#585ACF
Closest named color: Iris (#6258C4). oklch(53.1% 0.177 277.8), rgb(88, 90, 207).
Aa
White text reads best on this color (5.55:1).
About this color
#585ACF is a medium-dark, vivid blue. In OKLCH its lightness is 53%, its chroma 0.177 and its hue 278°. Its hue sits on the cool side of the wheel. The nearest named color is Iris (#6258C4), ΔE 0.022 away. White text reads best on it, at 5.55:1.
| Hue family | Blues |
| Lightness | medium-dark (53%) |
| Chroma | vivid (0.177) |
| Temperature | cool |
| Nearest name | Iris (#6258C4) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #585ACF |
| RGB | rgb(88, 90, 207) |
| HSL | hsl(239, 55%, 58%) |
| OKLCH | oklch(53.1% 0.177 277.8) |
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 #585ACF | 5.55:1 | AA | Lc -82.7 | Fine for body text |
| Black text on #585ACF | 3.77:1 | AA large text | Lc 26.7 | Dividers and decoration only |
| #585ACF text on white | 5.55:1 | AA | Lc 77.4 | Fine for body text |
| #585ACF text on black | 3.77:1 | AA large text | Lc -24.4 | 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 600.
-
Step 50
50
#F3F5FD
oklch(97.1% 0.011 274.9)
-
Step 100
100
#E6E9FA
oklch(93.7% 0.023 277.9)
-
Step 200
200
#D2D7F7
oklch(88.5% 0.044 278.4)
-
Step 300
300
#B4BCF4
oklch(80.9% 0.08 278.1)
-
Step 400
400
#8E98EF
oklch(70.8% 0.127 277.6)
-
Step 500
500
#747BE9
oklch(63% 0.163 277.9)
-
Step 600
600 (this color)
#585ACF
oklch(53.1% 0.177 277.8)
-
Step 700
700
#4E50BB
oklch(49.1% 0.165 277.6)
-
Step 800
800
#404297
oklch(42.6% 0.136 277.9)
-
Step 900
900
#363978
oklch(37.7% 0.105 278)
-
Step 950
950
#1F2246
oklch(27% 0.066 277.4)
#585ACF 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) | #006DD3 | 0.071 |
| Deuteranopia (no green cones) | #0063CD | 0.067 |
| Tritanopia (no blue cones) | #0A768C | 0.154 |
| Achromatopsia (no color) | #686868 | 0.177 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #585ACF
#585ACF
oklch(53.1% 0.177 277.8)
- #7D6C00
#7D6C00
oklch(53.1% 0.11 98.3)
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 #585ACF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Iris #6258C4 ΔE 0.022
- Dark Periwinkle #665FD1 ΔE 0.025
- Slate Blue #6A5ACD ΔE 0.027
- Warm Blue #4B57DB ΔE 0.027
- Light Indigo #6D5ACF ΔE 0.032
- Royal Blue #4169E1 ΔE 0.048
- Neon Blue #4361EE ΔE 0.054
- Bluey Purple #6241C7 ΔE 0.055
Use #585ACF 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.