#8F99FF
Closest named color: Periwinkle Blue (#8F99FB). oklch(71.9% 0.148 277.7), rgb(143, 153, 255).
Aa
Black text reads best on this color (8.16:1).
About this color
#8F99FF is a medium-light, vivid blue. In OKLCH its lightness is 72%, its chroma 0.148 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.006 away. Black text reads best on it, at 8.16:1.
| Hue family | Blues |
| Lightness | medium-light (72%) |
| Chroma | vivid (0.148) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 8.16:1 |
| White text | 2.57:1 |
Values
| HEX | #8F99FF |
| RGB | rgb(143, 153, 255) |
| HSL | hsl(235, 100%, 78%) |
| OKLCH | oklch(71.9% 0.148 277.7) |
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 #8F99FF | 2.57:1 | Fails | Lc -55.3 | Large or bold text, headings |
| Black text on #8F99FF | 8.16:1 | AAA | Lc 53.8 | Large or bold text, headings |
| #8F99FF text on white | 2.57:1 | Fails | Lc 50.2 | Large or bold text, headings |
| #8F99FF text on black | 8.16:1 | AAA | Lc -51.8 | 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
#D0D7FC
oklch(88.6% 0.052 276.9)
-
Step 300
300
#B2BBFC
oklch(80.8% 0.092 278)
-
Step 400
400 (this color)
#8F99FF
oklch(71.9% 0.148 277.7)
-
Step 500
500
#7277F8
oklch(63.1% 0.189 277.8)
-
Step 600
600
#5D5CE7
oklch(55.7% 0.205 277.7)
-
Step 700
700
#4D4AC9
oklch(49.1% 0.191 277.7)
-
Step 800
800
#3F3EA3
oklch(42.8% 0.159 277.8)
-
Step 900
900
#343681
oklch(37.6% 0.124 277.5)
-
Step 950
950
#1E204B
oklch(26.8% 0.078 277.7)
#8F99FF 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) | #73A6FF | 0.044 |
| Deuteranopia (no green cones) | #6B9DFD | 0.043 |
| Tritanopia (no blue cones) | #69AEC0 | 0.130 |
| Achromatopsia (no color) | #A1A1A1 | 0.148 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8F99FF
#8F99FF
oklch(71.9% 0.148 277.7)
- #BDA403
#BDA403
oklch(71.9% 0.148 98.2)
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 #8F99FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.006
- Lavender Blue #8B88F8 ΔE 0.043
- Perrywinkle #8F8CE7 ΔE 0.043
- Periwinkle #8E82FE ΔE 0.057
- Cornflower Blue #6495ED ΔE 0.061
- Soft Blue #6488EA ΔE 0.078
- Liliac #C48EFD ΔE 0.079
- Carolina Blue #8AB8FE ΔE 0.081
Use #8F99FF 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.