#8B99FB
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.4% 0.143 276), rgb(139, 153, 251).
Aa
Black text reads best on this color (8.04:1).
About this color
#8B99FB is a medium-light, vivid blue. In OKLCH its lightness is 71%, its chroma 0.143 and its hue 276°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.005 away. Black text reads best on it, at 8.04:1.
| Hue family | Blues |
| Lightness | medium-light (71%) |
| Chroma | vivid (0.143) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.04:1 |
| White text | 2.60:1 |
Values
| HEX | #8B99FB |
| RGB | rgb(139, 153, 251) |
| HSL | hsl(233, 93%, 76%) |
| OKLCH | oklch(71.4% 0.143 276) |
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 #8B99FB | 2.60:1 | Fails | Lc -56.0 | Large or bold text, headings |
| Black text on #8B99FB | 8.04:1 | AAA | Lc 53.2 | Large or bold text, headings |
| #8B99FB text on white | 2.60:1 | Fails | Lc 50.8 | Large or bold text, headings |
| #8B99FB text on black | 8.04:1 | 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
#F3F5FE
oklch(97.1% 0.012 276.1)
-
Step 100
100
#E5E9FC
oklch(93.7% 0.026 276.4)
-
Step 200
200
#D0D7FB
oklch(88.5% 0.05 276.6)
-
Step 300
300
#B0BCFB
oklch(80.9% 0.09 275.9)
-
Step 400
400 (this color)
#8B99FB
oklch(71.4% 0.143 276)
-
Step 500
500
#6E79F5
oklch(63% 0.183 276)
-
Step 600
600
#595FE4
oklch(55.7% 0.198 275.9)
-
Step 700
700
#4A4DC6
oklch(49.1% 0.184 276.2)
-
Step 800
800
#3C40A0
oklch(42.7% 0.153 276)
-
Step 900
900
#32387F
oklch(37.7% 0.118 275.5)
-
Step 950
950
#1D214B
oklch(27% 0.077 275.9)
#8B99FB 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) | #75A5FF | 0.037 |
| Deuteranopia (no green cones) | #6C9CF9 | 0.037 |
| Tritanopia (no blue cones) | #64ADBE | 0.127 |
| Achromatopsia (no color) | #A0A0A0 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8B99FB
#8B99FB
oklch(71.4% 0.143 276)
- #BDA112
#BDA112
oklch(71.3% 0.143 96.2)
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 #8B99FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.005
- Perrywinkle #8F8CE7 ΔE 0.039
- Lavender Blue #8B88F8 ΔE 0.042
- Cornflower Blue #6495ED ΔE 0.053
- Periwinkle #8E82FE ΔE 0.058
- Soft Blue #6488EA ΔE 0.072
- Chefchaouen Blue #4895EF ΔE 0.076
- Carolina Blue #8AB8FE ΔE 0.080
Use #8B99FB 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.