#99A6FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(75.1% 0.129 276.5), rgb(153, 166, 255).
Aa
Black text reads best on this color (9.25:1).
About this color
#99A6FF is a medium-light, moderately saturated blue. In OKLCH its lightness is 75%, its chroma 0.129 and its hue 277°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.037 away. Black text reads best on it, at 9.25:1.
| Hue family | Blues |
| Lightness | medium-light (75%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 9.25:1 |
| White text | 2.26:1 |
Values
| HEX | #99A6FF |
| RGB | rgb(153, 166, 255) |
| HSL | hsl(232, 100%, 80%) |
| OKLCH | oklch(75.1% 0.129 276.5) |
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 #99A6FF | 2.26:1 | Fails | Lc -49.5 | Large or bold text, headings |
| Black text on #99A6FF | 9.25:1 | AAA | Lc 59.3 | Large or bold text, headings |
| #99A6FF text on white | 2.26:1 | Fails | Lc 44.7 | Non-text elements, placeholder text |
| #99A6FF text on black | 9.25:1 | AAA | Lc -57.5 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E5E9FA
oklch(93.6% 0.023 275.4)
-
Step 200
200
#D1D7F7
oklch(88.5% 0.044 277.1)
-
Step 300
300
#B2BDF5
oklch(80.9% 0.08 275.8)
-
Step 400
400 (this color)
#99A6FF
oklch(75.1% 0.129 276.5)
-
Step 500
500
#717CEB
oklch(63.1% 0.165 276.3)
-
Step 600
600
#5C62D9
oklch(55.6% 0.179 276.7)
-
Step 700
700
#4C50BC
oklch(49% 0.167 276.7)
-
Step 800
800
#3E4398
oklch(42.8% 0.137 276.4)
-
Step 900
900
#343979
oklch(37.6% 0.107 276.6)
-
Step 950
950
#1E2247
oklch(27% 0.068 276.2)
#99A6FF 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) | #88B0FF | 0.031 |
| Deuteranopia (no green cones) | #80A8FD | 0.031 |
| Tritanopia (no blue cones) | #79B8C7 | 0.114 |
| Achromatopsia (no color) | #ACACAC | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #99A6FF
#99A6FF
oklch(75.1% 0.129 276.5)
- #C6AE41
#C6AE41
oklch(75.2% 0.129 96.7)
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 #99A6FF, closest first.
No curated palette has a color within ΔE 0.04 of #99A6FF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.037
- Carolina Blue #8AB8FE ΔE 0.049
- Pastel Blue #A2BFFE ΔE 0.068
- Pastel Purple #CAA0FF ΔE 0.070
- Baby Purple #CA9BF7 ΔE 0.072
- Perrywinkle #8F8CE7 ΔE 0.072
- Lilac #CEA2FD ΔE 0.075
- Lavender Blue #8B88F8 ΔE 0.080
Use #99A6FF 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.