#939DFD
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.8% 0.139 277.8), rgb(147, 157, 253).
Aa
Black text reads best on this color (8.48:1).
About this color
#939DFD is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.139 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.012 away. Black text reads best on it, at 8.48:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.48:1 |
| White text | 2.47:1 |
Values
| HEX | #939DFD |
| RGB | rgb(147, 157, 253) |
| HSL | hsl(234, 96%, 78%) |
| OKLCH | oklch(72.8% 0.139 277.8) |
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 #939DFD | 2.47:1 | Fails | Lc -53.6 | Large or bold text, headings |
| Black text on #939DFD | 8.48:1 | AAA | Lc 55.4 | Large or bold text, headings |
| #939DFD text on white | 2.47:1 | Fails | Lc 48.6 | Large or bold text, headings |
| #939DFD text on black | 8.48:1 | AAA | Lc -53.4 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FB
oklch(93.6% 0.025 275.9)
-
Step 200
200
#D1D7FA
oklch(88.6% 0.049 277.7)
-
Step 300
300
#B3BCF9
oklch(81% 0.087 277.8)
-
Step 400
400 (this color)
#939DFD
oklch(72.8% 0.139 277.8)
-
Step 500
500
#7379F2
oklch(63.1% 0.178 277.9)
-
Step 600
600
#5E5EE1
oklch(55.6% 0.194 278)
-
Step 700
700
#4E4DC3
oklch(49.2% 0.179 277.9)
-
Step 800
800
#3F409E
oklch(42.7% 0.149 277.6)
-
Step 900
900
#35377D
oklch(37.6% 0.116 278)
-
Step 950
950
#1F2149
oklch(27% 0.073 278.2)
#939DFD 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) | #7BA9FF | 0.039 |
| Deuteranopia (no green cones) | #74A1FB | 0.038 |
| Tritanopia (no blue cones) | #71B0C1 | 0.122 |
| Achromatopsia (no color) | #A5A5A5 | 0.139 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #939DFD
#939DFD
oklch(72.8% 0.139 277.8)
- #BFA728
#BFA728
oklch(72.8% 0.139 97.7)
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 #939DFD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.012
- Perrywinkle #8F8CE7 ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.055
- Cornflower Blue #6495ED ΔE 0.067
- Periwinkle #8E82FE ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.070
- Pale Purple #B790D4 ΔE 0.077
- Liliac #C48EFD ΔE 0.077
Use #939DFD 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.