#8399DF
Closest named color: Perrywinkle (#8F8CE7). oklch(69.4% 0.106 270.1), rgb(131, 153, 223).
Aa
Black text reads best on this color (7.58:1).
About this color
#8399DF is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.106 and its hue 270°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.041 away. Black text reads best on it, at 7.58:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.106) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.58:1 |
| White text | 2.76:1 |
Values
| HEX | #8399DF |
| RGB | rgb(131, 153, 223) |
| HSL | hsl(226, 59%, 69%) |
| OKLCH | oklch(69.4% 0.106 270.1) |
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 #8399DF | 2.76:1 | Fails | Lc -58.6 | Large or bold text, headings |
| Black text on #8399DF | 7.58:1 | AAA | Lc 50.7 | Large or bold text, headings |
| #8399DF text on white | 2.76:1 | Fails | Lc 53.3 | Large or bold text, headings |
| #8399DF text on black | 7.58:1 | AAA | Lc -48.5 | 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
#E5EAF7
oklch(93.7% 0.018 269.1)
-
Step 200
200
#CFD9F2
oklch(88.5% 0.036 268.3)
-
Step 300
300
#B0BFED
oklch(80.9% 0.067 270.7)
-
Step 400
400 (this color)
#8399DF
oklch(69.4% 0.106 270.1)
-
Step 500
500
#6A83DB
oklch(63.1% 0.136 270.2)
-
Step 600
600
#536BC9
oklch(55.6% 0.148 270.2)
-
Step 700
700
#4359AE
oklch(49.2% 0.137 269.8)
-
Step 800
800
#37498D
oklch(42.7% 0.114 269.9)
-
Step 900
900
#303E70
oklch(37.8% 0.087 270)
-
Step 950
950
#1C2442
oklch(26.9% 0.057 270.9)
#8399DF 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) | #81A0E2 | 0.018 |
| Deuteranopia (no green cones) | #7898DD | 0.015 |
| Tritanopia (no blue cones) | #64A7B2 | 0.095 |
| Achromatopsia (no color) | #9B9B9B | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8399DF
#8399DF
oklch(69.4% 0.106 270.1)
- #B69A48
#B69A48
oklch(69.5% 0.107 90.6)
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 #8399DF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.041
- Cornflower Blue #6495ED ΔE 0.044
- Periwinkle Blue #8F99FB ΔE 0.045
- Lavender Blue #8B88F8 ΔE 0.064
- Soft Blue #6488EA ΔE 0.067
- Chefchaouen Blue #4895EF ΔE 0.067
- Faded Blue #658CBB ΔE 0.073
- Cool Gray #8D99AE ΔE 0.074
Use #8399DF 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.