#8187DB
Closest named color: Perrywinkle (#8F8CE7). oklch(65.4% 0.125 279.3), rgb(129, 135, 219).
Aa
Black text reads best on this color (6.42:1).
About this color
#8187DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 65%, its chroma 0.125 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.030 away. Black text reads best on it, at 6.42:1.
| Hue family | Blues |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.42:1 |
| White text | 3.27:1 |
Values
| HEX | #8187DB |
| RGB | rgb(129, 135, 219) |
| HSL | hsl(236, 56%, 68%) |
| OKLCH | oklch(65.4% 0.125 279.3) |
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 #8187DB | 3.27:1 | AA large text | Lc -65.4 | Content text, not long reading |
| Black text on #8187DB | 6.42:1 | AA | Lc 44.1 | Non-text elements, placeholder text |
| #8187DB text on white | 3.27:1 | AA large text | Lc 59.9 | Large or bold text, headings |
| #8187DB text on black | 6.42:1 | AA | Lc -41.8 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F6
oklch(93.6% 0.018 279.1)
-
Step 200
200
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE8
oklch(80.9% 0.061 279.7)
-
Step 400
400
#949ADD
oklch(70.7% 0.098 279.6)
-
Step 500
500 (this color)
#8187DB
oklch(65.4% 0.125 279.3)
-
Step 600
600
#6468C0
oklch(55.6% 0.135 279.1)
-
Step 700
700
#5356A6
oklch(49.1% 0.126 279.1)
-
Step 800
800
#444787
oklch(42.8% 0.104 279)
-
Step 900
900
#393C6C
oklch(37.8% 0.081 279)
-
Step 950
950
#21233F
oklch(26.9% 0.052 279.2)
#8187DB 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) | #6A92DE | 0.037 |
| Deuteranopia (no green cones) | #648BD9 | 0.037 |
| Tritanopia (no blue cones) | #6598A6 | 0.110 |
| Achromatopsia (no color) | #8E8E8E | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8187DB
#8187DB
oklch(65.4% 0.125 279.3)
- #A39123
#A39123
oklch(65.4% 0.125 99.4)
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 #8187DB, closest first.
No curated palette has a color within ΔE 0.04 of #8187DB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.030
- Soft Blue #6488EA ΔE 0.041
- Lavender Blue #8B88F8 ΔE 0.046
- Cornflower Blue #6495ED ΔE 0.049
- Periwinkle #8E82FE ΔE 0.059
- Medium Purple #9370DB ΔE 0.061
- Periwinkle Blue #8F99FB ΔE 0.065
- Faded Blue #658CBB ΔE 0.066
Use #8187DB 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.