#583D76
Closest named color: Dark Slate Blue (#483D8B). oklch(41.6% 0.096 304.4), rgb(88, 61, 118).
Aa
White text reads best on this color (8.95:1).
About this color
#583D76 is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.096 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.045 away. White text reads best on it, at 8.95:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.096) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #583D76 |
| RGB | rgb(88, 61, 118) |
| HSL | hsl(268, 32%, 35%) |
| OKLCH | oklch(41.6% 0.096 304.4) |
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 #583D76 | 8.95:1 | AAA | Lc -94.8 | Preferred for body text |
| Black text on #583D76 | 2.34:1 | Fails | Lc 13.6 | Not readable |
| #583D76 text on white | 8.95:1 | AAA | Lc 90.4 | Preferred for body text |
| #583D76 text on black | 2.34:1 | Fails | Lc -11.9 | 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
#ECE7F3
oklch(93.5% 0.017 304.8)
-
Step 200
200
#DDD4EA
oklch(88.4% 0.031 304.2)
-
Step 300
300
#C8B8DF
oklch(80.9% 0.057 303.8)
-
Step 400
400
#AD93CE
oklch(70.8% 0.089 304.4)
-
Step 500
500
#9977C2
oklch(63.2% 0.115 304.2)
-
Step 600
600
#845EAE
oklch(55.5% 0.126 304.5)
-
Step 700
700
#704E95
oklch(49.2% 0.115 304.6)
-
Step 800
800 (this color)
#583D76
oklch(41.6% 0.096 304.4)
-
Step 900
900
#4B3762
oklch(37.9% 0.075 304.5)
-
Step 950
950
#2C2039
oklch(27% 0.048 305.5)
#583D76 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) | #2E4978 | 0.069 |
| Deuteranopia (no green cones) | #344975 | 0.063 |
| Tritanopia (no blue cones) | #534754 | 0.072 |
| Achromatopsia (no color) | #494949 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583D76
#583D76
oklch(41.6% 0.096 304.4)
- #41540D
#41540D
oklch(41.5% 0.095 124.1)
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 #583D76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Twilight #4E518B ΔE 0.059
- Blueberry #464196 ΔE 0.061
- Dusk #4E5481 ΔE 0.063
- Rebecca Purple #663399 ΔE 0.068
- Dusty Grape #545775 ΔE 0.075
- YInMn Blue #415A77 ΔE 0.087
- Dusk Blue #26538D ΔE 0.088
Use #583D76 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.