#818EE2
Closest named color: Perrywinkle (#8F8CE7). oklch(67.2% 0.125 275.8), rgb(129, 142, 226).
Aa
Black text reads best on this color (6.90:1).
About this color
#818EE2 is a medium-light, moderately saturated blue. In OKLCH its lightness is 67%, its chroma 0.125 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.021 away. Black text reads best on it, at 6.90:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | moderately saturated (0.125) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 6.90:1 |
| White text | 3.04:1 |
Values
| HEX | #818EE2 |
| RGB | rgb(129, 142, 226) |
| HSL | hsl(232, 63%, 70%) |
| OKLCH | oklch(67.2% 0.125 275.8) |
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 #818EE2 | 3.04:1 | AA large text | Lc -62.5 | Content text, not long reading |
| Black text on #818EE2 | 6.90:1 | AA | Lc 46.9 | Large or bold text, headings |
| #818EE2 text on white | 3.04:1 | AA large text | Lc 57.1 | Large or bold text, headings |
| #818EE2 text on black | 6.90:1 | AA | Lc -44.6 | 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 400.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF4
oklch(80.9% 0.079 275.7)
-
Step 400
400 (this color)
#818EE2
oklch(67.2% 0.125 275.8)
-
Step 500
500
#717DE8
oklch(63.1% 0.16 276)
-
Step 600
600
#5B64D6
oklch(55.7% 0.173 275.9)
-
Step 700
700
#4B52BA
oklch(49.2% 0.161 275.8)
-
Step 800
800
#3D4496
oklch(42.7% 0.133 275.6)
-
Step 900
900
#343A78
oklch(37.8% 0.104 276)
-
Step 950
950
#1E2246
oklch(26.9% 0.066 276.2)
#818EE2 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) | #7098E5 | 0.031 |
| Deuteranopia (no green cones) | #6990E0 | 0.030 |
| Tritanopia (no blue cones) | #619FAD | 0.111 |
| Achromatopsia (no color) | #949494 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #818EE2
#818EE2
oklch(67.2% 0.125 275.8)
- #AD9528
#AD9528
oklch(67.3% 0.125 96.1)
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 #818EE2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.021
- Cornflower Blue #6495ED ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.041
- Soft Blue #6488EA ΔE 0.043
- Periwinkle Blue #8F99FB ΔE 0.048
- Periwinkle #8E82FE ΔE 0.058
- Chefchaouen Blue #4895EF ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.065
Use #818EE2 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.