#818EF2
Closest named color: Lavender Blue (#8B88F8). oklch(68.1% 0.147 276.2), rgb(129, 142, 242).
Aa
Black text reads best on this color (7.08:1).
About this color
#818EF2 is a medium-light, vivid blue. In OKLCH its lightness is 68%, its chroma 0.147 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Lavender Blue (#8B88F8), ΔE 0.022 away. Black text reads best on it, at 7.08:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.147) |
| Temperature | cool |
| Nearest name | Lavender Blue (#8B88F8) |
| Black text | 7.08:1 |
| White text | 2.96:1 |
Values
| HEX | #818EF2 |
| RGB | rgb(129, 142, 242) |
| HSL | hsl(233, 81%, 73%) |
| OKLCH | oklch(68.1% 0.147 276.2) |
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 #818EF2 | 2.96:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #818EF2 | 7.08:1 | AAA | Lc 48.0 | Large or bold text, headings |
| #818EF2 text on white | 2.96:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #818EF2 text on black | 7.08:1 | AAA | Lc -45.7 | 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
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#CFD7FC
oklch(88.5% 0.052 275.7)
-
Step 300
300
#B0BCFC
oklch(80.9% 0.092 275.9)
-
Step 400
400 (this color)
#818EF2
oklch(68.1% 0.147 276.2)
-
Step 500
500
#6E78F8
oklch(63% 0.188 276.2)
-
Step 600
600
#595DE7
oklch(55.6% 0.204 276.2)
-
Step 700
700
#4A4BC9
oklch(49% 0.191 276.4)
-
Step 800
800
#3C3FA3
oklch(42.8% 0.158 276.1)
-
Step 900
900
#323781
oklch(37.7% 0.123 275.9)
-
Step 950
950
#1D214C
oklch(27.1% 0.078 275.8)
#818EF2 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) | #679BF6 | 0.041 |
| Deuteranopia (no green cones) | #5E92F0 | 0.041 |
| Tritanopia (no blue cones) | #57A3B4 | 0.131 |
| Achromatopsia (no color) | #969696 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818EF2
#818EF2
oklch(68.1% 0.147 276.2)
- #B29700
#B29700
oklch(68% 0.14 96.3)
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 #818EF2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lavender Blue #8B88F8 ΔE 0.022
- Perrywinkle #8F8CE7 ΔE 0.024
- Periwinkle Blue #8F99FB ΔE 0.036
- Cornflower Blue #6495ED ΔE 0.038
- Periwinkle #8E82FE ΔE 0.040
- Soft Blue #6488EA ΔE 0.042
- Chefchaouen Blue #4895EF ΔE 0.061
- Cornflower #6A79F7 ΔE 0.065
Use #818EF2 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.