#3FF3F4
Closest named color: Bright Light Blue (#26F7FD). oklch(87.9% 0.138 195.5), rgb(63, 243, 244).
Aa
Black text reads best on this color (15.33:1).
About this color
#3FF3F4 is a light, moderately saturated teal or cyan. In OKLCH its lightness is 88%, its chroma 0.138 and its hue 196°. Its hue sits on the cool side of the wheel. The nearest named color is Bright Light Blue (#26F7FD), ΔE 0.014 away. Black text reads best on it, at 15.33:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | moderately saturated (0.138) |
| Temperature | cool |
| Nearest name | Bright Light Blue (#26F7FD) |
| Black text | 15.33:1 |
| White text | 1.36:1 |
Values
| HEX | #3FF3F4 |
| RGB | rgb(63, 243, 244) |
| HSL | hsl(180, 89%, 60%) |
| OKLCH | oklch(87.9% 0.138 195.5) |
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 #3FF3F4 | 1.36:1 | Fails | Lc -20.1 | Dividers and decoration only |
| Black text on #3FF3F4 | 15.33:1 | AAA | Lc 86.1 | Fine for body text |
| #3FF3F4 text on white | 1.36:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #3FF3F4 text on black | 15.33:1 | AAA | Lc -86.0 | 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 200.
-
Step 50
50
#E4FBFA
oklch(97.1% 0.024 193.6)
-
Step 100
100
#C3F5F5
oklch(93.6% 0.051 196.3)
-
Step 200
200 (this color)
#3FF3F4
oklch(87.9% 0.138 195.5)
-
Step 300
300
#00DCDD
oklch(81% 0.138 195.4)
-
Step 400
400
#00B7B8
oklch(70.6% 0.12 195.5)
-
Step 500
500
#009D9E
oklch(63.1% 0.108 195.6)
-
Step 600
600
#008485
oklch(55.6% 0.095 195.7)
-
Step 700
700
#006F70
oklch(49.1% 0.084 195.9)
-
Step 800
800
#005B5C
oklch(42.7% 0.073 196.1)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#3FF3F4 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) | #E3E7F4 | 0.144 |
| Deuteranopia (no green cones) | #C9D4F5 | 0.134 |
| Tritanopia (no blue cones) | #00FBF3 | 0.024 |
| Achromatopsia (no color) | #DCDCDC | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3FF3F4
#3FF3F4
oklch(87.9% 0.138 195.5)
- #FFC7C9
#FFC7C9
oklch(88% 0.064 16.1)
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 #3FF3F4, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bright Light Blue #26F7FD ΔE 0.014
- Bright Aqua #0BF9EA ΔE 0.027
- Bright Cyan #41FDFE ΔE 0.027
- Bright Turquoise #0FFEF9 ΔE 0.029
- Cyan #00FFFF ΔE 0.031
- Robin's Egg #6DEDFD ΔE 0.033
- Robin Egg Blue #8AF1FE ΔE 0.051
- Robin's Egg Blue #98EFF9 ΔE 0.060
Use #3FF3F4 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.