#999FF8
Closest named color: Periwinkle Blue (#8F99FB). oklch(73.4% 0.128 279.8), rgb(153, 159, 248).
Aa
Black text reads best on this color (8.66:1).
About this color
#999FF8 is a medium-light, moderately saturated blue. In OKLCH its lightness is 73%, its chroma 0.128 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.023 away. Black text reads best on it, at 8.66:1.
| Hue family | Blues |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.128) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.66:1 |
| White text | 2.42:1 |
Values
| HEX | #999FF8 |
| RGB | rgb(153, 159, 248) |
| HSL | hsl(236, 87%, 79%) |
| OKLCH | oklch(73.4% 0.128 279.8) |
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 #999FF8 | 2.42:1 | Fails | Lc -52.6 | Large or bold text, headings |
| Black text on #999FF8 | 8.66:1 | AAA | Lc 56.4 | Large or bold text, headings |
| #999FF8 text on white | 2.42:1 | Fails | Lc 47.6 | Large or bold text, headings |
| #999FF8 text on black | 8.66:1 | AAA | Lc -54.4 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D3D7F7
oklch(88.6% 0.044 279.8)
-
Step 300
300
#B6BCF4
oklch(81% 0.079 279.7)
-
Step 400
400 (this color)
#999FF8
oklch(73.4% 0.128 279.8)
-
Step 500
500
#787AE9
oklch(63.1% 0.163 279.8)
-
Step 600
600
#6360D8
oklch(55.6% 0.179 280)
-
Step 700
700
#524FBB
oklch(49.2% 0.165 279.7)
-
Step 800
800
#434197
oklch(42.7% 0.137 279.9)
-
Step 900
900
#383878
oklch(37.7% 0.106 280)
-
Step 950
950
#202147
oklch(26.9% 0.069 279.5)
#999FF8 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) | #81AAFC | 0.038 |
| Deuteranopia (no green cones) | #7CA3F6 | 0.037 |
| Tritanopia (no blue cones) | #7DB0C0 | 0.112 |
| Achromatopsia (no color) | #A6A6A6 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999FF8
#999FF8
oklch(73.4% 0.128 279.8)
- #BCAA3D
#BCAA3D
oklch(73.3% 0.128 99.8)
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 #999FF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.023
- Perrywinkle #8F8CE7 ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.064
- Carolina Blue #8AB8FE ΔE 0.064
- Pale Purple #B790D4 ΔE 0.068
- Baby Purple #CA9BF7 ΔE 0.071
- Pastel Purple #CAA0FF ΔE 0.072
- Liliac #C48EFD ΔE 0.073
Use #999FF8 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.