#3ADFFF
Closest named color: Aqua Blue (#02D8E9). oklch(83.5% 0.136 214.3), rgb(58, 223, 255).
Aa
Black text reads best on this color (13.17:1).
About this color
#3ADFFF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 84%, its chroma 0.136 and its hue 214°. Its hue sits on the cool side of the wheel. The nearest named color is Aqua Blue (#02D8E9), ΔE 0.038 away. Black text reads best on it, at 13.17:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.136) |
| Temperature | cool |
| Nearest name | Aqua Blue (#02D8E9) |
| Black text | 13.17:1 |
| White text | 1.59:1 |
Values
| HEX | #3ADFFF |
| RGB | rgb(58, 223, 255) |
| HSL | hsl(190, 100%, 61%) |
| OKLCH | oklch(83.5% 0.136 214.3) |
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 #3ADFFF | 1.59:1 | Fails | Lc -29.8 | Dividers and decoration only |
| Black text on #3ADFFF | 13.17:1 | AAA | Lc 77.4 | Fine for body text |
| #3ADFFF text on white | 1.59:1 | Fails | Lc 26.4 | Dividers and decoration only |
| #3ADFFF text on black | 13.17:1 | AAA | Lc -76.6 | 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
#E9F9FD
oklch(97.1% 0.018 214.4)
-
Step 100
100
#CDF1FA
oklch(93.5% 0.039 214.5)
-
Step 200
200
#9EE7F8
oklch(88.6% 0.076 213.9)
-
Step 300
300 (this color)
#3ADFFF
oklch(83.5% 0.136 214.3)
-
Step 400
400
#00B4D0
oklch(70.8% 0.124 214)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008196
oklch(55.5% 0.098 214.4)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#3ADFFF 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) | #C8D8FF | 0.121 |
| Deuteranopia (no green cones) | #AEC5FF | 0.109 |
| Tritanopia (no blue cones) | #00EBE9 | 0.054 |
| Achromatopsia (no color) | #CDCDCD | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #3ADFFF
#3ADFFF
oklch(83.5% 0.136 214.3)
- #FFB4A1
#FFB4A1
oklch(83.6% 0.092 34.8)
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 #3ADFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Aqua Blue #02D8E9 ΔE 0.038
- Robin's Egg #6DEDFD ΔE 0.052
- Bright Sky Blue #02CCFE ΔE 0.057
- Vivid Sky Blue #4CC9F0 ΔE 0.058
- Sky Blue #87CEEB ΔE 0.061
- Light Sky Blue #87CEFA ΔE 0.062
- Lightblue #7BC8F6 ΔE 0.066
- Bright Light Blue #26F7FD ΔE 0.067
Use #3ADFFF 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.