#4FACD3
Closest named color: Turquoise Blue (#06B1C4). oklch(70.4% 0.104 228.5), rgb(79, 172, 211).
Aa
Black text reads best on this color (8.17:1).
About this color
#4FACD3 is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 70%, its chroma 0.104 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.042 away. Black text reads best on it, at 8.17:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 8.17:1 |
| White text | 2.56:1 |
Values
| HEX | #4FACD3 |
| RGB | rgb(79, 172, 211) |
| HSL | hsl(198, 60%, 57%) |
| OKLCH | oklch(70.4% 0.104 228.5) |
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 #4FACD3 | 2.56:1 | Fails | Lc -55.1 | Large or bold text, headings |
| Black text on #4FACD3 | 8.17:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #4FACD3 text on white | 2.56:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #4FACD3 text on black | 8.17:1 | AAA | Lc -51.9 | Large or bold text, headings |
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
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DEEDF4
oklch(93.7% 0.019 227.3)
-
Step 200
200
#C1DEEC
oklch(88.4% 0.036 228.5)
-
Step 300
300
#94C9E2
oklch(80.8% 0.065 228.7)
-
Step 400
400 (this color)
#4FACD3
oklch(70.4% 0.104 228.5)
-
Step 500
500
#0097C4
oklch(63.2% 0.123 228.1)
-
Step 600
600
#007FA6
oklch(55.7% 0.109 228.5)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004860
oklch(37.5% 0.074 228.7)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#4FACD3 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) | #98A9D5 | 0.076 |
| Deuteranopia (no green cones) | #859CD2 | 0.065 |
| Tritanopia (no blue cones) | #00B7B9 | 0.064 |
| Achromatopsia (no color) | #A1A1A1 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FACD3
#4FACD3
oklch(70.4% 0.104 228.5)
- #D58B64
#D58B64
oklch(70.4% 0.105 48.3)
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 #4FACD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.042
- Greyblue #77A1B5 ΔE 0.053
- Bluegrey #85A3B2 ΔE 0.065
- Bluey Grey #89A0B0 ΔE 0.071
- Deep Sky Blue #00BFFF ΔE 0.071
- Cadet Blue #5F9EA0 ΔE 0.074
- Light Sea Green #20B2AA ΔE 0.076
- Vivid Sky Blue #4CC9F0 ΔE 0.081
Use #4FACD3 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.