#8599D3
Closest named color: Perrywinkle (#8F8CE7). oklch(69% 0.089 269.4), rgb(133, 153, 211).
Aa
Black text reads best on this color (7.49:1).
About this color
#8599D3 is a medium-light, moderately saturated blue. In OKLCH its lightness is 69%, its chroma 0.089 and its hue 269°. Its hue sits on the cool side of the wheel. The nearest named color is Perrywinkle (#8F8CE7), ΔE 0.052 away. Black text reads best on it, at 7.49:1.
| Hue family | Blues |
| Lightness | medium-light (69%) |
| Chroma | moderately saturated (0.089) |
| Temperature | cool |
| Nearest name | Perrywinkle (#8F8CE7) |
| Black text | 7.49:1 |
| White text | 2.80:1 |
Values
| HEX | #8599D3 |
| RGB | rgb(133, 153, 211) |
| HSL | hsl(225, 47%, 67%) |
| OKLCH | oklch(69% 0.089 269.4) |
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 #8599D3 | 2.80:1 | Fails | Lc -59.1 | Large or bold text, headings |
| Black text on #8599D3 | 7.49:1 | AAA | Lc 50.2 | Large or bold text, headings |
| #8599D3 text on white | 2.80:1 | Fails | Lc 53.9 | Large or bold text, headings |
| #8599D3 text on black | 7.49:1 | AAA | Lc -48.0 | 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
#E5EAF5
oklch(93.6% 0.016 266.3)
-
Step 200
200
#D1D9EE
oklch(88.6% 0.03 269.1)
-
Step 300
300
#B2C0E5
oklch(80.9% 0.055 268.9)
-
Step 400
400 (this color)
#8599D3
oklch(69% 0.089 269.4)
-
Step 500
500
#6E85CE
oklch(63% 0.114 269.7)
-
Step 600
600
#566EBB
oklch(55.6% 0.123 269.1)
-
Step 700
700
#475CA1
oklch(49.2% 0.113 269.2)
-
Step 800
800
#3A4B83
oklch(42.7% 0.095 269.3)
-
Step 900
900
#323F69
oklch(37.7% 0.074 269.6)
-
Step 950
950
#1D253D
oklch(26.9% 0.046 269.1)
#8599D3 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) | #869ED6 | 0.013 |
| Deuteranopia (no green cones) | #7F97D2 | 0.010 |
| Tritanopia (no blue cones) | #6DA5AD | 0.081 |
| Achromatopsia (no color) | #9A9A9A | 0.089 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8599D3
#8599D3
oklch(69% 0.089 269.4)
- #B19958
#B19958
oklch(69% 0.089 89.7)
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 #8599D3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Perrywinkle #8F8CE7 ΔE 0.052
- Cool Gray #8D99AE ΔE 0.056
- Cornflower Blue #6495ED ΔE 0.057
- Greyblue #77A1B5 ΔE 0.059
- Bluey Grey #89A0B0 ΔE 0.062
- Periwinkle Blue #8F99FB ΔE 0.062
- Bluegrey #85A3B2 ΔE 0.064
- Faded Blue #658CBB ΔE 0.064
Use #8599D3 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.