#583197
Closest named color: Rebecca Purple (#663399). oklch(42% 0.158 296.5), rgb(88, 49, 151).
Aa
White text reads best on this color (9.12:1).
About this color
#583197 is a dark, vivid purple. In OKLCH its lightness is 42%, its chroma 0.158 and its hue 296°. 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 9.12:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.30:1 |
| White text | 9.12:1 |
Values
| HEX | #583197 |
| RGB | rgb(88, 49, 151) |
| HSL | hsl(263, 51%, 39%) |
| OKLCH | oklch(42% 0.158 296.5) |
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 #583197 | 9.12:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #583197 | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #583197 text on white | 9.12:1 | AAA | Lc 90.5 | Preferred for body text |
| #583197 text on black | 2.30:1 | Fails | Lc -11.8 | 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
#EBE7FA
oklch(93.7% 0.026 295.5)
-
Step 200
200
#DCD3F8
oklch(88.6% 0.051 296.5)
-
Step 300
300
#C6B5F6
oklch(81% 0.092 296.3)
-
Step 400
400
#AA8BF1
oklch(70.7% 0.148 296.4)
-
Step 500
500
#976AEC
oklch(63.1% 0.189 296.6)
-
Step 600
600
#834DDA
oklch(55.6% 0.205 296.8)
-
Step 700
700
#6F3DBE
oklch(49.2% 0.191 296.5)
-
Step 800
800 (this color)
#583197
oklch(42% 0.158 296.5)
-
Step 900
900
#492E7A
oklch(37.6% 0.124 296.3)
-
Step 950
950
#2B1C47
oklch(27% 0.078 297)
#583197 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) | #00499A | 0.104 |
| Deuteranopia (no green cones) | #004795 | 0.104 |
| Tritanopia (no blue cones) | #484960 | 0.122 |
| Achromatopsia (no color) | #484848 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #583197
#583197
oklch(42% 0.158 296.5)
- #4A5300
#4A5300
oklch(42% 0.097 116.7)
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 #583197, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.028
- Dark Slate Blue #483D8B ΔE 0.043
- Blueberry #464196 ΔE 0.045
- Chrysanthemum #560BAD ΔE 0.060
- Imperial Purple #480CA8 ΔE 0.069
- Grape #7209B7 ΔE 0.079
- Blue With A Hint Of Purple #533CC6 ΔE 0.080
- Twilight #4E518B ΔE 0.084
Use #583197 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.