#8199EF
Closest named color: Periwinkle Blue (#8F99FB). oklch(70.1% 0.129 270.9), rgb(129, 153, 239).
Aa
Black text reads best on this color (7.73:1).
About this color
#8199EF is a medium-light, moderately saturated blue. In OKLCH its lightness is 70%, its chroma 0.129 and its hue 271°. Its hue sits on the cool side of the wheel. The nearest named color is Periwinkle Blue (#8F99FB), ΔE 0.026 away. Black text reads best on it, at 7.73:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Periwinkle Blue (#8F99FB) |
| Black text | 7.73:1 |
| White text | 2.71:1 |
Values
| HEX | #8199EF |
| RGB | rgb(129, 153, 239) |
| HSL | hsl(227, 77%, 72%) |
| OKLCH | oklch(70.1% 0.129 270.9) |
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 #8199EF | 2.71:1 | Fails | Lc -57.7 | Large or bold text, headings |
| Black text on #8199EF | 7.73:1 | AAA | Lc 51.5 | Large or bold text, headings |
| #8199EF text on white | 2.71:1 | Fails | Lc 52.5 | Large or bold text, headings |
| #8199EF text on black | 7.73:1 | AAA | Lc -49.4 | 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
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E4E9FA
oklch(93.5% 0.024 272.8)
-
Step 200
200
#CED8F8
oklch(88.5% 0.045 271.7)
-
Step 300
300
#ADBEF6
oklch(80.8% 0.082 271.4)
-
Step 400
400 (this color)
#8199EF
oklch(70.1% 0.129 270.9)
-
Step 500
500
#667FEC
oklch(63% 0.165 271.2)
-
Step 600
600
#4F66DB
oklch(55.7% 0.18 271)
-
Step 700
700
#4054BE
oklch(49.2% 0.167 270.9)
-
Step 800
800
#354599
oklch(42.6% 0.138 271.2)
-
Step 900
900
#2D3B7A
oklch(37.6% 0.108 271)
-
Step 950
950
#1A2347
oklch(26.9% 0.068 270.7)
#8199EF 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) | #79A2F2 | 0.024 |
| Deuteranopia (no green cones) | #6F99ED | 0.022 |
| Tritanopia (no blue cones) | #58ABB9 | 0.115 |
| Achromatopsia (no color) | #9D9D9D | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8199EF
#8199EF
oklch(70.1% 0.129 270.9)
- #BD9B2B
#BD9B2B
oklch(70.2% 0.13 91)
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 #8199EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Periwinkle Blue #8F99FB ΔE 0.026
- Perrywinkle #8F8CE7 ΔE 0.036
- Cornflower Blue #6495ED ΔE 0.037
- Lavender Blue #8B88F8 ΔE 0.048
- Soft Blue #6488EA ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.061
- Periwinkle #8E82FE ΔE 0.066
- Dark Sky Blue #448EE4 ΔE 0.075
Use #8199EF 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.