#999DDB
Closest named color: Pale Purple (#B790D4). oklch(71.6% 0.09 281), rgb(153, 157, 219).
Aa
Black text reads best on this color (8.20:1).
About this color
#999DDB is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.090 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.051 away. Black text reads best on it, at 8.20:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.090) |
| Temperature | cool |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.20:1 |
| White text | 2.56:1 |
Values
| HEX | #999DDB |
| RGB | rgb(153, 157, 219) |
| HSL | hsl(236, 48%, 73%) |
| OKLCH | oklch(71.6% 0.09 281) |
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 #999DDB | 2.56:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #999DDB | 8.20:1 | AAA | Lc 53.9 | Large or bold text, headings |
| #999DDB text on white | 2.56:1 | Fails | Lc 50.1 | Large or bold text, headings |
| #999DDB text on black | 8.20:1 | AAA | Lc -51.8 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EE
oklch(88.5% 0.032 281.8)
-
Step 300
300
#B9BDE5
oklch(80.9% 0.056 280.6)
-
Step 400
400 (this color)
#999DDB
oklch(71.6% 0.09 281)
-
Step 500
500
#7D80CD
oklch(63% 0.115 280.9)
-
Step 600
600
#6768BA
oklch(55.5% 0.125 281)
-
Step 700
700
#5657A1
oklch(49.2% 0.116 280.6)
-
Step 800
800
#464782
oklch(42.6% 0.096 280.8)
-
Step 900
900
#3B3C68
oklch(37.7% 0.074 281.2)
-
Step 950
950
#22233D
oklch(26.9% 0.048 281)
#999DDB 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) | #8BA4DE | 0.024 |
| Deuteranopia (no green cones) | #88A0D9 | 0.024 |
| Tritanopia (no blue cones) | #88A8B3 | 0.079 |
| Achromatopsia (no color) | #A2A2A2 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999DDB
#999DDB
oklch(71.6% 0.09 281)
- #AFA561
#AFA561
oklch(71.5% 0.09 101)
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 #999DDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.051
- Periwinkle Blue #8F99FB ΔE 0.053
- Perrywinkle #8F8CE7 ΔE 0.055
- Cool Gray #8D99AE ΔE 0.069
- Bluey Grey #89A0B0 ΔE 0.072
- Cool Steel #97A7B3 ΔE 0.073
- Bluegrey #85A3B2 ΔE 0.075
- Carolina Blue #8AB8FE ΔE 0.076
Use #999DDB 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.