#585C81
Closest named color: Dusty Grape (#545775). oklch(48.6% 0.06 279.2), rgb(88, 92, 129).
Aa
White text reads best on this color (6.43:1).
About this color
#585C81 is a medium-dark, muted blue. In OKLCH its lightness is 49%, its chroma 0.060 and its hue 279°. Its hue sits on the cool side of the wheel. The nearest named color is Dusty Grape (#545775), ΔE 0.023 away. White text reads best on it, at 6.43:1.
| Hue family | Blues |
| Lightness | medium-dark (49%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Dusty Grape (#545775) |
| Black text | 3.26:1 |
| White text | 6.43:1 |
Values
| HEX | #585C81 |
| RGB | rgb(88, 92, 129) |
| HSL | hsl(234, 19%, 43%) |
| OKLCH | oklch(48.6% 0.06 279.2) |
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 #585C81 | 6.43:1 | AA | Lc -87.0 | Fine for body text |
| Black text on #585C81 | 3.26:1 | AA large text | Lc 22.1 | Dividers and decoration only |
| #585C81 text on white | 6.43:1 | AA | Lc 81.9 | Fine for body text |
| #585C81 text on black | 3.26:1 | AA large text | Lc -19.9 | Dividers and decoration only |
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 700.
-
Step 50
50
#F5F5F8
oklch(97.1% 0.004 286.3)
-
Step 100
100
#E8E9EF
oklch(93.5% 0.008 278.6)
-
Step 200
200
#D6D8E4
oklch(88.4% 0.017 278.5)
-
Step 300
300
#BCBFD4
oklch(80.9% 0.03 279.3)
-
Step 400
400
#9A9EBE
oklch(70.7% 0.047 279.5)
-
Step 500
500
#8186AD
oklch(63% 0.059 278.9)
-
Step 600
600
#6B7099
oklch(55.7% 0.064 278.7)
-
Step 700
700 (this color)
#585C81
oklch(48.6% 0.06 279.2)
-
Step 800
800
#494C6A
oklch(42.6% 0.05 279.6)
-
Step 900
900
#3D4056
oklch(37.8% 0.038 278.4)
-
Step 950
950
#242532
oklch(26.9% 0.024 281.2)
#585C81 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) | #516083 | 0.014 |
| Deuteranopia (no green cones) | #4F5D80 | 0.013 |
| Tritanopia (no blue cones) | #4D6369 | 0.053 |
| Achromatopsia (no color) | #5E5E5E | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #585C81
#585C81
oklch(48.6% 0.06 279.2)
- #686037
#686037
oklch(48.6% 0.06 98.5)
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 #585C81, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusty Grape #545775 ΔE 0.023
- Dusk #4E5481 ΔE 0.030
- Dusky Blue #475F94 ΔE 0.036
- YInMn Blue #415A77 ΔE 0.038
- Denim #3B638C ΔE 0.040
- Slate #516572 ΔE 0.043
- Twilight #4E518B ΔE 0.043
- Denim Blue #3B5B92 ΔE 0.047
Use #585C81 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.