#999DDC
Closest named color: Pale Purple (#B790D4). oklch(71.7% 0.092 281), rgb(153, 157, 220).
Aa
Black text reads best on this color (8.21:1).
About this color
#999DDC is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.092 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 8.21:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.21:1 |
| White text | 2.55:1 |
Values
| HEX | #999DDC |
| RGB | rgb(153, 157, 220) |
| HSL | hsl(236, 49%, 73%) |
| OKLCH | oklch(71.7% 0.092 281) |
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 #999DDC | 2.55:1 | Fails | Lc -55.2 | Large or bold text, headings |
| Black text on #999DDC | 8.21:1 | AAA | Lc 54.0 | Large or bold text, headings |
| #999DDC text on white | 2.55:1 | Fails | Lc 50.0 | Large or bold text, headings |
| #999DDC text on black | 8.21:1 | AAA | Lc -51.9 | 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
#B9BDE6
oklch(80.9% 0.058 280.6)
-
Step 400
400 (this color)
#999DDC
oklch(71.7% 0.092 281)
-
Step 500
500
#7D80CE
oklch(63.1% 0.116 280.8)
-
Step 600
600
#6768BB
oklch(55.5% 0.127 280.9)
-
Step 700
700
#5656A2
oklch(49.1% 0.119 281.1)
-
Step 800
800
#464783
oklch(42.7% 0.098 280.7)
-
Step 900
900
#3B3C69
oklch(37.8% 0.076 281.1)
-
Step 950
950
#22233D
oklch(26.9% 0.048 281)
#999DDC 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) | #8BA4DF | 0.024 |
| Deuteranopia (no green cones) | #87A0DA | 0.025 |
| Tritanopia (no blue cones) | #88A9B3 | 0.082 |
| Achromatopsia (no color) | #A2A2A2 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999DDC
#999DDC
oklch(71.7% 0.092 281)
- #B0A560
#B0A560
oklch(71.6% 0.091 100.4)
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 #999DDC, 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 0.051
- Perrywinkle #8F8CE7 ΔE 0.054
- Cool Gray #8D99AE ΔE 0.071
- Bluey Grey #89A0B0 ΔE 0.074
- Cool Steel #97A7B3 ΔE 0.074
- Carolina Blue #8AB8FE ΔE 0.075
- Cornflower Blue #6495ED ΔE 0.076
Use #999DDC 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.