#999EEA
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.5% 0.11 280.4), rgb(153, 158, 234).
Aa
Black text reads best on this color (8.43:1).
About this color
#999EEA is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.110 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.034 away. Black text reads best on it, at 8.43:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.110) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.43:1 |
| White text | 2.49:1 |
Values
| HEX | #999EEA |
| RGB | rgb(153, 158, 234) |
| HSL | hsl(236, 66%, 76%) |
| OKLCH | oklch(72.5% 0.11 280.4) |
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 #999EEA | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #999EEA | 8.43:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #999EEA text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #999EEA text on black | 8.43:1 | AAA | Lc -53.1 | 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
#F4F5FC
oklch(97.1% 0.009 279.7)
-
Step 100
100
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B8BCED
oklch(80.9% 0.069 281.1)
-
Step 400
400 (this color)
#999EEA
oklch(72.5% 0.11 280.4)
-
Step 500
500
#7B7DDC
oklch(63.1% 0.141 280.6)
-
Step 600
600
#6564CA
oklch(55.6% 0.154 280.6)
-
Step 700
700
#5453AE
oklch(49.1% 0.141 280.3)
-
Step 800
800
#45448D
oklch(42.7% 0.118 280.8)
-
Step 900
900
#393A71
oklch(37.7% 0.092 280.2)
-
Step 950
950
#212242
oklch(26.9% 0.059 280.3)
#999EEA 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) | #86A7ED | 0.031 |
| Deuteranopia (no green cones) | #82A1E8 | 0.030 |
| Tritanopia (no blue cones) | #83ACB9 | 0.097 |
| Achromatopsia (no color) | #A4A4A4 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999EEA
#999EEA
oklch(72.5% 0.11 280.4)
- #B6A850
#B6A850
oklch(72.6% 0.111 100.4)
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 #999EEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.034
- Perrywinkle #8F8CE7 ΔE 0.050
- Pale Purple #B790D4 ΔE 0.056
- Carolina Blue #8AB8FE ΔE 0.067
- Lavender Blue #8B88F8 ΔE 0.069
- Cornflower Blue #6495ED ΔE 0.072
- Baby Purple #CA9BF7 ΔE 0.075
- Pastel Purple #CAA0FF ΔE 0.079
Use #999EEA 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.