#8588BC
Closest named color: Silver Lake Blue (#778DA9). oklch(64.4% 0.078 281.4), rgb(133, 136, 188).
Aa
Black text reads best on this color (6.24:1).
About this color
#8588BC is a medium-light, moderately saturated purple. In OKLCH its lightness is 64%, its chroma 0.078 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Silver Lake Blue (#778DA9), ΔE 0.041 away. Black text reads best on it, at 6.24:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Silver Lake Blue (#778DA9) |
| Black text | 6.24:1 |
| White text | 3.36:1 |
Values
| HEX | #8588BC |
| RGB | rgb(133, 136, 188) |
| HSL | hsl(237, 29%, 63%) |
| OKLCH | oklch(64.4% 0.078 281.4) |
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 #8588BC | 3.36:1 | AA large text | Lc -66.5 | Content text, not long reading |
| Black text on #8588BC | 6.24:1 | AA | Lc 43.0 | Non-text elements, placeholder text |
| #8588BC text on white | 3.36:1 | AA large text | Lc 61.1 | Content text, not long reading |
| #8588BC text on black | 6.24:1 | AA | Lc -40.6 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F5F5F9
oklch(97.1% 0.005 286.3)
-
Step 100
100
#E8E9F1
oklch(93.6% 0.011 280.5)
-
Step 200
200
#D6D8E7
oklch(88.5% 0.021 279.9)
-
Step 300
300
#BCBED9
oklch(80.9% 0.038 282.2)
-
Step 400
400
#9A9DC6
oklch(70.8% 0.06 281.5)
-
Step 500
500 (this color)
#8588BC
oklch(64.4% 0.078 281.4)
-
Step 600
600
#6B6DA4
oklch(55.6% 0.085 281.7)
-
Step 700
700
#595B8C
oklch(49.1% 0.078 281.3)
-
Step 800
800
#494B72
oklch(42.8% 0.064 281.1)
-
Step 900
900
#3D3E5C
oklch(37.6% 0.051 282.2)
-
Step 950
950
#242536
oklch(27.1% 0.031 281.5)
#8588BC 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) | #798EBE | 0.021 |
| Deuteranopia (no green cones) | #778ABB | 0.019 |
| Tritanopia (no blue cones) | #77919A | 0.068 |
| Achromatopsia (no color) | #8C8C8C | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #8588BC
#8588BC
oklch(64.4% 0.078 281.4)
- #978F56
#978F56
oklch(64.4% 0.078 101.3)
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 #8588BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Silver Lake Blue #778DA9 ΔE 0.041
- Faded Blue #658CBB ΔE 0.042
- Heather #A484AC ΔE 0.050
- Blue Grey #758DA3 ΔE 0.050
- Lavender Gray #7E7F9A ΔE 0.054
- Light Slate Gray #778899 ΔE 0.059
- Cool Gray #8D99AE ΔE 0.059
- Wisteria #A87DC2 ΔE 0.060
Use #8588BC 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.