#8191EF
Closest named color: Perrywinkle (#8F8CE7). oklch(68.5% 0.139 274.8), rgb(129, 145, 239).
Aa
Black text reads best on this color (7.22:1).
About this color
#8191EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.139 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.023 away. Black text reads best on it, at 7.22:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.139) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.22:1 |
| White text | 2.90:1 |
Values
| HEX | #8191EF |
| RGB | rgb(129, 145, 239) |
| HSL | hsl(231, 77%, 72%) |
| OKLCH | oklch(68.5% 0.139 274.8) |
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 #8191EF | 2.90:1 | Fails | Lc -60.6 | Content text, not long reading |
| Black text on #8191EF | 7.22:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #8191EF text on white | 2.90:1 | Fails | Lc 55.3 | Large or bold text, headings |
| #8191EF text on black | 7.22:1 | AAA | Lc -46.5 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E4E9FB
oklch(93.6% 0.025 273.5)
-
Step 200
200
#CFD7FA
oklch(88.4% 0.049 275.2)
-
Step 300
300
#B0BDF9
oklch(81% 0.086 274.8)
-
Step 400
400 (this color)
#8191EF
oklch(68.5% 0.139 274.8)
-
Step 500
500
#6C7BF3
oklch(63.1% 0.178 274.7)
-
Step 600
600
#5661E2
oklch(55.7% 0.194 274.5)
-
Step 700
700
#474FC4
oklch(49.1% 0.18 274.7)
-
Step 800
800
#3A419E
oklch(42.6% 0.149 274.9)
-
Step 900
900
#31397E
oklch(37.8% 0.116 274.5)
-
Step 950
950
#1D224A
oklch(27.1% 0.074 275)
#8191EF 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) | #6E9CF3 | 0.033 |
| Deuteranopia (no green cones) | #6493ED | 0.034 |
| Tritanopia (no blue cones) | #59A5B4 | 0.125 |
| Achromatopsia (no color) | #979797 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8191EF
#8191EF
oklch(68.5% 0.139 274.8)
- #B59806
#B59806
oklch(68.6% 0.14 95.2)
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 #8191EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.023
- Lavender Blue #8B88F8 ΔE 0.030
- Periwinkle Blue #8F99FB ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.035
- Soft Blue #6488EA ΔE 0.046
- Periwinkle #8E82FE ΔE 0.049
- Chefchaouen Blue #4895EF ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.069
Use #8191EF 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.