#8397ED
Closest named color: Periwinkle Blue (#8F99FB). oklch(69.7% 0.128 272.7), rgb(131, 151, 237).
Aa
Black text reads best on this color (7.61:1).
About this color
#8397ED is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.128 and its hue 273°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.027 away. Black text reads best on it, at 7.61:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.61:1 |
| White text | 2.75:1 |
Values
| HEX | #8397ED |
| RGB | rgb(131, 151, 237) |
| HSL | hsl(229, 75%, 72%) |
| OKLCH | oklch(69.7% 0.128 272.7) |
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 #8397ED | 2.75:1 | Fails | Lc -58.4 | Large or bold text, headings |
| Black text on #8397ED | 7.61:1 | AAA | Lc 50.9 | Large or bold text, headings |
| #8397ED text on white | 2.75:1 | Fails | Lc 53.2 | Large or bold text, headings |
| #8397ED text on black | 7.61:1 | AAA | Lc -48.7 | 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
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CFD8F7
oklch(88.5% 0.044 272.7)
-
Step 300
300
#AFBEF5
oklch(80.9% 0.08 272.7)
-
Step 400
400 (this color)
#8397ED
oklch(69.7% 0.128 272.7)
-
Step 500
500
#6A7EEB
oklch(63% 0.164 273)
-
Step 600
600
#5365DA
oklch(55.6% 0.179 272.6)
-
Step 700
700
#4453BD
oklch(49.1% 0.166 272.7)
-
Step 800
800
#384599
oklch(42.8% 0.137 272.6)
-
Step 900
900
#303B79
oklch(37.8% 0.106 272.8)
-
Step 950
950
#1C2347
oklch(27.1% 0.067 272.9)
#8397ED 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) | #78A0F0 | 0.025 |
| Deuteranopia (no green cones) | #6E98EB | 0.025 |
| Tritanopia (no blue cones) | #5DA9B7 | 0.115 |
| Achromatopsia (no color) | #9C9C9C | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8397ED
#8397ED
oklch(69.7% 0.128 272.7)
- #B99B2C
#B99B2C
oklch(69.8% 0.128 93.1)
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 #8397ED, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.027
- Perrywinkle #8F8CE7 ΔE 0.030
- Cornflower Blue #6495ED ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.045
- Soft Blue #6488EA ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.062
- Periwinkle #8E82FE ΔE 0.063
- Dark Sky Blue #448EE4 ΔE 0.075
Use #8397ED 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.