#999DEB
Closest named color: Periwinkle Blue (#8F99FB). oklch(72.3% 0.113 280.9), rgb(153, 157, 235).
Aa
Black text reads best on this color (8.37:1).
About this color
#999DEB is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.113 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.031 away. Black text reads best on it, at 8.37:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.113) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.37:1 |
| White text | 2.50:1 |
Values
| HEX | #999DEB |
| RGB | rgb(153, 157, 235) |
| HSL | hsl(237, 67%, 76%) |
| OKLCH | oklch(72.3% 0.113 280.9) |
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 #999DEB | 2.50:1 | Fails | Lc -54.2 | Large or bold text, headings |
| Black text on #999DEB | 8.37:1 | AAA | Lc 54.9 | Large or bold text, headings |
| #999DEB text on white | 2.50:1 | Fails | Lc 49.1 | Large or bold text, headings |
| #999DEB text on black | 8.37:1 | AAA | Lc -52.8 | 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
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B8BCEE
oklch(80.9% 0.071 281.1)
-
Step 400
400 (this color)
#999DEB
oklch(72.3% 0.113 280.9)
-
Step 500
500
#7B7CDE
oklch(63% 0.145 281)
-
Step 600
600
#6663CC
oklch(55.6% 0.158 281.2)
-
Step 700
700
#5552B0
oklch(49.2% 0.145 281.1)
-
Step 800
800
#45448F
oklch(42.8% 0.121 280.6)
-
Step 900
900
#3A3A72
oklch(37.8% 0.094 280.9)
-
Step 950
950
#222243
oklch(27% 0.06 281.6)
#999DEB 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) | #85A7EE | 0.033 |
| Deuteranopia (no green cones) | #81A1E9 | 0.032 |
| Tritanopia (no blue cones) | #83ACB9 | 0.100 |
| Achromatopsia (no color) | #A4A4A4 | 0.113 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999DEB
#999DEB
oklch(72.3% 0.113 280.9)
- #B5A84D
#B5A84D
oklch(72.4% 0.113 101.3)
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 #999DEB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.031
- Perrywinkle #8F8CE7 ΔE 0.047
- Pale Purple #B790D4 ΔE 0.056
- Lavender Blue #8B88F8 ΔE 0.066
- Carolina Blue #8AB8FE ΔE 0.069
- Cornflower Blue #6495ED ΔE 0.071
- Baby Purple #CA9BF7 ΔE 0.075
- Liliac #C48EFD ΔE 0.078
Use #999DEB 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.