#999BDB
Closest named color: Pale Purple (#B790D4). oklch(71.2% 0.093 282.4), rgb(153, 155, 219).
Aa
Black text reads best on this color (8.06:1).
About this color
#999BDB is a medium-light, moderately saturated purple. In OKLCH its lightness is 71%, its chroma 0.093 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.049 away. Black text reads best on it, at 8.06:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.093) |
| Temperature | cool |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.06:1 |
| White text | 2.60:1 |
Values
| HEX | #999BDB |
| RGB | rgb(153, 155, 219) |
| HSL | hsl(238, 48%, 73%) |
| OKLCH | oklch(71.2% 0.093 282.4) |
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 #999BDB | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #999BDB | 8.06:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #999BDB text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #999BDB text on black | 8.06:1 | AAA | Lc -51.1 | 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
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E8E9F5
oklch(93.7% 0.016 282.3)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#BABDE6
oklch(81% 0.058 281.7)
-
Step 400
400 (this color)
#999BDB
oklch(71.2% 0.093 282.4)
-
Step 500
500
#7F7FCF
oklch(63.1% 0.119 282.4)
-
Step 600
600
#6967BC
oklch(55.6% 0.129 282.4)
-
Step 700
700
#5855A2
oklch(49% 0.12 282.8)
-
Step 800
800
#484683
oklch(42.7% 0.099 282.8)
-
Step 900
900
#3C3B69
oklch(37.6% 0.078 283)
-
Step 950
950
#23233E
oklch(27% 0.05 282.6)
#999BDB 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) | #89A3DE | 0.027 |
| Deuteranopia (no green cones) | #869ED9 | 0.026 |
| Tritanopia (no blue cones) | #88A7B2 | 0.082 |
| Achromatopsia (no color) | #A0A0A0 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999BDB
#999BDB
oklch(71.2% 0.093 282.4)
- #ADA55E
#ADA55E
oklch(71.3% 0.093 102.8)
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 #999BDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.049
- Perrywinkle #8F8CE7 ΔE 0.050
- Periwinkle Blue #8F99FB ΔE 0.051
- Cool Gray #8D99AE ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.074
- Bluey Grey #89A0B0 ΔE 0.074
- Lavender Blue #8B88F8 ΔE 0.076
- Cool Steel #97A7B3 ΔE 0.077
Use #999BDB 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.