#583998
Closest named color: Rebecca Purple (#663399). oklch(43.3% 0.148 294.4), rgb(88, 57, 152).
Aa
White text reads best on this color (8.55:1).
About this color
#583998 is a dark, vivid purple. In OKLCH its lightness is 43%, its chroma 0.148 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.028 away. White text reads best on it, at 8.55:1.
| Hue family | Purples |
| Lightness | dark (43%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.45:1 |
| White text | 8.55:1 |
Values
| HEX | #583998 |
| RGB | rgb(88, 57, 152) |
| HSL | hsl(260, 45%, 41%) |
| OKLCH | oklch(43.3% 0.148 294.4) |
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 #583998 | 8.55:1 | AAA | Lc -93.6 | Preferred for body text |
| Black text on #583998 | 2.45:1 | Fails | Lc 15.0 | Not readable |
| #583998 text on white | 8.55:1 | AAA | Lc 89.0 | Fine for body text |
| #583998 text on black | 2.45:1 | Fails | Lc -13.2 | 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
#F6F4FD
oklch(97.1% 0.012 296.4)
-
Step 100
100
#EAE7F9
oklch(93.6% 0.024 293.6)
-
Step 200
200
#DAD4F7
oklch(88.6% 0.048 293.3)
-
Step 300
300
#C4B6F4
oklch(80.9% 0.088 294.7)
-
Step 400
400
#A68EEE
oklch(70.7% 0.139 294.1)
-
Step 500
500
#926EE8
oklch(63% 0.178 294.3)
-
Step 600
600
#7E53D6
oklch(55.7% 0.192 294.4)
-
Step 700
700
#6A42BA
oklch(49.1% 0.18 294.1)
-
Step 800
800 (this color)
#583998
oklch(43.3% 0.148 294.4)
-
Step 900
900
#473178
oklch(37.7% 0.116 294.4)
-
Step 950
950
#291D46
oklch(26.9% 0.074 294.4)
#583998 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) | #004D9B | 0.097 |
| Deuteranopia (no green cones) | #004B96 | 0.098 |
| Tritanopia (no blue cones) | #474E63 | 0.117 |
| Achromatopsia (no color) | #4C4C4C | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583998
#583998
oklch(43.3% 0.148 294.4)
- #505600
#505600
oklch(43.3% 0.098 114.4)
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 #583998, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Blueberry #464196 ΔE 0.034
- Dark Slate Blue #483D8B ΔE 0.036
- Twilight #4E518B ΔE 0.068
- Chrysanthemum #560BAD ΔE 0.073
- Blue With A Hint Of Purple #533CC6 ΔE 0.075
- Bluey Purple #6241C7 ΔE 0.079
- Imperial Purple #480CA8 ΔE 0.082
Use #583998 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.