:1).
About this color
#3FE3F1 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.130 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.036 away. Black text reads best on it, at 13.46:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.130) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.46:1 |
| White text | 1.55:1 |
Values
| HEX | #3FE3F1 |
| RGB | rgb(63, 227, 241) |
| HSL | hsl(185, 86%, 60%) |
| OKLCH | oklch(84% 0.13 203.6) |
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 #3FE3F1 | 1.55:1 | Fails | Lc -28.5 | Dividers and decoration only |
| Black text on #3FE3F1 | 13.46:1 | AAA | Lc 78.6 | Fine for body text |
| #3FE3F1 text on white | 1.55:1 | Fails | Lc 25.2 | Dividers and decoration only |
| #3FE3F1 text on black | 13.46:1 | AAA | Lc -77.9 | Fine for body text |
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
#E9F9FB
oklch(97.1% 0.017 205.8)
-
Step 100
100
#CEF2F5
oklch(93.6% 0.038 202.7)
-
Step 200
200
#9FE8EF
oklch(88.5% 0.073 203.5)
-
Step 300
300 (this color)
#3FE3F1
oklch(84% 0.13 203.6)
-
Step 400
400
#00B6C2
oklch(70.7% 0.12 203.2)
-
Step 500
500
#009CA7
oklch(63.1% 0.108 203.6)
-
Step 600
600
#00838C
oklch(55.6% 0.095 203.3)
-
Step 700
700
#006E76
oklch(49.1% 0.084 203.6)
-
Step 800
800
#005A61
oklch(42.6% 0.073 204)
-
Step 900
900
#004B51
oklch(37.6% 0.064 204)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#3FE3F1 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) | #D1D9F2 | 0.130 |
| Deuteranopia (no green cones) | #B8C7F2 | 0.120 |
| Tritanopia (no blue cones) | #00ECE7 | 0.034 |
| Achromatopsia (no color) | #CFCFCF | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FE3F1
#3FE3F1
oklch(84% 0.13 203.6)
- #FFB5AF
#FFB5AF
oklch(84.1% 0.087 24.3)
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 #3FE3F1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.036
- Robin's Egg #6DEDFD ΔE 0.043
- Turquoise #40E0D0 ΔE 0.046
- Bright Light Blue #26F7FD ΔE 0.052
- Medium Turquoise #48D1CC ΔE 0.061
- Bright Aqua #0BF9EA ΔE 0.065
- Sky Blue #87CEEB ΔE 0.068
- Robin Egg Blue #8AF1FE ΔE 0.068
Use #3FE3F1 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.