#4BC4F5
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(77.3% 0.127 228.8), rgb(75, 196, 245).
Aa
Black text reads best on this color (10.51:1).
About this color
#4BC4F5 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 77%, its chroma 0.127 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.018 away. Black text reads best on it, at 10.51:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (77%) |
| Chroma | moderately saturated (0.127) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 10.51:1 |
| White text | 1.99:1 |
Values
| HEX | #4BC4F5 |
| RGB | rgb(75, 196, 245) |
| HSL | hsl(197, 89%, 63%) |
| OKLCH | oklch(77.3% 0.127 228.8) |
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 #4BC4F5 | 1.99:1 | Fails | Lc -42.8 | Non-text elements, placeholder text |
| Black text on #4BC4F5 | 10.51:1 | AAA | Lc 65.6 | Content text, not long reading |
| #4BC4F5 text on white | 1.99:1 | Fails | Lc 38.3 | Non-text elements, placeholder text |
| #4BC4F5 text on black | 10.51:1 | AAA | Lc -64.1 | 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 300.
-
Step 50
50
#EAF8FF
oklch(97.1% 0.018 229)
-
Step 100
100
#D2EFFE
oklch(93.6% 0.037 230.2)
-
Step 200
200
#A9E3FE
oklch(88.5% 0.07 228.3)
-
Step 300
300 (this color)
#4BC4F5
oklch(77.3% 0.127 228.8)
-
Step 400
400
#00B0E5
oklch(70.8% 0.139 228.7)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#4BC4F5 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) | #ABC1F7 | 0.091 |
| Deuteranopia (no green cones) | #93B0F4 | 0.078 |
| Tritanopia (no blue cones) | #00D2D4 | 0.074 |
| Achromatopsia (no color) | #B7B7B7 | 0.127 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4BC4F5
#4BC4F5
oklch(77.3% 0.127 228.8)
- #F69B6A
#F69B6A
oklch(77.2% 0.127 48.5)
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 #4BC4F5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.018
- Bright Sky Blue #02CCFE ΔE 0.027
- Deep Sky Blue #00BFFF ΔE 0.033
- Lightblue #7BC8F6 ΔE 0.040
- Sky #82CAFC ΔE 0.050
- Light Sky Blue #87CEFA ΔE 0.060
- Sky Blue #87CEEB ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.063
Use #4BC4F5 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.