#4FACE6
Closest named color: Deep Sky Blue (#00BFFF). oklch(71.3% 0.122 239.1), rgb(79, 172, 230).
Aa
Black text reads best on this color (8.37:1).
About this color
#4FACE6 is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.122 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.056 away. Black text reads best on it, at 8.37:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.122) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #4FACE6 |
| RGB | rgb(79, 172, 230) |
| HSL | hsl(203, 75%, 61%) |
| OKLCH | oklch(71.3% 0.122 239.1) |
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 #4FACE6 | 2.50:1 | Fails | Lc -54.0 | Large or bold text, headings |
| Black text on #4FACE6 | 8.37:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #4FACE6 text on white | 2.50:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #4FACE6 text on black | 8.37:1 | AAA | Lc -53.0 | 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
#F0F7FC
oklch(97.2% 0.01 238.5)
-
Step 100
100
#DDECF7
oklch(93.5% 0.022 239.4)
-
Step 200
200
#C1DEF3
oklch(88.6% 0.042 239.5)
-
Step 300
300
#93C8ED
oklch(80.9% 0.076 239.3)
-
Step 400
400 (this color)
#4FACE6
oklch(71.3% 0.122 239.1)
-
Step 500
500
#0093D5
oklch(63.1% 0.142 238.9)
-
Step 600
600
#007BB4
oklch(55.5% 0.126 239.3)
-
Step 700
700
#006898
oklch(49.2% 0.11 238.7)
-
Step 800
800
#00557E
oklch(42.8% 0.097 239.2)
-
Step 900
900
#004769
oklch(37.8% 0.084 238.3)
-
Step 950
950
#002A41
oklch(27.1% 0.061 239)
#4FACE6 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) | #91ACE9 | 0.067 |
| Deuteranopia (no green cones) | #7D9DE5 | 0.055 |
| Tritanopia (no blue cones) | #00BBC0 | 0.086 |
| Achromatopsia (no color) | #A4A4A4 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4FACE6
#4FACE6
oklch(71.3% 0.122 239.1)
- #DA8E4E
#DA8E4E
oklch(71.2% 0.122 59)
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 #4FACE6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.066
- Turquoise Blue #06B1C4 ΔE 0.066
- Chefchaouen Blue #4895EF ΔE 0.069
- Greyblue #77A1B5 ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.076
- Vivid Sky Blue #4CC9F0 ΔE 0.078
- Bluegrey #85A3B2 ΔE 0.084
Use #4FACE6 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.