#43ACFD
Closest named color: Deep Sky Blue (#00BFFF). oklch(72% 0.152 245.7), rgb(67, 172, 253).
Aa
Black text reads best on this color (8.55:1).
About this color
#43ACFD is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.152 and its hue 246°. Its hue sits on the cool side of the wheel. The nearest named color is Deep Sky Blue (#00BFFF), ΔE 0.051 away. Black text reads best on it, at 8.55:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.152) |
| Temperature | cool |
| Nearest name | Deep Sky Blue (#00BFFF) |
| Black text | 8.55:1 |
| White text | 2.45:1 |
Values
| HEX | #43ACFD |
| RGB | rgb(67, 172, 253) |
| HSL | hsl(206, 98%, 63%) |
| OKLCH | oklch(72% 0.152 245.7) |
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 #43ACFD | 2.45:1 | Fails | Lc -52.9 | Large or bold text, headings |
| Black text on #43ACFD | 8.55:1 | AAA | Lc 56.1 | Large or bold text, headings |
| #43ACFD text on white | 2.45:1 | Fails | Lc 47.9 | Large or bold text, headings |
| #43ACFD text on black | 8.55:1 | AAA | Lc -54.1 | 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
#EFF7FE
oklch(97.2% 0.013 244.3)
-
Step 100
100
#DCECFC
oklch(93.6% 0.028 248.1)
-
Step 200
200
#BDDDFA
oklch(88.4% 0.053 245.8)
-
Step 300
300
#8CC7FA
oklch(80.8% 0.095 245.4)
-
Step 400
400 (this color)
#43ACFD
oklch(72% 0.152 245.7)
-
Step 500
500
#008FE4
oklch(63% 0.162 246)
-
Step 600
600
#0078C0
oklch(55.5% 0.142 245.8)
-
Step 700
700
#0065A3
oklch(49.1% 0.126 245.9)
-
Step 800
800
#005386
oklch(42.8% 0.108 245.3)
-
Step 900
900
#004571
oklch(37.8% 0.096 245.5)
-
Step 950
950
#002846
oklch(26.9% 0.07 246.6)
#43ACFD 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) | #87AFFF | 0.063 |
| Deuteranopia (no green cones) | #6D9EFB | 0.046 |
| Tritanopia (no blue cones) | #00C0C9 | 0.109 |
| Achromatopsia (no color) | #A5A5A5 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43ACFD
#43ACFD
oklch(72% 0.152 245.7)
- #E48E20
#E48E20
oklch(72% 0.152 65.6)
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 #43ACFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Sky Blue #00BFFF ΔE 0.051
- Chefchaouen Blue #4895EF ΔE 0.061
- Cornflower Blue #6495ED ΔE 0.062
- Carolina Blue #8AB8FE ΔE 0.075
- Dodger Blue #1E90FF ΔE 0.081
- Periwinkle Blue #8F99FB ΔE 0.082
- Dark Sky Blue #448EE4 ΔE 0.083
- Bright Sky Blue #02CCFE ΔE 0.086
Use #43ACFD 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.