#99A1EA
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.1% 0.106 278.6), rgb(153, 161, 234).
Aa
Black text reads best on this color (8.64:1).
About this color
#99A1EA is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.106 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.039 away. Black text reads best on it, at 8.64:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.64:1 |
| White text | 2.43:1 |
Values
| HEX | #99A1EA |
| RGB | rgb(153, 161, 234) |
| HSL | hsl(234, 66%, 76%) |
| OKLCH | oklch(73.1% 0.106 278.6) |
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 #99A1EA | 2.43:1 | Fails | Lc -52.8 | Large or bold text, headings |
| Black text on #99A1EA | 8.64:1 | AAA | Lc 56.2 | Large or bold text, headings |
| #99A1EA text on white | 2.43:1 | Fails | Lc 47.8 | Large or bold text, headings |
| #99A1EA text on black | 8.64:1 | AAA | Lc -54.2 | 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
#D3D7F2
oklch(88.4% 0.037 278.9)
-
Step 300
300
#B6BDEC
oklch(80.9% 0.067 278.2)
-
Step 400
400 (this color)
#99A1EA
oklch(73.1% 0.106 278.6)
-
Step 500
500
#787FDA
oklch(63.1% 0.136 278.4)
-
Step 600
600
#6266C7
oklch(55.5% 0.148 278.7)
-
Step 700
700
#5254AC
oklch(49% 0.137 279.1)
-
Step 800
800
#43468B
oklch(42.8% 0.112 278.7)
-
Step 900
900
#383B6F
oklch(37.7% 0.088 278.8)
-
Step 950
950
#212341
oklch(27% 0.055 279.1)
#99A1EA 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) | #8AA9ED | 0.026 |
| Deuteranopia (no green cones) | #85A3E8 | 0.026 |
| Tritanopia (no blue cones) | #83AFBB | 0.094 |
| Achromatopsia (no color) | #A6A6A6 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A1EA
#99A1EA
oklch(73.1% 0.106 278.6)
- #B9A956
#B9A956
oklch(73.1% 0.106 98.6)
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 #99A1EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.039
- Perrywinkle #8F8CE7 ΔE 0.057
- Pale Purple #B790D4 ΔE 0.060
- Carolina Blue #8AB8FE ΔE 0.060
- Baby Purple #CA9BF7 ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.076
- Lavender Blue #8B88F8 ΔE 0.076
- Pastel Purple #CAA0FF ΔE 0.078
Use #99A1EA 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.