#43A1FA
Closest named color: Chefchaouen Blue (#4895EF). oklch(69.4% 0.158 250.2), rgb(67, 161, 250).
Aa
Black text reads best on this color (7.71:1).
About this color
#43A1FA is a medium-light, vivid blue. In OKLCH its lightness is 69%, its chroma 0.158 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Chefchaouen Blue (#4895EF), ΔE 0.033 away. Black text reads best on it, at 7.71:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | vivid (0.158) |
| Temperature | cool |
| Nearest name | Chefchaouen Blue (#4895EF) |
| Black text | 7.71:1 |
| White text | 2.72:1 |
Values
| HEX | #43A1FA |
| RGB | rgb(67, 161, 250) |
| HSL | hsl(209, 95%, 62%) |
| OKLCH | oklch(69.4% 0.158 250.2) |
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 #43A1FA | 2.72:1 | Fails | Lc -57.5 | Large or bold text, headings |
| Black text on #43A1FA | 7.71:1 | AAA | Lc 51.7 | Large or bold text, headings |
| #43A1FA text on white | 2.72:1 | Fails | Lc 52.3 | Large or bold text, headings |
| #43A1FA text on black | 7.71:1 | AAA | Lc -49.5 | 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
#EFF6FE
oklch(97% 0.013 251.6)
-
Step 100
100
#DCECFD
oklch(93.6% 0.029 249.8)
-
Step 200
200
#BFDDFD
oklch(88.6% 0.055 250.1)
-
Step 300
300
#8FC6FE
oklch(80.9% 0.098 249.6)
-
Step 400
400 (this color)
#43A1FA
oklch(69.4% 0.158 250.2)
-
Step 500
500
#008CF0
oklch(63.1% 0.179 250.1)
-
Step 600
600
#0075CB
oklch(55.5% 0.159 250.4)
-
Step 700
700
#0063AC
oklch(49.2% 0.139 250)
-
Step 800
800
#00518E
oklch(42.8% 0.121 249.9)
-
Step 900
900
#004378
oklch(37.8% 0.108 250.3)
-
Step 950
950
#00274A
oklch(26.9% 0.077 250.5)
#43A1FA 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) | #78A6FE | 0.052 |
| Deuteranopia (no green cones) | #5D95F8 | 0.034 |
| Tritanopia (no blue cones) | #00B6C2 | 0.117 |
| Achromatopsia (no color) | #9D9D9D | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #43A1FA
#43A1FA
oklch(69.4% 0.158 250.2)
- #D78900
#D78900
oklch(69.4% 0.151 69.8)
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 #43A1FA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chefchaouen Blue #4895EF ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.039
- Dodger Blue #1E90FF ΔE 0.054
- Dark Sky Blue #448EE4 ΔE 0.056
- Soft Blue #6488EA ΔE 0.066
- Periwinkle Blue #8F99FB ΔE 0.076
- Deep Sky Blue #00BFFF ΔE 0.079
- Perrywinkle #8F8CE7 ΔE 0.088
Use #43A1FA 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.