#8388EB
Closest named color: Perrywinkle (#8F8CE7). oklch(66.6% 0.145 279.5), rgb(131, 136, 235).
Aa
Black text reads best on this color (6.68:1).
About this color
#8388EB is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.145 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.022 away. Black text reads best on it, at 6.68:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.145) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.68:1 |
| White text | 3.14:1 |
Values
| HEX | #8388EB |
| RGB | rgb(131, 136, 235) |
| HSL | hsl(237, 72%, 72%) |
| OKLCH | oklch(66.6% 0.145 279.5) |
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 #8388EB | 3.14:1 | AA large text | Lc -63.7 | Content text, not long reading |
| Black text on #8388EB | 6.68:1 | AA | Lc 45.7 | Large or bold text, headings |
| #8388EB text on white | 3.14:1 | AA large text | Lc 58.3 | Large or bold text, headings |
| #8388EB text on black | 6.68:1 | AA | Lc -43.4 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D3D7F4
oklch(88.5% 0.04 279.3)
-
Step 300
300
#B7BCEF
oklch(80.9% 0.072 280.3)
-
Step 400
400
#9298E6
oklch(70.6% 0.114 279.7)
-
Step 500
500 (this color)
#8388EB
oklch(66.6% 0.145 279.5)
-
Step 600
600
#6364CD
oklch(55.6% 0.159 279.5)
-
Step 700
700
#5252B1
oklch(49% 0.147 279.5)
-
Step 800
800
#43448F
oklch(42.7% 0.121 279.4)
-
Step 900
900
#383A72
oklch(37.7% 0.094 279.3)
-
Step 950
950
#212243
oklch(26.9% 0.061 280.2)
#8388EB 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) | #6395EF | 0.047 |
| Deuteranopia (no green cones) | #5C8EE9 | 0.048 |
| Tritanopia (no blue cones) | #609CAE | 0.127 |
| Achromatopsia (no color) | #919191 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8388EB
#8388EB
oklch(66.6% 0.145 279.5)
- #A99500
#A99500
oklch(66.7% 0.139 99.7)
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 #8388EB, closest first.
No curated palette has a color within ΔE 0.04 of #8388EB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.022
- Lavender Blue #8B88F8 ΔE 0.023
- Periwinkle #8E82FE ΔE 0.037
- Soft Blue #6488EA ΔE 0.039
- Cornflower Blue #6495ED ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.050
- Cornflower #6A79F7 ΔE 0.058
- Medium Purple #9370DB ΔE 0.061
Use #8388EB 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.