#999BEA
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.9% 0.114 282), rgb(153, 155, 234).
Aa
Black text reads best on this color (8.23:1).
About this color
#999BEA is a medium-light, moderately saturated purple. In OKLCH its lightness is 72%, its chroma 0.114 and its hue 282°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.030 away. Black text reads best on it, at 8.23:1.
| Hue family | Purples |
| Lightness | medium-light (72%) |
| Chroma | moderately saturated (0.114) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.23:1 |
| White text | 2.55:1 |
Values
| HEX | #999BEA |
| RGB | rgb(153, 155, 234) |
| HSL | hsl(239, 66%, 76%) |
| OKLCH | oklch(71.9% 0.114 282) |
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 #999BEA | 2.55:1 | Fails | Lc -55.0 | Large or bold text, headings |
| Black text on #999BEA | 8.23:1 | AAA | Lc 54.1 | Large or bold text, headings |
| #999BEA text on white | 2.55:1 | Fails | Lc 49.9 | Large or bold text, headings |
| #999BEA text on black | 8.23:1 | AAA | Lc -52.0 | 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
#E7E9F8
oklch(93.7% 0.02 279.9)
-
Step 200
200
#D4D7F3
oklch(88.6% 0.039 280.7)
-
Step 300
300
#B9BCEE
oklch(81% 0.07 282)
-
Step 400
400 (this color)
#999BEA
oklch(71.9% 0.114 282)
-
Step 500
500
#7D7CDE
oklch(63.2% 0.145 281.9)
-
Step 600
600
#6762CC
oklch(55.5% 0.159 282)
-
Step 700
700
#5651B1
oklch(49.1% 0.148 281.8)
-
Step 800
800
#46438F
oklch(42.7% 0.122 281.7)
-
Step 900
900
#3B3972
oklch(37.7% 0.095 282.4)
-
Step 950
950
#222243
oklch(27% 0.06 281.6)
#999BEA 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) | #82A5ED | 0.036 |
| Deuteranopia (no green cones) | #7F9FE8 | 0.034 |
| Tritanopia (no blue cones) | #83AAB8 | 0.100 |
| Achromatopsia (no color) | #A2A2A2 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #999BEA
#999BEA
oklch(71.9% 0.114 282)
- #B3A74B
#B3A74B
oklch(72% 0.114 101.9)
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 #999BEA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.030
- Perrywinkle #8F8CE7 ΔE 0.042
- Pale Purple #B790D4 ΔE 0.054
- Lavender Blue #8B88F8 ΔE 0.062
- Cornflower Blue #6495ED ΔE 0.069
- Carolina Blue #8AB8FE ΔE 0.074
- Baby Purple #CA9BF7 ΔE 0.075
- Liliac #C48EFD ΔE 0.077
Use #999BEA 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.