#8187EA
Closest named color: Lavender Blue (#8B88F8). oklch(66.3% 0.146 279), rgb(129, 135, 234).
Aa
Black text reads best on this color (6.58:1).
About this color
#8187EA is a medium-light, vivid blue. In OKLCH its lightness is 66%, its chroma 0.146 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.025 away. Black text reads best on it, at 6.58:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.146) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 6.58:1 |
| White text | 3.18:1 |
Values
| HEX | #8187EA |
| RGB | rgb(129, 135, 234) |
| HSL | hsl(237, 71%, 71%) |
| OKLCH | oklch(66.3% 0.146 279) |
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 #8187EA | 3.18:1 | AA large text | Lc -64.3 | Content text, not long reading |
| Black text on #8187EA | 6.58:1 | AA | Lc 45.1 | Large or bold text, headings |
| #8187EA text on white | 3.18:1 | AA large text | Lc 58.9 | Large or bold text, headings |
| #8187EA text on black | 6.58:1 | AA | Lc -42.8 | 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
#E6E9F8
oklch(93.6% 0.02 276.9)
-
Step 200
200
#D3D7F4
oklch(88.5% 0.04 279.3)
-
Step 300
300
#B6BCEF
oklch(80.8% 0.072 279.4)
-
Step 400
400
#9199E7
oklch(70.8% 0.114 278.6)
-
Step 500
500 (this color)
#8187EA
oklch(66.3% 0.146 279)
-
Step 600
600
#6264CD
oklch(55.5% 0.159 279.1)
-
Step 700
700
#5253B1
oklch(49.2% 0.146 279.1)
-
Step 800
800
#434490
oklch(42.7% 0.123 279.3)
-
Step 900
900
#383A73
oklch(37.7% 0.096 279.2)
-
Step 950
950
#202243
oklch(26.8% 0.061 278.8)
#8187EA 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) | #6194EE | 0.046 |
| Deuteranopia (no green cones) | #5A8CE8 | 0.047 |
| Tritanopia (no blue cones) | #5D9BAD | 0.127 |
| Achromatopsia (no color) | #909090 | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8187EA
#8187EA
oklch(66.3% 0.146 279)
- #A89300
#A89300
oklch(66.2% 0.137 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 #8187EA, closest first.
No curated palette has a color within ΔE 0.04 of #8187EA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.025
- Soft Blue #6488EA ΔE 0.036
- Periwinkle #8E82FE ΔE 0.038
- Cornflower Blue #6495ED ΔE 0.046
- Periwinkle Blue #8F99FB ΔE 0.054
- Cornflower #6A79F7 ΔE 0.055
- Medium Purple #9370DB ΔE 0.060
Use #8187EA 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.