#999BFA
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.7% 0.137 281.5), rgb(153, 155, 250).
Aa
Black text reads best on this color (8.42:1).
About this color
#999BFA is a medium-light, moderately saturated purple. In OKLCH its lightness is 73%, its chroma 0.137 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.015 away. Black text reads best on it, at 8.42:1.
| Hue family | Purples |
| Lightness | medium-light (73%) |
| Chroma | moderately saturated (0.137) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.42:1 |
| White text | 2.49:1 |
Values
| HEX | #999BFA |
| RGB | rgb(153, 155, 250) |
| HSL | hsl(239, 91%, 79%) |
| OKLCH | oklch(72.7% 0.137 281.5) |
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 #999BFA | 2.49:1 | Fails | Lc -53.9 | Large or bold text, headings |
| Black text on #999BFA | 8.42:1 | AAA | Lc 55.1 | Large or bold text, headings |
| #999BFA text on white | 2.49:1 | Fails | Lc 48.9 | Large or bold text, headings |
| #999BFA text on black | 8.42:1 | 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
#F4F5FD
oklch(97.2% 0.011 280.5)
-
Step 100
100
#E7E8FB
oklch(93.6% 0.026 283.5)
-
Step 200
200
#D3D6F9
oklch(88.5% 0.048 281.5)
-
Step 300
300
#B7BBF7
oklch(81% 0.085 281.4)
-
Step 400
400 (this color)
#999BFA
oklch(72.7% 0.137 281.5)
-
Step 500
500
#7B77EF
oklch(63.1% 0.175 281.6)
-
Step 600
600
#665CDD
oklch(55.5% 0.19 281.7)
-
Step 700
700
#554BC0
oklch(49.1% 0.177 281.6)
-
Step 800
800
#453E9B
oklch(42.6% 0.146 281.6)
-
Step 900
900
#3A367B
oklch(37.7% 0.114 282.1)
-
Step 950
950
#212048
oklch(26.8% 0.072 281.5)
#999BFA 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) | #7BA8FE | 0.046 |
| Deuteranopia (no green cones) | #76A1F8 | 0.045 |
| Tritanopia (no blue cones) | #7DAEBF | 0.119 |
| Achromatopsia (no color) | #A4A4A4 | 0.137 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999BFA
#999BFA
oklch(72.7% 0.137 281.5)
- #B9A92F
#B9A92F
oklch(72.7% 0.137 101.6)
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 #999BFA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.015
- Perrywinkle #8F8CE7 ΔE 0.047
- Lavender Blue #8B88F8 ΔE 0.054
- Periwinkle #8E82FE ΔE 0.067
- Pale Purple #B790D4 ΔE 0.068
- Liliac #C48EFD ΔE 0.069
- Cornflower Blue #6495ED ΔE 0.072
- Baby Purple #CA9BF7 ΔE 0.072
Use #999BFA 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.