#999DD3
Closest named color: Pale Purple (#B790D4). oklch(71.3% 0.079 280.9), rgb(153, 157, 211).
Aa
Black text reads best on this color (8.11:1).
About this color
#999DD3 is a medium-light, moderately saturated purple. In OKLCH its lightness is 71%, its chroma 0.079 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Purple (#B790D4), ΔE 0.053 away. Black text reads best on it, at 8.11:1.
| Hue family | Purples |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Pale Purple (#B790D4) |
| Black text | 8.11:1 |
| White text | 2.58:1 |
Values
| HEX | #999DD3 |
| RGB | rgb(153, 157, 211) |
| HSL | hsl(236, 40%, 71%) |
| OKLCH | oklch(71.3% 0.079 280.9) |
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 #999DD3 | 2.58:1 | Fails | Lc -55.7 | Large or bold text, headings |
| Black text on #999DD3 | 8.11:1 | AAA | Lc 53.5 | Large or bold text, headings |
| #999DD3 text on white | 2.58:1 | Fails | Lc 50.5 | Large or bold text, headings |
| #999DD3 text on black | 8.11:1 | AAA | Lc -51.4 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E8E9F3
oklch(93.6% 0.013 281.6)
-
Step 200
200
#D5D7EB
oklch(88.4% 0.027 281.3)
-
Step 300
300
#BABEE0
oklch(80.9% 0.048 280)
-
Step 400
400 (this color)
#999DD3
oklch(71.3% 0.079 280.9)
-
Step 500
500
#7F82C5
oklch(63.1% 0.1 281.2)
-
Step 600
600
#686BB2
oklch(55.7% 0.109 280.4)
-
Step 700
700
#575999
oklch(49.2% 0.101 280.6)
-
Step 800
800
#47497C
oklch(42.8% 0.084 280.5)
-
Step 900
900
#3B3D64
oklch(37.7% 0.066 280.5)
-
Step 950
950
#23243A
oklch(27% 0.041 281.3)
#999DD3 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) | #8EA3D5 | 0.020 |
| Deuteranopia (no green cones) | #8B9FD2 | 0.019 |
| Tritanopia (no blue cones) | #8BA7B0 | 0.069 |
| Achromatopsia (no color) | #A1A1A1 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999DD3
#999DD3
oklch(71.3% 0.079 280.9)
- #ADA46A
#ADA46A
oklch(71.3% 0.078 100.5)
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 #999DD3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Purple #B790D4 ΔE 0.053
- Cool Gray #8D99AE ΔE 0.058
- Bluey Grey #89A0B0 ΔE 0.061
- Cool Steel #97A7B3 ΔE 0.062
- Perrywinkle #8F8CE7 ΔE 0.063
- Bluegrey #85A3B2 ΔE 0.064
- Periwinkle Blue #8F99FB ΔE 0.064
- Greyblue #77A1B5 ΔE 0.068
Use #999DD3 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.