#4FBCEA
Closest named color: Vivid Sky Blue (#4CC9F0). oklch(75.1% 0.118 229.3), rgb(79, 188, 234).
Aa
Black text reads best on this color (9.71:1).
About this color
#4FBCEA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 75%, its chroma 0.118 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Vivid Sky Blue (#4CC9F0), ΔE 0.035 away. Black text reads best on it, at 9.71:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.118) |
| Temperature | cool |
| Nearest name | Vivid Sky Blue (#4CC9F0) |
| Black text | 9.71:1 |
| White text | 2.16:1 |
Values
| HEX | #4FBCEA |
| RGB | rgb(79, 188, 234) |
| HSL | hsl(198, 79%, 61%) |
| OKLCH | oklch(75.1% 0.118 229.3) |
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 #4FBCEA | 2.16:1 | Fails | Lc -46.9 | Large or bold text, headings |
| Black text on #4FBCEA | 9.71:1 | AAA | Lc 61.8 | Content text, not long reading |
| #4FBCEA text on white | 2.16:1 | Fails | Lc 42.2 | Non-text elements, placeholder text |
| #4FBCEA text on black | 9.71:1 | AAA | Lc -60.0 | 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
#EFF7FB
oklch(97.1% 0.01 228.9)
-
Step 100
100
#DCEDF6
oklch(93.6% 0.022 230.5)
-
Step 200
200
#BEDFEF
oklch(88.5% 0.041 228.7)
-
Step 300
300
#8ECAE7
oklch(80.8% 0.074 229.6)
-
Step 400
400 (this color)
#4FBCEA
oklch(75.1% 0.118 229.3)
-
Step 500
500
#0096C5
oklch(63% 0.125 229.4)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#4FBCEA 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) | #A4B9EC | 0.083 |
| Deuteranopia (no green cones) | #8FA9E9 | 0.073 |
| Tritanopia (no blue cones) | #00C9CB | 0.072 |
| Achromatopsia (no color) | #B0B0B0 | 0.119 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FBCEA
#4FBCEA
oklch(75.1% 0.118 229.3)
- #EB9768
#EB9768
oklch(75.2% 0.119 49.4)
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 #4FBCEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Vivid Sky Blue #4CC9F0 ΔE 0.035
- Deep Sky Blue #00BFFF ΔE 0.036
- Bright Sky Blue #02CCFE ΔE 0.046
- Lightblue #7BC8F6 ΔE 0.054
- Carolina Blue #8AB8FE ΔE 0.064
- Sky #82CAFC ΔE 0.065
- Turquoise Blue #06B1C4 ΔE 0.070
- Sky Blue #87CEEB ΔE 0.074
Use #4FBCEA 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.