#999CF8
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.8% 0.132 281.2), rgb(153, 156, 248).
Aa
Black text reads best on this color (8.46:1).
About this color
#999CF8 is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.132 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.017 away. Black text reads best on it, at 8.46:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.46:1 |
| White text | 2.48:1 |
Values
| HEX | #999CF8 |
| RGB | rgb(153, 156, 248) |
| HSL | hsl(238, 87%, 79%) |
| OKLCH | oklch(72.8% 0.132 281.2) |
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 #999CF8 | 2.48:1 | Fails | Lc -53.7 | Large or bold text, headings |
| Black text on #999CF8 | 8.46:1 | AAA | Lc 55.3 | Large or bold text, headings |
| #999CF8 text on white | 2.48:1 | Fails | Lc 48.7 | Large or bold text, headings |
| #999CF8 text on black | 8.46:1 | AAA | Lc -53.3 | 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
#E7E8FA
oklch(93.6% 0.024 283.4)
-
Step 200
200
#D3D6F8
oklch(88.5% 0.047 281.4)
-
Step 300
300
#B7BBF6
oklch(81% 0.083 281.3)
-
Step 400
400 (this color)
#999CF8
oklch(72.8% 0.132 281.2)
-
Step 500
500
#7A78EC
oklch(63% 0.17 281.1)
-
Step 600
600
#655EDA
oklch(55.6% 0.184 281.1)
-
Step 700
700
#544DBD
oklch(49.1% 0.17 280.9)
-
Step 800
800
#454099
oklch(42.8% 0.141 281.2)
-
Step 900
900
#39377A
oklch(37.7% 0.111 281)
-
Step 950
950
#212147
oklch(27% 0.069 280.7)
#999CF8 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) | #7DA8FC | 0.042 |
| Deuteranopia (no green cones) | #78A1F6 | 0.042 |
| Tritanopia (no blue cones) | #7DAEBE | 0.116 |
| Achromatopsia (no color) | #A4A4A4 | 0.133 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999CF8
#999CF8
oklch(72.8% 0.132 281.2)
- #B9A936
#B9A936
oklch(72.8% 0.132 101.2)
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 #999CF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.017
- Perrywinkle #8F8CE7 ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.057
- Pale Purple #B790D4 ΔE 0.066
- Liliac #C48EFD ΔE 0.070
- Periwinkle #8E82FE ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.072
- Cornflower Blue #6495ED ΔE 0.072
Use #999CF8 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.