#8187EF
Closest named color: Lavender Blue (#8B88F8). oklch(66.5% 0.153 278.9), rgb(129, 135, 239).
Aa
Black text reads best on this color (6.64:1).
About this color
#8187EF is a medium-light, vivid blue. In OKLCH its lightness is 67%, its chroma 0.153 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.020 away. Black text reads best on it, at 6.64:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.153) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.64:1 |
| White text | 3.16:1 |
Values
| HEX | #8187EF |
| RGB | rgb(129, 135, 239) |
| HSL | hsl(237, 77%, 72%) |
| OKLCH | oklch(66.5% 0.153 278.9) |
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 #8187EF | 3.16:1 | AA large text | Lc -64.0 | Content text, not long reading |
| Black text on #8187EF | 6.64:1 | AA | Lc 45.5 | Large or bold text, headings |
| #8187EF text on white | 3.16:1 | AA large text | Lc 58.6 | Large or bold text, headings |
| #8187EF text on black | 6.64:1 | AA | Lc -43.2 | 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
#E6E9F9
oklch(93.6% 0.022 277.5)
-
Step 200
200
#D3D7F5
oklch(88.5% 0.041 279.5)
-
Step 300
300
#B6BCF1
oklch(80.9% 0.075 279.5)
-
Step 400
400
#9198EA
oklch(70.7% 0.12 279.1)
-
Step 500
500 (this color)
#8187EF
oklch(66.5% 0.153 278.9)
-
Step 600
600
#6163D1
oklch(55.6% 0.166 278.8)
-
Step 700
700
#5151B5
oklch(49% 0.154 279.1)
-
Step 800
800
#424393
oklch(42.7% 0.129 278.9)
-
Step 900
900
#373A75
oklch(37.8% 0.099 278.3)
-
Step 950
950
#202244
oklch(26.9% 0.063 278.8)
#8187EF 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) | #5E95F3 | 0.050 |
| Deuteranopia (no green cones) | #568DED | 0.051 |
| Tritanopia (no blue cones) | #5A9DAF | 0.135 |
| Achromatopsia (no color) | #919191 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8187EF
#8187EF
oklch(66.5% 0.153 278.9)
- #A99400
#A99400
oklch(66.5% 0.138 99.1)
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 #8187EF, closest first.
No curated palette has a color within ΔE 0.04 of #8187EF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.020
- Perrywinkle #8F8CE7 ΔE 0.028
- Periwinkle #8E82FE ΔE 0.032
- Soft Blue #6488EA ΔE 0.037
- Cornflower Blue #6495ED ΔE 0.047
- Cornflower #6A79F7 ΔE 0.052
- Periwinkle Blue #8F99FB ΔE 0.052
- Medium Purple #9370DB ΔE 0.062
Use #8187EF 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.