#8599DB
Closest named color: Perrywinkle (#8F8CE7). oklch(69.3% 0.1 270.7), rgb(133, 153, 219).
Aa
Black text reads best on this color (7.57:1).
About this color
#8599DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.100 and its hue 271°. 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 7.57:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.100) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.57:1 |
| White text | 2.77:1 |
Values
| HEX | #8599DB |
| RGB | rgb(133, 153, 219) |
| HSL | hsl(226, 54%, 69%) |
| OKLCH | oklch(69.3% 0.1 270.7) |
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 #8599DB | 2.77:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #8599DB | 7.57:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #8599DB text on white | 2.77:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #8599DB text on black | 7.57:1 | AAA | Lc -48.4 | 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
#F3F5FB
oklch(97% 0.008 271.3)
-
Step 100
100
#E5EAF6
oklch(93.7% 0.017 267.8)
-
Step 200
200
#D0D9F1
oklch(88.6% 0.034 269.3)
-
Step 300
300
#B1BFEA
oklch(80.8% 0.063 270.8)
-
Step 400
400 (this color)
#8599DB
oklch(69.3% 0.1 270.7)
-
Step 500
500
#6D84D7
oklch(63.2% 0.128 270.7)
-
Step 600
600
#556CC4
oklch(55.6% 0.139 270.4)
-
Step 700
700
#4659A9
oklch(49% 0.129 270.9)
-
Step 800
800
#394989
oklch(42.6% 0.108 270.7)
-
Step 900
900
#313E6E
oklch(37.7% 0.084 270.5)
-
Step 950
950
#1D2540
oklch(27.1% 0.052 270.2)
#8599DB 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) | #839FDE | 0.016 |
| Deuteranopia (no green cones) | #7B98D9 | 0.014 |
| Tritanopia (no blue cones) | #6AA6B0 | 0.090 |
| Achromatopsia (no color) | #9B9B9B | 0.100 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8599DB
#8599DB
oklch(69.3% 0.1 270.7)
- #B49A4E
#B49A4E
oklch(69.4% 0.101 90.8)
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 #8599DB, 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 0.049
- Periwinkle Blue #8F99FB ΔE 0.050
- Cool Gray #8D99AE ΔE 0.068
- Lavender Blue #8B88F8 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.070
- Faded Blue #658CBB ΔE 0.071
- Soft Blue #6488EA ΔE 0.071
Use #8599DB 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.