#8399DC
Closest named color: Perrywinkle (#8F8CE7). oklch(69.3% 0.102 269.7), rgb(131, 153, 220).
Aa
Black text reads best on this color (7.55:1).
About this color
#8399DC is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.102 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.043 away. Black text reads best on it, at 7.55:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.55:1 |
| White text | 2.77:1 |
Values
| HEX | #8399DC |
| RGB | rgb(131, 153, 220) |
| HSL | hsl(225, 56%, 69%) |
| OKLCH | oklch(69.3% 0.102 269.7) |
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 #8399DC | 2.77:1 | Fails | Lc -58.8 | Large or bold text, headings |
| Black text on #8399DC | 7.55:1 | AAA | Lc 50.5 | Large or bold text, headings |
| #8399DC text on white | 2.77:1 | Fails | Lc 53.5 | Large or bold text, headings |
| #8399DC text on black | 7.55:1 | AAA | Lc -48.3 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B0BFEB
oklch(80.8% 0.065 270.2)
-
Step 400
400 (this color)
#8399DC
oklch(69.3% 0.102 269.7)
-
Step 500
500
#6A84D8
oklch(63.1% 0.13 269.4)
-
Step 600
600
#536CC6
oklch(55.7% 0.142 269.6)
-
Step 700
700
#445AAB
oklch(49.2% 0.132 269.6)
-
Step 800
800
#384A8A
oklch(42.8% 0.108 269.6)
-
Step 900
900
#303E6F
oklch(37.7% 0.086 269.9)
-
Step 950
950
#1C2541
oklch(27.1% 0.054 269.1)
#8399DC 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) | #829FDF | 0.016 |
| Deuteranopia (no green cones) | #7A98DA | 0.012 |
| Tritanopia (no blue cones) | #66A7B1 | 0.092 |
| Achromatopsia (no color) | #9B9B9B | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8399DC
#8399DC
oklch(69.3% 0.102 269.7)
- #B5994C
#B5994C
oklch(69.2% 0.102 89.6)
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 #8399DC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.043
- Cornflower Blue #6495ED ΔE 0.047
- Periwinkle Blue #8F99FB ΔE 0.050
- Lavender Blue #8B88F8 ΔE 0.067
- Soft Blue #6488EA ΔE 0.069
- Chefchaouen Blue #4895EF ΔE 0.069
- Cool Gray #8D99AE ΔE 0.070
- Faded Blue #658CBB ΔE 0.070
Use #8399DC 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.