#8B99EB
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.5% 0.121 275.5), rgb(139, 153, 235).
Aa
Black text reads best on this color (7.85:1).
About this color
#8B99EB is a medium-light, moderately saturated blue. In OKLCH its lightness is 71%, its chroma 0.121 and its hue 275°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.025 away. Black text reads best on it, at 7.85:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.85:1 |
| White text | 2.67:1 |
Values
| HEX | #8B99EB |
| RGB | rgb(139, 153, 235) |
| HSL | hsl(231, 71%, 73%) |
| OKLCH | oklch(70.5% 0.121 275.5) |
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 #8B99EB | 2.67:1 | Fails | Lc -57.1 | Large or bold text, headings |
| Black text on #8B99EB | 7.85:1 | AAA | Lc 52.1 | Large or bold text, headings |
| #8B99EB text on white | 2.67:1 | Fails | Lc 51.9 | Large or bold text, headings |
| #8B99EB text on black | 7.85:1 | AAA | Lc -50.0 | 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
#F3F5FC
oklch(97.1% 0.01 273.4)
-
Step 100
100
#E5E9F9
oklch(93.6% 0.022 274.7)
-
Step 200
200
#D1D8F6
oklch(88.6% 0.042 275.1)
-
Step 300
300
#B2BDF2
oklch(80.8% 0.076 275.5)
-
Step 400
400 (this color)
#8B99EB
oklch(70.5% 0.121 275.5)
-
Step 500
500
#717EE5
oklch(63.1% 0.154 275.7)
-
Step 600
600
#5A65D3
oklch(55.6% 0.167 275.3)
-
Step 700
700
#4B53B7
oklch(49.1% 0.156 275.6)
-
Step 800
800
#3D4494
oklch(42.6% 0.13 275.7)
-
Step 900
900
#343A76
oklch(37.6% 0.101 276.1)
-
Step 950
950
#1E2345
oklch(27.1% 0.063 275.1)
#8B99EB 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) | #7DA2EE | 0.027 |
| Deuteranopia (no green cones) | #769BE9 | 0.026 |
| Tritanopia (no blue cones) | #6CA9B7 | 0.107 |
| Achromatopsia (no color) | #9E9E9E | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B99EB
#8B99EB
oklch(70.5% 0.121 275.5)
- #B79F3B
#B79F3B
oklch(70.5% 0.121 95.5)
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 #8B99EB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.025
- Perrywinkle #8F8CE7 ΔE 0.033
- Cornflower Blue #6495ED ΔE 0.049
- Lavender Blue #8B88F8 ΔE 0.051
- Periwinkle #8E82FE ΔE 0.069
- Pale Purple #B790D4 ΔE 0.069
- Soft Blue #6488EA ΔE 0.070
- Chefchaouen Blue #4895EF ΔE 0.074
Use #8B99EB 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.