#5DACFB
Closest named color: Deep Sky Blue (#00BFFF). oklch(72.8% 0.139 250.3), rgb(93, 172, 251).
Aa
Black text reads best on this color (8.75:1).
About this color
#5DACFB is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.139 and its hue 250°. 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 8.75:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.75:1 |
| White text | 2.39:1 |
Values
| HEX | #5DACFB |
| RGB | rgb(93, 172, 251) |
| HSL | hsl(210, 95%, 67%) |
| OKLCH | oklch(72.8% 0.139 250.3) |
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 #5DACFB | 2.39:1 | Fails | Lc -51.9 | Large or bold text, headings |
| Black text on #5DACFB | 8.75:1 | AAA | Lc 57.0 | Large or bold text, headings |
| #5DACFB text on white | 2.39:1 | Fails | Lc 47.0 | Large or bold text, headings |
| #5DACFB text on black | 8.75:1 | AAA | Lc -55.1 | 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
#F0F6FD
oklch(97.1% 0.011 252.1)
-
Step 100
100
#DEECFB
oklch(93.7% 0.025 250)
-
Step 200
200
#C2DCF9
oklch(88.5% 0.049 251.2)
-
Step 300
300
#96C5F7
oklch(80.8% 0.087 250.5)
-
Step 400
400 (this color)
#5DACFB
oklch(72.8% 0.139 250.3)
-
Step 500
500
#078CF0
oklch(63.1% 0.179 250.4)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0062AC
oklch(49% 0.141 250.5)
-
Step 800
800
#00508E
oklch(42.6% 0.122 250.5)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#022749
oklch(26.9% 0.075 250.8)
#5DACFB 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) | #8AB0FE | 0.049 |
| Deuteranopia (no green cones) | #74A0F9 | 0.035 |
| Tritanopia (no blue cones) | #00BEC8 | 0.110 |
| Achromatopsia (no color) | #A7A7A7 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5DACFB
#5DACFB
oklch(72.8% 0.139 250.3)
- #DE9632
#DE9632
oklch(72.9% 0.14 70.4)
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 #5DACFB, 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
- Carolina Blue #8AB8FE ΔE 0.059
- Cornflower Blue #6495ED ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.067
- Periwinkle Blue #8F99FB ΔE 0.068
- Vivid Sky Blue #4CC9F0 ΔE 0.085
- Lightblue #7BC8F6 ΔE 0.087
- Bright Sky Blue #02CCFE ΔE 0.087
Use #5DACFB 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.