#583E7F
Closest named color: Dark Slate Blue (#483D8B). oklch(42.4% 0.107 300.4), rgb(88, 62, 127).
Aa
White text reads best on this color (8.71:1).
About this color
#583E7F is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.107 and its hue 300°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 8.71:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.41:1 |
| White text | 8.71:1 |
Values
| HEX | #583E7F |
| RGB | rgb(88, 62, 127) |
| HSL | hsl(264, 34%, 37%) |
| OKLCH | oklch(42.4% 0.107 300.4) |
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 #583E7F | 8.71:1 | AAA | Lc -94.2 | Preferred for body text |
| Black text on #583E7F | 2.41:1 | Fails | Lc 14.3 | Not readable |
| #583E7F text on white | 8.71:1 | AAA | Lc 89.7 | Fine for body text |
| #583E7F text on black | 2.41:1 | Fails | Lc -12.6 | Not readable |
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 800.
-
Step 50
50
#F6F4FA
oklch(97% 0.008 301.4)
-
Step 100
100
#EBE7F4
oklch(93.5% 0.018 300.1)
-
Step 200
200
#DCD4ED
oklch(88.4% 0.035 300.3)
-
Step 300
300
#C7B8E4
oklch(80.9% 0.063 300.6)
-
Step 400
400
#AA92D6
oklch(70.7% 0.1 300.1)
-
Step 500
500
#9676CB
oklch(63.1% 0.128 300.1)
-
Step 600
600
#815DB7
oklch(55.6% 0.139 300.4)
-
Step 700
700
#6D4C9E
oklch(49.1% 0.13 300.3)
-
Step 800
800 (this color)
#583E7F
oklch(42.4% 0.107 300.4)
-
Step 900
900
#493667
oklch(37.7% 0.084 300.3)
-
Step 950
950
#2B203C
oklch(27.1% 0.052 301.1)
#583E7F 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) | #294B81 | 0.073 |
| Deuteranopia (no green cones) | #2F4B7D | 0.068 |
| Tritanopia (no blue cones) | #504A58 | 0.083 |
| Achromatopsia (no color) | #4B4B4B | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583E7F
#583E7F
oklch(42.4% 0.107 300.4)
- #475600
#475600
oklch(42.5% 0.102 120.6)
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 #583E7F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.048
- Twilight #4E518B ΔE 0.052
- Rebecca Purple #663399 ΔE 0.056
- Dusk #4E5481 ΔE 0.061
- Dusty Grape #545775 ΔE 0.076
- Cobalt #1E488F ΔE 0.083
- Dusk Blue #26538D ΔE 0.083
Use #583E7F 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.