#999CE7
Closest named color: Periwinkle Blue (#8F99FB). oklch(72% 0.109 281.5), rgb(153, 156, 231).
Aa
Black text reads best on this color (8.26:1).
About this color
#999CE7 is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.109 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.035 away. Black text reads best on it, at 8.26:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.109) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.26:1 |
| White text | 2.54:1 |
Values
| HEX | #999CE7 |
| RGB | rgb(153, 156, 231) |
| HSL | hsl(238, 62%, 75%) |
| OKLCH | oklch(72% 0.109 281.5) |
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 #999CE7 | 2.54:1 | Fails | Lc -54.8 | Large or bold text, headings |
| Black text on #999CE7 | 8.26:1 | AAA | Lc 54.3 | Large or bold text, headings |
| #999CE7 text on white | 2.54:1 | Fails | Lc 49.7 | Large or bold text, headings |
| #999CE7 text on black | 8.26:1 | AAA | Lc -52.2 | 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
#E7E9F7
oklch(93.7% 0.019 279.5)
-
Step 200
200
#D4D7F2
oklch(88.5% 0.037 280.6)
-
Step 300
300
#B9BCEC
oklch(80.9% 0.068 282)
-
Step 400
400 (this color)
#999CE7
oklch(72% 0.109 281.5)
-
Step 500
500
#7D7DDB
oklch(63.2% 0.139 281.7)
-
Step 600
600
#6764C8
oklch(55.6% 0.151 281.7)
-
Step 700
700
#5652AD
oklch(49% 0.141 281.8)
-
Step 800
800
#46448C
oklch(42.7% 0.116 281.5)
-
Step 900
900
#3A3A70
oklch(37.7% 0.091 281.1)
-
Step 950
950
#222242
oklch(27% 0.059 281.7)
#999CE7 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) | #85A5EA | 0.032 |
| Deuteranopia (no green cones) | #81A0E5 | 0.032 |
| Tritanopia (no blue cones) | #84AAB7 | 0.095 |
| Achromatopsia (no color) | #A2A2A2 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999CE7
#999CE7
oklch(72% 0.109 281.5)
- #B3A751
#B3A751
oklch(72.1% 0.109 101.5)
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 #999CE7, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.035
- Perrywinkle #8F8CE7 ΔE 0.046
- Pale Purple #B790D4 ΔE 0.053
- Lavender Blue #8B88F8 ΔE 0.067
- Cornflower Blue #6495ED ΔE 0.071
- Carolina Blue #8AB8FE ΔE 0.073
- Baby Purple #CA9BF7 ΔE 0.077
- Liliac #C48EFD ΔE 0.080
Use #999CE7 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.